As a self-adhesive underlay roofing felt for multilayer bituminous roofing in flat roofing.

Technical data

• surface: laminated with foil,
• bottom surface: perforated foil / self-adhesive mass,
• supporting insert: glass veil and glass mesh,
• elongation along / along with EN 12311-1: 2% / 2%,
• tensile forces along / across EN 12311-1: 1000/100 N / 50 mm,
• flexibility at low temperatures: - 30 C,
• resistance to high temperatures: + 100 C,