Rigid Foam On Attic Walls Behind Celotex

Or is this just over kill.

Rigid foam on attic walls behind celotex.

Saint gobain construction products uk limited trading as celotex registered in england. Assuming the roof construction is able to deal with the intended loads then celotex pir foam insulation boards can accommodate typical storage loads without compressing. Basically both materials are used for residential. Celotex foam board insulation was later purchased by dow chemical who continues to market polyisocyanurate foam insulating board.

This article gives the history and properties of celotex thermax and other foam board insulating products. Celotex dow polyisocyanurate insulating foam board foam board properties history asbestos facings. Tel 44 0 1473 822093. 2 in x 4 ft x 8 ft 1 faced polystyrene garage door foam board insulation item 15357 model 2x48x96 r tech.

Foamular extruded polystyrene xps rigid foam insulation offers foamular extruded polystyrene xps rigid foam insulation offers a comprehensive line of products in a wide choice of sizes thicknesses and edges with a lifetime limited warranty for the life of the home or building. My plan is to remove the old vinyl the 1 2 styrofoam sheets behind it and the original pressed paper siding. In order to increase the insulation values i want to first add a layer of the rigid foam board. Celotex fiberboard is one of the most popular materials for insulation in the class of fiberboard.

The products are easy to handle score cut and install and no special tools are needed. This agrément certificate product sheet 1 relates to celotex pir plasterboard thermal laminates comprising rigid polyisocyanurate pir foam boards bonded to plasterboard for use as insulating dry lining for internal wall applications in existing domestic and non domestic buildings. Lady lane industrial estate hadleigh ipswich suffolk ip7 6ba. This will leave a 1 2 layer of that old black celotex material as well as the 1 2 plywood at the corners.

Timber boarding should be laid over the boards to provide protection and maintain their performance. Thanks for any replys. However each material has its own specialty. This video shows an example of a home that has rigid foam installed on it but not quite the way we would recommend.

Furring strips on sheathing behind rigid foam would installing vertical furring strips next to the sheathing and behind the rigid foam help the wall to breathe and still maintain r values. If you are wanting to create a thermal br. On the other hand there is the rigid foam as its competitor. For example rigid foam is mostly used for basement wall insulation due to its ability to resist moisture.