STYROFOAM Residential Sheathing R- 3.9 , 0.78-in x 4-ft x 8-ft Faced Polystyrene Board Insulation

STYROFOAM Residential Sheathing is an extruded polystyrene foam board with plastic film facers on both sides providing a long term insulating performance of R-5 per inch sizing

This 0.78-in thick 4ft x 8ft Residential Sheathing has a tongue and groove edge treatment to help boards fit snugly against one another and ensure energy efficiency

Lightweight, making it easy to handle and remains a simple matter to cut to size with a score and a snap

Defends against wind-driven moisture penetrating a wall system, providing an effective layer of protection for wood components and cavity insulation while moderating temperature in the wall cavity

Minimum compressive strength of 15 PSI

New formulation reduces global warming potential (GWP) and greenhouse gas (GHG) emissions - you will get aesthetics, performance and sustainability

Can be placed directly over uninsulated studs using let-in bracing or metal strappings to provide the code-required lateral structural bracing, or as an insulating and weather barrier layer over wood panel sheathings such as OSB or plywood

15 year limited warranty for peace of mind