Title:
Vapor control facing for wall finishing system
Kind Code:
A1


Abstract:
A finishing system insulation panel includes a primary insulation board, a covering suitable to provide an aesthetically pleasing surface and a film bonding the covering to the primary insulation board. The film is configured to substantially retard the flow of air, moisture, and gases.



Inventors:
Weir, Charles R. (Westerville, OH, US)
Beason, John (Crouse, NC, US)
Application Number:
11/648077
Publication Date:
08/30/2007
Filing Date:
12/30/2006
Primary Class:
International Classes:
E04B2/00; E04B1/76; E04B5/00; E04B9/00
View Patent Images:



Primary Examiner:
A, PHI DIEU TRAN
Attorney, Agent or Firm:
MacMillan, Sobanski & Todd, LLC - OWENS CORNING (Toledo, OH, US)
Claims:
What is claimed is:

1. A finishing system insulation panel, the finishing system insulation panel comprising: a primary insulation board; a covering suitable to provide an aesthetically pleasing surface; and a film bonding the covering to the primary insulation board, wherein the film is configured to substantially retard the flow of air, moisture, and gases.

2. The finishing system insulation panel of claim 1, wherein the film is bonded to the covering by softening the film and contacting the covering with the softened film.

3. The finishing system insulation panel of claim 1, wherein the film is configured to variably retard the flow of air, moisture, and gases.

4. The finishing system insulation panel of claim 4, wherein the film has a variable permeability rating of between 0 to 35 grams per hour per square foot.

5. The finishing system insulation panel of claim 1, wherein the film is one of the group consisting of polyurethane, nylon, ethylene vinyl acetate, and polyethylene.

6. The finishing system insulation panel of claim 1, where the film has a softening point at a temperature of about 220° F.

7. The finishing system insulation panel of claim 1, wherein the film is bonded to the primary insulation board and to the covering by softening the film and contacting the covering and the primary insulation board with the softened film.

8. An insulation finishing system comprising: a plurality of lineals fixed to a building structure, the lineals including a lineal partition which protrudes from the building structure, wherein the lineal partitions define primary insulation cavities; a plurality of finishing system insulation panels, the finishing system insulation panels including a covering bonded to a primary insulation board by a film, wherein the film is configured to substantially retard the flow of air, moisture, and gases; and a plurality of trim pieces connected to the lineals, the trim pieces fixing the finishing system insulation panels in the primary insulation cavities.

9. The insulation finishing system of claim 8, wherein the finishing system insulation panels within the primary insulation cavities are provided with an interference fit with the lineal partitions.

10. The insulation finishing system of claim 8, wherein the film is configured to variably retard the flow of air, moisture, and gases.

11. A method of manufacturing a finishing system insulation panel, the method including the steps of: providing a covering; softening a film, wherein the film is configured to substantially retard the flow of air, moisture, and gases; bonding the softened film to the covering; applying the softened film and covering to a primary insulation board to form a finishing system insulation panel.

12. The method of claim 11, wherein the softened film, covering, and primary insulation board are rolled together to form the finishing system insulation panel.

13. The method of claim 11, wherein the softened film, covering, and primary insulation board are pressed together to form the finishing system insulation panel.

14. The method of claim 11, wherein the film is configured to variably retard the flow of air, moisture, and gases.

15. A method of manufacturing a finishing system insulation panel, the method including the steps of: providing a covering; softening a film, wherein the film is configured to substantially retard the flow of air, moisture, and gases; bonding the softened film to the covering; cooling the assembled softened film and covering; re-heating the assembled film and covering; and applying the re-heated and softened film and covering to a primary insulation board to form a finishing system insulation panel.

16. The method of claim 15, wherein the softened film and covering are coiled into a roll for later use.

17. The method of claim 15, wherein the film is configured to variably retard the flow of air, moisture, and gases.

18. An insulation finishing system comprising: a plurality of lineals fixed to a building structure, the lineals including a lineal partition which protrudes from the building structure, wherein the lineal partitions define primary insulation cavities; a plurality of finishing system insulation panels, the finishing system insulation panels including a covering bonded to a primary insulation board by a film, wherein the film is configured to substantially retard the flow of air, moisture, and gases; and a plurality of trim pieces connected to the lineals, the trim pieces including sealing flanges, the trim pieces fixing the finishing system insulation panels in the primary insulation cavities, wherein the sealing flanges seal the trim pieces against the finishing system insulation panels.

