The schellenberg shutter box insulation mat (25 mm) is used for the insulation of your shutter box. With their good insulation and processing properties helps heat loss compared to a ungedammten shutter box to reduce up to 60%. In addition, air noise and rattle the shutters panzers in strong wind largely prevented. The breathable material supports the avoidance of mold formation. Seal the joints with adhesive foam or rib foam (not provided).The shutter box insulation can be easily in the old einpasst ungedammten shutter box. It is ideal for space-side box openings.This text is machine translated.