The DIY Kit is made from high density polyurethane (PUR) which is light but strong, moisture-resistant, anti-corrosive, provides good heat insulation and is easy to install. PUR is resistant to most counter chemicals and has one of the lowest moisture permeability ratings of any product manufactured for the building industry. PUR is the preferred insulation across the world, with an R-Value of R-7 to R-5 per inch.