19. The insulation finishing system of claim 18, wherein the finishing system insulation panels within the primary insulation cavities are provided with an interference fit with the lineal partitions.

20. The insulation finishing system of claim 18, wherein the film is configured to variably retard the flow of air, moisture, and gases.

21. The insulation finishing system of claim 18, where in the sealing flanges are integrally molded to the trim pieces.

Description:

RELATED APPLICATIONS

This application is a continuation-in-part application of U.S. patent application, Ser. No. 10/ 754,316, filed on Jan. 9, 2004 entitled, “INSULATION SYSTEM WITH VARIABLE POSITION VAPOR RETARDER”, which is incorporated herein by reference in its entirety.

TECHNICAL FIELD

The present invention relates generally to an insulated panel mounting system for building structures and, more particularly, to wall finishing systems capable of retarding the flow of air, moisture, and gases.

BACKGROUND OF THE INVENTION

Homeowners often desire to finish rooms, such as basements, in a manner which provides a comfortable and aesthetically pleasing atmosphere.

Most basements are constructed of common materials including cinder block walls or poured concrete walls. Left unfinished, cinder block or poured concrete basement walls can allow humidity into the basement, and also allow the loss of heat through the basement walls. Traditionally, basement walls have been finished by known methods including attachment of wood studs to the basement walls and subsequent attachment of an interior wall surface, such as drywall or paneling, to the wood studs. Insulation materials such as glass fiber insulation batts have been placed between the wall and the wall surface before attachment of the wall surface to the wood studs. In another known method, a granular or loose-fill fibrous insulation material is poured or blown into the spaces between the wall and the interior wall surface after the interior wall surface is attached to the wood studs.

A known method of finishing a room involves the use of insulative panels releaseably connected to installed frame members as developed by the assignee herein, Owens Corning, and as described in the Weir et al. U.S. Pub. No. 2004/0219853 A1 for a “Room Finishing System”, and the Hettler et al. U.S. Pub. No. 2005/0150183 A1 for an “Insulation System with Variable Position Vapor Barrier”, both of which are expressly incorporated herein by reference.

It would be advantageous if the insulative panels were finished with a facing capable of retarding the flow of air, moisture, and gases.

SUMMARY OF THE INVENTION

The above objects as well as other objects not specifically enumerated are achieved by a finishing system insulation panel. The finishing system insulation panel includes a primary insulation board, a covering suitable to provide an aesthetically pleasing surface and a film bonding the covering to the primary insulation board. The film is configured to substantially retard the flow of air, moisture, and gases.

According to this invention there is also provided an insulation finishing system, the insulation finishing system includes a plurality of lineals fixed to a building structure. The lineals include a lineal partition which protrudes from the building structure and define primary insulation cavities. Finishing system insulation panels are provided which include a primary insulation board and a covering suitable to provide an aesthetically pleasing surface. A film bonds the covering to the primary insulation board. The film is configured to substantially retard the flow of air, moisture, and gases. A plurality of trim pieces connect to the lineals and fix the finishing system insulation panels in the primary insulation cavities.

According to this invention there is also provided a method of manufacturing a finishing system insulation panel. The method includes providing a covering, softening a film, the film being configured to substantially retard the flow of air, moisture, and gases, bonding the softened film to the covering, and applying the softened film and covering to a primary insulation board to form a finishing system insulation panel.

According to this invention there is also provided a method of manufacturing a finishing system insulation panel. The method includes providing a covering, softening a film, the film being configured to substantially retard the flow of air, moisture, and gases, bonding the softened film to the covering, cooling the assembled softened film and covering, re-heating the assembled film and covering, and applying the softened film and covering to a primary insulation board to form a finishing system insulation panel.

According to this invention there is also provided an insulation finishing system, the insulation finishing system includes a plurality of lineals fixed to a building structure. The lineals include a lineal partition which protrudes from the building structure and define primary insulation cavities. Finishing system insulation panels are provided which include a primary insulation board and a covering. A film bonds the covering to the primary insulation board. The film is configured to substantially retard the flow of air, moisture, and gases. A plurality of trim pieces connect to the lineals and fix the finishing system insulation panels in the primary insulation cavities. The trim pieces include sealing flanges which seal the trim pieces against the finishing system insulation panels.

Various objects and advantages will become apparent to those skilled in the art from the following detailed description of the various embodiments, when read in light of the accompanying drawings. It is to be expressly understood, however, that the drawings are for illustrative purposes and are not to be construed as defining the limits of the invention.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG. 1 is a perspective view, partially broken away, of a finishing system.

