ADHESIVE-BACKED COMPOSITE INSULATION BOARDS WITH VACUUM-INSULATED CAPSULES

1 . A composite insulation board comprising:

i. a vacuum-insulated capsule;

ii. a foam body that encases said capsule, said foam body having first and second opposed planar surfaces; and

iii. a layer of pressure-sensitive adhesive disposed, either directly or indirectly, on one of said first and second opposed planar surfaces.

2 . The composite board of claim 1 , where said foam body includes a closed cell polyurethane or polyisocyanurate foam body.

3 . The composite board of claim 1 , where said vacuum-insulated capsule includes an encapsulating element that encapsulates a generally rigid element, said encapsulating element and said rigid element forming a gas-evacuated chamber.

4 . The composite board of claim 1 , where said composite board further comprises first and second facers disposed directly on said first and second opposed planar surfaces, respectively, of said foam body, and where said layer of pressure-sensitive adhesive is disposed directly on one of said first and second facers opposite said foam body.

5 . The composite board of claim 4 , where said facer is first and second facers are selected from the group consisting of aluminum foil, cellulosic fibers, reinforced cellulosic fibers, craft paper, coated glass fiber mats, uncoated glass fiber mats, chopped glass, and combinations thereof.

6 . The composite board of claim 1 , where said layer of pressure-sensitive adhesive has a thickness of from about 15 to about 60 μm.

7 . The composite board of claim 1 , where said layer of pressure-sensitive adhesive is a continuous layer.

8 . The composite board of claim 1 , where said layer of pressure-sensitive adhesive is a discontinuous layer.

9 . The composite board of claim 1 , where said pressure-sensitive adhesive includes a cured, hot-melt adhesive.

10 . The composite board of claim 1 , where said pressure-sensitive adhesive includes a chemically crosslinked pressure-sensitive adhesive.

11 . The composite board of claim 1 , where a second layer of pressure-sensitive adhesive is disposed, either directly or indirectly, on the opposed first or second planar surface of said foam body opposite said first layer of pressure-sensitive adhesive.

12 . The composite board of claim 1 , further comprising a release element removably attached to said pressure-sensitive adhesive layer.

13 . A method of constructing a roof assembly, the method comprising:

i. mechanically affixing a construction board to a roof deck;

ii. providing a composite insulation board including:

(a) a vacuum-insulated capsule;

(b) a foam body that encases said capsule, said foam body having first and second opposed planar surfaces;

(c) a layer of pressure-sensitive adhesive disposed, either directly or indirectly, on one of said first and second opposed planar surfaces; and

(d) a release liner removably attached to the layer of pressure-sensitive adhesive.

iii. removing the release liner from the composite insulation board;

iv. mating the composite insulation board to the construction board that is mechanically affixed to the roof deck; and

v. installing a membrane system over the composite insulation board.

14 . The method of claim 13 , further comprising a step of providing a membrane carrying a factory-applied adhesive system and a release liner removably attached over the adhesive system, where said step of installing includes removing the release liner from the membrane and mating the membrane to the composite insulation board.

15 . The method of claim 14 , further comprising a step of installing a coverboard over the composite insulation board.

16 . The method of claim 13 , where the pressure-sensitive adhesive is a UV-cured adhesive layer.

17 . A roof assembly comprising:

i. a roof deck;

ii. a construction board mechanically affixed to the roof deck;

iii. a composite insulation board adhesively affixed to the construction board, where the composite insulation board includes

(a) a vacuum-insulated capsule;

(b) a foam body that encases said capsule, said foam body having first and second opposed planar surfaces; and

(c) a layer of pressure-sensitive adhesive disposed, either directly or indirectly, on one of said first and second opposed planar surfaces.

18 . The roof assembly of claim 17 , where the pressure-sensitive adhesive layer includes a UV-cured adhesive.