Jiffy Seal® Ice & Water Guard HT 25 is a cold applied, self-adhering membrane composed of a proprietary slip resistant, tri-layer, woven polypropylene fabric coated on one side with a layer of rubberized asphalt adhesive.

A complete waterproof roofing underlayment used on new and retro-fit* roofs, under most roof coverings. Designed for use at low slope areas, hip, ridge, valleys, rake edges, confined rake edges, around skylights and chimneys.