FIG. 2 is a cross-sectional view of a lineal and a trim piece for a finishing system.

FIG. 3 is a cross-sectional view of a finishing system taken along the line 3-3 in FIG. 1.

FIG. 4 is a cross-sectional view of an insulation panel and a fabric capable of retarding the flow of air, moisture, and gases.

FIG. 5 is a cross-sectional view of a lineal, adapter and trim piece for a second embodiment of the finishing system.

FIG. 6 is a cross-sectional view of the second embodiment of the finishing system.

DETAILED DESCRIPTION AND PREFERRED EMBODIMENTS

The description and drawings disclose an insulation finishing system 10 for finishing a room. With reference to FIG. 1, an insulation finishing system 10 is shown installed on a building structure 12. For ease of explanation, the building structure 12 will be generally referred to as a wall 12, although it is to be understood that the building structure can include ceilings and other building features. The wall 12 may be any type that one might desire to finish, either in a residential or a commercial building. The room may include more than one wall and may also include a floor (not shown) and a ceiling (not shown). The wall 12 may have windows, doors, electrical conduits, plumbing fixtures or any other components and assemblies commonly found in residential or commercial buildings.

The insulation finishing system 10 includes a plurality of lineals 20 which create primary insulation cavities 16, as shown in FIG. 3, when installed on the wall 12. As shown in FIG. 1, the lineals 20 are a plastic material, but the lineals 20 can be made of metal or any other material suitable to be installed on a wall 12 and create primary insulation cavities 16.

The lineals 20 can be attached to the wall 12 in any suitable manner. In certain embodiments, the lineal 20 is attached to the wall 12 with suitable fasteners 14; however, in other embodiments, the lineal 20 can be affixed to the wall 12 with a suitable adhesive material or any other mechanism which provides attachment to the wall 12.

The insulation finishing system 10 further includes primary insulation boards 50. The primary insulation boards 50 may be made of any type of insulating materials, such as, but not limited to, fiberglass, fiberglass board, rock wool board, mineral board, or a foam board. The foam board may be formed from extruded or molded polystyrene, polyisocyanurate, phenolic, polyurethane, or other similar insulation materials.

The primary insulation boards 50 include a decorative facing 54 bonded to the outer surface of the primary insulation board 50, as best shown in FIG. 4, as will be discussed later.

As best shown in FIG. 2, the lineal 20 has a lineal base plate 22 which has opposing lineal retaining flanges 22a and 22b. The lineal 20 also has opposing lineal partitions 24 and 25 which extend from the lineal base plate 22. The opposing lineal partitions 24 and 25 define a receiving channel 26 for releasably engaging a trim piece 40.

In certain embodiments, one or more of the lineal partitions members 24, 25 can include one or more inwardly extending detents 28a, 28b for securing the trim piece 40 in the lineal 20. The lineal base plate 22 can optionally include at least one break-away notch 29 that extends along the intersection of the lineal base retaining flange 22a and the lineal partition 24. The break-away notch 29 allows the installer to easily remove the lineal base retaining flange 22a so that the lineal 20 can be installed in a corner or other area such as against a window or door (not shown).

The insulation finishing system 10 also includes a plurality of trim pieces 40 which connect to the lineals 20 and retain the primary insulation boards 50 within the primary insulation cavity 16. As shown in FIG. 1, the trim pieces 40 are a plastic material, but the trim pieces 40 can be made of metal or any other material suitable to connect to the lineals 20 and retain the primary insulation panels 50 within the primary insulation cavities 16.

As shown in FIG. 2, the trim piece 40 has a trim base plate 42 with opposing trim retaining flanges 42a and 42b. The trim piece 40 can have an outer surface 44 treated in a manner such that the outer surface 44 presents a decorative finish, such as simulated wood grain finish. The trim piece 40 also has a trim connector 43 which extends from a bottom of the trim base plate 42. The trim connector 43 can have any desired shape so that the trim connector member 43 can fit within the receiving channel 26 of the lineal 20. In the embodiment shown in FIG. 2, the trim connector 43 has generally convex walls 43a and 43b. The trim piece also has optional sealing flanges 46a and 46b which extend from the trim base plate 42. In one embodiment, the sealing flanges 46a and 46b could be formed as an integral part of the trim piece 40. In another embodiment, the sealing flanges 46a and 46b can be separate flanges not formed as part of the trim piece 40. The separate flanges can be installed by various methods including gluing and stapling, or any other method sufficient to fix the sealing flanges between the finishing system insulation panels 70 and the trim pieces 40.

