Soprema Lastobond Shield HT – High-Temperature Self-Adhered Roofing Underlayment | IPS Metal

Lastobond Shield HT is a high-temperature, self-adhered roofing underlayment designed to deliver long-lasting waterproofing protection beneath metal, tile, or asphalt shingle roofing systems. Its SBS-modified bitumen composition and high-heat resistance make it ideal for use under metal roofs and in warm climates.

Key Features:

• High-temperature resistance up to 240°F (115°C) – perfect for metal roofs

• Self-adhered SBS-modified bitumen membrane for superior waterproofing

• Reinforced with high-strength polyethylene film for durability and flexibility

• Excellent adhesion to plywood, OSB, and metal substrates

• Split-release backing for easy installation

• Self-seals around nails and fasteners

Recommended Applications:

• Underlayment beneath metal, tile, or asphalt roofs

• Eaves, valleys, ridges, and roof transitions

• Low-slope and steep-slope roofing systems

• Protection against ice damming and wind-driven rain

Installation Guidelines:

• Apply to clean, dry surfaces above 10°C (50°F)

• Remove release film gradually during installation

• Overlap edges by 2–3 inches (50–75 mm)

• Press firmly to ensure full adhesion

• Compatible with most roofing materials and primers

Technical Specifications: