Premium IV:

Premium IV

A Quality Controlled Hot-Melt Adhesive

Premium IV is a high-quality asphalt that is used as a thermoplastic hot-melt adhesive in a variety of built-up roof configurations. Premium IV can be used as an interply adhesive for SBS modified bitumen systems as well as standard built-up roofs.  Moreover, it can also be used to adhere Tremco-approved insulations to acceptable substrates.


Premium IV is a high-quality, special steep asphalt processed from a consistent source of asphalt flux, and meets tightly controlled performance characteristics and exceeds ASTM D 312-95a standards.

Roofing & Weatherproofing Peace of Mind

We deliver peace of mind to building owners and facility managers by managing roofing and building life cycles for customers in all industries, including education, healthcare, government, manufacturing and more.

  • Tremco Roofing offers the industry's most comprehensive roofing and weatherproofing solutions for restoration, repair, maintenance, replacement and new construction.
  • WTI (Weatherproofing Technologies, Inc., a subsidiary of Tremco Incorporated), provides roofing services, construction management and general contracting.
  • Our Canam Building Envelope Specialists affiliate provides building envelope solutions to eliminate air leaks, improve energy efficiency and reduce costs.


US: 1.800.852.6013

Canada: 1.800.668.9879