For use in replacement siding operations to provide a level surface over old siding, add insulation and weather protection
Kingspan GreenGuard P1450 Siding Underlayment comprises ¼” thick closed-cell polystyrene (XPS) with perforated capsheets on both sides. It is configured in fanfolded bundles 4’ x 50’ with cut-n-fold hinges. It is lightweight and easy to cut and install. It is designed to be used as a “leveling board”, added insulation and added moisture protection in installation of new vinyl siding over old siding. Panel rigidity, water-resistance, durability, easy cutting and excellent lay-flat properties make this product the very best fanfold siding underlayment.