rigid insulation

Rigid Insulation Systems

Contractors installing tapered polyiso flat roof insulation.

Tapered insulation design resources

Rely on your dedicated Siplast tapered insulation design specialist for detailed, high-quality configurations that help you deliver on every project. We provide custom tapered solutions for both polyiso insulation and expanded polystyrene insulation to optimize performance across the roof.
Systems Paratherm

Siplast Paratherm - Enhance your roofing investment

Whether it’s fire resistance, sustainable design, additional surface strength, or moisture resistance – Siplast Paratherm products & systems can bring more than just thermal value to the roof system.
Siplast Paradiene 20/30 System cutaway diagram with Parapro Flashing detail.

Paradiene® 20/30 System with Parapro® Flashing

Siplast Paradiene® 20/30 System is renowned for its exceptional durability, and when integrated with Siplast Parapro® Flashing it delivers robust waterproofing designed for roofs with unusual or complex penetrations. From I-beams and H-beams to stanchions and equipment supports, complicated details are sealed seamlessly. Parapro® Flashing is liquid applied directly over the Paradiene® 30 finish ply with a base and top coat of catalyzed, thixotropic PMMA resin encapsulating a layer of high-strength polyester fleece.