In general, the trim retaining flanges 42a and 42b maintain the finishing system insulation panels 60 in the primary insulation cavities 16 and provide a decorative interface between adjacent finishing system insulation panels 60′. In certain embodiments, as shown in FIG. 1, a trim piece 40 can be oriented in a vertical direction and used as a vertical divider member 40′, which is inserted between adjacent finishing system insulation panels 60 and 60′.

As discussed previously, the primary insulation boards 50 include a decorative facing 54. As best shown in FIG. 4, the decorative facing 54 includes a covering 56 and a film 58. In most cases, the covering 56 provides an aesthetically pleasing surface for the primary insulation boards 50. The covering 56 can be any type of fabric or vinyl decorative covering, such Maharam Tek-Wall 1000 or Designtex US-OC, suitable to provide an aesthetically pleasing surface for the primary insulation boards 50. The covering 56 is typically manufactured by weaving warp fibers together with weft fibers in a crossing pattern. The weaving together of the fibers results in interstices between the woven fibers. Generally, the interstices between the woven fibers are filled by the film 58. The film 58 is softened at a temperature of approximately 210-300° F. and bonded to the covering 56. In one embodiment, the temperature of the softened film 58 is limited to a maximum of approximately 210-300° F., which is less than the temperature at which most coverings start to melt or become too soft to handle. In another embodiment, the maximum temperature of the softened film 58 can be higher. The softened film 58 bonds to the covering 56 and also fills the interstices between the woven fibers.

Subsequent to the bonding of the softened film 58 to the covering 56, the softened film 58 is used to bond the covering 56 to the primary insulation boards 50. The bonding of the softened film 58 and the covering 56 to the primary insulation board 50 can be completed using various manufacturing methods including a continuous rolling operation in which the softened film 58, the covering 56 and the primary insulation boards 50 are fed together to form a finishing system insulation panel 60. Alternatively, a pressing operation can be used in which the softened film 58, the covering 56, and the primary insulation boards 50 are pressed together to form a finishing system insulation panel 60. Any other manufacturing operation can be used provided the manufacturing operation is sufficient to bond the softened film 58 and the covering 56 to the primary insulation board 50. Alternatively, subsequent to the bonding of the covering 56 to the softened film 58, the assembled covering 56 and softened film 58 can be cooled and can be held for further use in a convenient manner such as in rolls, stacked or any other storage manner sufficient to safely and conveniently store the assembly of the covering 56 bonded to the film 58. At a later time, the assembled covering 56 and the film 58 can be heated to soften the film 58 for bonding to the primary insulation boards 50.

In addition to bonding the covering 56 to the primary insulation board 50, the film 58 also substantially retards the flow of air, moisture, and gases, without requiring the use of a separate vapor or air barrier (not shown). The film 58 is made of a polymer material, such as polyurethane, nylon, ethylene vinyl acetate, polyethylene or any material suitable to bond the covering 56 to the primary insulation boards 50 and substantially retard the flow of air, moisture, and gases. The film 58 can have a softening point within the range of from approximately 190° F. to approximately 300° F. To effectively retard the flow of air, moisture, and gases, the film 58 has a permeability rating of between 0 to 35 grams per hour per square foot as determined by water vapor transmission tests, such as ASTM E96. Typical water vapor transmission tests, such as the ASTM E96, evaluate the transfer of water vapor through semi-permeable and permeable materials over a period of time. Alternatively, the film 58 can have a variable permeability rating of between 0 to 35 grams per hour per square foot to allow variation in the flow of air, moisture, and gases through the finishing system insulation panels 60 as seasonal changes in temperature and humidity occur. A known product that has a variable permeability rating is “MemBrain: The SMART Vapor Retarder” which is available from Certainteed Corporation. Air retarding performance of the film 58 is measured using air transmission tests, such as ASTM E1677 or other similar testing methods, which are useful in measuring the rate of air flow in building materials.

