Product Overview

Johns Manville R-5.7 (20 PSI) Fiberglass Face Polyiso Roof Decking Insulation

Johns Manville presents a top-tier insulation solution designed to boost energy efficiency and structural integrity in various roofing systems. This 1-inch thick board, known as the ValuTherm, combines a closed-cell polyisocyanurate foam core with fiberglass reinforced facers. It is perfectly suited for metal, nailable, and non-nailable roof decks and is compatible with built-up, modified bitumen, and single-ply membrane systems. Offering excellent thermal insulation value, this product is a go-to for superior thermal performance and efficiency in roofing projects.

Key Features

• Eco-Friendly Technology: Employs a pentane hydrocarbon blowing agent to enhance thermal performance while adhering to environmental regulations.
• Universal Application: Compatible with various roofing systems, including BUR, modified bitumen, and single-ply membrane systems.
• Regulatory Adherence: Conforms to the standards of the EPA, CEPA, Montreal Protocol, and Clean Air Act Amendments of 1990.
• Robust Construction: Features resistance to moisture, temperature fluctuations, and rot, ensuring durability and longevity.
• Certified Quality: Meets FM Standards 4450/4470 and UL Standards 790, 263, and 1256, along with CAN/ULC S704, Type 2 & 3, Class 3.

Please check the Product Data Sheet Here

Specifications

Frequently Asked Questions (FAQ)

• What is the primary composition of this insulation?

  • The main material is polyisocyanurate foam, renowned for its outstanding thermal insulation capabilities.

• Is this insulation suitable for all types of roofing systems?

  • Yes, its universal facer ensures compatibility with built-up, modified bitumen, and single-ply membrane roofing systems.

• How environmentally friendly is this product?

  • This insulation uses a pentane hydrocarbon blowing agent that complies with stringent environmental standards set by the EPA and CEPA.

• What are the dimensions of the insulation board?

  • The board measures 4 feet in width and 8 feet in length, with a 1-inch thickness.

• Does this product comply with safety and performance standards?

  • Absolutely, it is compliant with FM Standards 4450/4470, UL Standards 790, 263, and 1256, and CAN/ULC S704, Type 2 & 3, Class 3.