
Kingspan GreenGuard Q250 R-0.9 0.2 x 48 x 48 inch XPS Fanfold Insulation Board
Details
When every penny counts, you can rely on the performance of our most economical fanfold siding underlayment. The 0.2 incheses Q250 is made of extruded polystyrene foam (XPS). Designed to be used as a "leveling board", with crease-fold hinges, it adds insulation and moisture protection during installation of new vinyl siding over old siding. It is configured in fanfolded bundles 4 feet x 48 feet.
Features:- Reflective facer on one side for added energy efficiency
- Lightweight, durable cuts clean and easy
- Perforated to allow moisture vapor to escape
- Provides a smooth, level nailing surface for new siding
- Flame Speed: 10
- Smoke Developed: 140