During the installation process of the insulation finishing system 10, various components may be installed in a step-wise fashion until the wall 12 is covered. An initial lineal 20 is fixed to a wall 12, thereby forming an initial primary insulation cavity 16. An initial finishing system insulation panel 60 is positioned in the initial primary insulation cavity 16, such that the end portion 51 of the initial finishing system insulation panel 60 is pressed against the lineal partition 24 using hand applied pressure. Only hand applied pressure is necessary to affect an interference fit between the end portion 51 of the finishing system insulation panel 60 and the lineal partition 24. Following installation of the finishing system insulation panel 60, a subsequent lineal 20 is pressed against the installed finishing system installation panel 60, again using only hand pressure, and the subsequent lineal 20 is fastened to the wall 12 using appropriate fasteners 14. This procedure is followed until the wall 12 is covered by the finishing system insulation panels 60. Alternatively, other installation techniques can be used.

In certain installations, a temporary clip, such as a scrap part of a lineal 20 and/or trim piece 40, can be used to hold the finishing system insulation panels 60 within the primary insulation cavity 16 during the sequential installation of subsequent finishing system insulation panels 60.

In a certain embodiment, the interference fit between the finishing system insulation panels 60 and the lineal partitions 24, 25 is in the horizontal direction a, as shown in FIG. 1. Alternatively, the interference fit between the finishing system insulation panels 60 and the lineal partitions 24, 25 may be in a vertical direction or may be simultaneously in both a horizontal and vertical direction.

As shown in FIG. 3, the trim retaining flanges 42a and 42b extend outwardly such that, when the insulation finishing system 10 is assembled, the finishing system insulation panels 60 are located within the primary insulation cavity 16. Thus, the base plate 42, with its flanges 42a, 42b, on the trim piece 40, holds (or retains) the finishing system insulation panels 60 within the primary insulation cavity 16. As the trim piece 40 is located within the receiving channel 26, the sealing flanges 46a, 46b collapse against the finishing system insulation panel 60, including the decorative facing 54, thereby forming a sealed joint 62, as shown in FIG. 3. The sealed joint 62 substantially prevents air, moisture, and gases from penetrating the intersection of the finishing system insulation panel 60 and the trim piece 40.

As shown in FIG. 3, the finishing system insulation panel 60 is positioned within the primary insulation cavity 16 so that there is optionally an interference fit between the end portion 51 of the finishing system insulation panel 60 and the lineal partitions 24, 25. An interference fit is defined as constant direct contact between the end portion 51 of the finishing system insulation panel 60 and the lineal partition 24, 25 such that there is substantially no continuous gap or clearance between the end portion 51 of the finishing system insulation panel 60 and the lineal partition 24, 25. The interference fit between the end portion 51 of the finishing system insulation panel 60 and the lineal partition 24, 25 must provide enough contact to prevent air, moisture, and gases from flowing along the lineal partition 24, 25 to the lineal 20. The interference fit between the end portion 51 of the finish system insulation panel 60 and lineal partition 24 is achieved during the installation of the finishing system insulation panels 60 by hand applied pressure applied to the finishing system insulation panels 60 and also applied to the subsequently installed lineals 20. This procedure has the advantage of eliminating the installation steps of sizing, measuring and cutting the finishing system insulation panels 60. However, an interference fit between the end portion 51 of the finishing system insulation panels 60 and the lineal partitions 24, 25 can also be made by the installation steps of sizing, measuring and cutting the finishing system insulation panels 60.

In summary, the insulation finishing system 10 includes finishing system insulation panels 60 and various mounting components such as lineals 20 and trim pieces 40. The finishing system insulation panels 60 include a covering 56 bonded to primary insulation panels 50 by a film 58. The film 58 both bonds the covering 56 to the primary insulation panel 50 and substantially retards the flow of air, moisture, and gases. The film 58 eliminates the use a separate vapor or air barrier.

In another embodiment, the insulation finishing system 110 includes a second layer of insulating materials and additional components for mounting the second layer of insulating materials. The insulation finishing system 110 includes lineal adaptors 130 that create secondary insulation cavities 118, as shown in FIGS. 5 and 6, when connected to the lineals 120. As shown in FIGS. 5 and 6, the lineal adaptors 130 are a plastic material, but the lineal adaptors 130 can be made of metal or any other material suitable to be connected to the lineals 120 and create secondary insulation cavities 118. The lineal adaptors 130 have opposing adaptor partitions 134 and 135 which extend from a top side of the adaptor base plate 132 and define an adapter receiving channel 136 for engaging the trim piece 140. In certain embodiments, the adaptor partitions 134, 135 allow a releasable engaging connection to be formed between the lineal adaptor 130 and the trim piece 140.

