Dow Polyisocyanurate Cavity Wall Insulation

Thermax sheathing can be installed exposed to the.

Dow polyisocyanurate cavity wall insulation.

Continuous insulation provides improved performance compared to typical cavity insulation by creating an uninterrupted thermal barrier across the wall. Rigid insulation comes in panels of various thickness which provide different r values. Wall and ceiling overview. Ask your seller for the fact sheet on r value.

The glass fiber reinforcement provides improved fire performance and dimensional stability. Foil faced polyiso astm c 1289 03 type i class 1 is the product of choice for masonry cavity wall construction. Tuff r polyisocyanurate insulation consists of high performance high r value closed cell polyisocyanurate foam core boards sandwiched between a choice of durable exterior foil facers. We offer dow thermax polyisocyanurate and dow styrofoam xps extruded polystyrene known as blue board.

The higher the r value the greater the insulating power. The other is a tri plex facer consisting of a three ply laminate of durable kraft. Pour in place insulation spray insulation polyol blends compatible with polyester and polyether polyol formulations the surfactants simplify the mixing of polyols and blowing agents maintain the blowing agents in the emulsion or solution and provide excellent emulsion stability. Both are closed cell foam products.

Foil faced polyiso products have higher long term r values compared to other rigid board products. The unparalleled performance of continuous insulation results from the reduction of thermal bridges created by wall framing members. Thermax sheathing is a non structural rigid board insulation consisting of a glass fiber infused polyisocyanurate foam core laminated between 1 0 mil smooth reflective aluminum facers on both sides. Foil is a vapour barrier and a very good one at that it fact it stops even more moisture than the normal 6 mil polyethylene normally used.

1 values are consistent with the criteria of astm c578 and the requirements of the ftc r value rule 16 cfr part 460. Specify polyiso for cavity wall applications. Thermax sheathing specially designed to hold a class a fire rating. Polyiso ci commercial wall construction.

The glass fiber reinforcement contributes to improved fire performance and dimensional stability. For more than 35 years rmax has been creating insulation solutions based on the latest building science. Polyiso is the best insulation for cavity wall applications. 2 vertical compressive strength is measured at 10 percent deformation or at yield whichever occurs first.

Polyisocyanurate foam insulation panels come with a layer of foil on each side to keep the gases in so there is the potential to solve a bit of a growing problem in wall assembly durability. Easy to work with rigid insulation can be incorporated into construction or added later to increase r value. Our full line of high quality polyiso based wall and specialty insulation products for commercial residential and industrial applications deliver maximum r values and minimum environmental impact with efficiency in installation cost and design.