Rigid Foam On Attic Walls Behind Celotex
The rigid boards can be laid over the entire floor of the loft.
Rigid foam on attic walls behind celotex. On the other hand there is the rigid foam as its competitor. Thanks for any replys. My plan is to remove the old vinyl the 1 2 styrofoam sheets behind it and the original pressed paper siding. I am in zone 7 and considering adding foam to the exterior since i am residing.
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. Celotex foam board insulation was later purchased by dow chemical who continues to market polyisocyanurate foam insulating board. Celotex dow polyisocyanurate insulating foam board foam board properties history asbestos facings.
In order to increase the insulation values i want to first add a layer of the rigid foam board. 2 in x 4 ft x 8 ft. Or is this just over kill. This article gives the history and properties of celotex thermax and other foam board insulating products.
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. Timber boarding should be laid over the boards to provide protection and maintain their performance. If you are wanting to create a thermal br. 2 in x 4 ft x 8 ft 1 faced polystyrene garage door foam board insulation item 15357 model 2x48x96 r tech.
However each material has its own specialty. For example rigid foam is mostly used for basement wall insulation due to its ability to resist moisture. Basically both materials are used for residential. Tel 44 0 1473 822093.
This will leave a 1 2 layer of that old black celotex material as well as the 1 2 plywood at the corners. Celotex fiberboard is one of the most popular materials for insulation in the class of fiberboard. This video shows an example of a home that has rigid foam installed on it but not quite the way we would recommend. The products are easy to handle score cut and install and no special tools are needed.