The lineal adaptors 130 include an adaptor base plate 132 with opposing adaptor retaining flanges 132a and 132b and a connector member 133 which extends from a bottom side of the adaptor base plate 132. The connector member 133 can have any desired shape so that the connector member 133 can fit within the lineal receiving channel 126. In the embodiment shown, the connector member 133 has generally convex walls 133a and 133b. In certain embodiments, the adaptor connector 133 snaps into the lineal partitions 124, 125 such that the adaptor connector 133 releasably retains the lineal adaptor 130 in engagement with the lineal 120. If necessary, the lineal adaptor 130 can be removed without damage to the lineal 120 or the lineal adaptor 130 itself. Additionally, the lineal partitions 134 and 135 allow a releasable connection to be formed between the lineal adaptor 130 and the trim piece 140. Referring again to FIG. 6, each lineal adaptor flange 132a and 132b extends outwardly such that base plate 132, and its flanges 132a, 132b, holds (or retains) the primary insulation board 150 within the primary insulation cavity 116.

In certain embodiments, one or more of the adaptor partitions 134, 135 can include one or more inwardly extending detents 38a, 38b for securing the trim piece 140 to the lineal adaptor 130. The adaptor base plate 132 can optionally include at least one break-away notch 139 that extends along the intersection of the adaptor base retaining flange 132a and the adapter partition 134. The break-away notch 139 allows the installer to easily remove the adaptor retaining flange 132a so that the lineal adaptor 130 can be installed in a comer or other area such as against a window or door (not shown).

The insulation finishing system 110 further includes a plurality of finishing system insulation panels 180 having a covering 174 bonded to an outer surface of secondary insulation boards 170 by a film (not shown). When installed, the finishing system insulation panels 180 are located in the secondary insulation cavity 118.

The secondary insulation boards 170 may be made of the same materials used to make the primary insulation boards 50, as discussed previously.

The covering 174 and the film used to bond the covering 174 to the secondary insulation panels 170, as shown in FIG. 6, can be the same covering 56 and film 58 bonded to the primary insulation panels 50, as discussed previously. The covering 174 can be bonded to the secondary insulation panels 170 by the film using the same manufacturing techniques and operations as discussed previously to bond the covering 56 to the primary insulation panels 50. Similarly, the interstices between the woven fibers of the covering 174 are filled by the film when the film is softened and bonded to the covering 174. In addition to bonding the covering 174 to the secondary insulation panels 170, the film also substantially retards the flow of air, moisture, and gases without requiring the use of a separate vapor or air barrier. The film can be made of the same materials used to make the film 58, as previously discussed, and has the same permeability ratings. Optionally, the film can have a variable permeability rating of between 0 to 35 grams per hour per square foot.

In certain embodiments, the primary insulation panel 50 has a first thickness and the secondary insulation panel 170 has a second, different thickness. It is to be understood that the R-values of the primary insulation panel 50 and the secondary insulation panel 170 may be determined for a particular geographic region.

In a manner similar to that discussed earlier with respect to the primary insulation panels 50, the finishing system insulation panels 180 can be installed against the adapter partitions 134, 135 in a step-wise fashion until the primary insulation panels 50 are covered. Alternatively, other installation techniques can be used.

As shown in FIG. 6, the trim piece 140 holds (or retains) the finishing system insulation panel 180 within the secondary insulation cavity 18 in a similar manner as the way the trim piece 40 holds the finishing system insulation panel 60 within the primary insulation cavity 16, as previously discussed. Similarly, the trim piece 140 forms a seal joint 178 between the trim piece 140 and the finishing system insulation panel 180 to substantially prevent the flow of air, moisture, and gases from penetrating the intersection of the finishing system insulation panels 180 and the trim piece 140.

In summary, the insulation finishing system 110 includes a second layer of insulating panels and additional mounting components. The second layer of insulating panels includes a covering 174 bonded to the secondary insulation panels 170. The covering 174 includes a film (not shown) which both bonds the covering 174 to the secondary insulation panel 170 and substantially retards the flow of air, moisture, and gases. The film eliminates the requirement to use a separate vapor or air barrier.

While the invention has been described with reference to a preferred embodiment, it should be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the essential scope of the invention. In addition, many modifications may be made to adapt a particular situation or panel to the teachings of the invention without departing from the essential scope thereof. Therefore, it is intended that the invention not be limited to the particular embodiment disclosed as the best mode contemplated for carrying out this invention, but that the invention will include all embodiments falling within the scope of the claims.