Johns Manville R-5 (16 PSI) Foil-Faced Polyiso Foam Board Insulation

Product Overview The Johns Manville R-5 (16 PSI) Foil-Faced Polyiso Foam Board Insulation is a premium insulation solution engineered to provide outstanding thermal resistance in a compact, lightweight format. This rigid polyisocyanurate foam board features a unique foil-facing that enhances both its thermal efficiency and moisture resistance, making it an excellent choice for various insulation applications. Ideal for residential construction or as insulated sheathing, this product effectively manages heat, moisture, and air infiltration, protecting exterior walls and preventing thermal bridges that can lead to energy loss.

Key Features

• Superior Thermal Performance: Provides the highest R-value per inch among rigid board insulation options, ensuring exceptional thermal efficiency.
• Foil-Faced Design: The reflective aluminum foil facing boosts thermal performance by blocking radiant heat and preventing air and moisture penetration.
• Fire Resistance: Meets hourly fire ratings in wall assemblies and does not melt when exposed to flame, ensuring safety and compliance with building codes.
• Moisture Control: The low permeability foil facing, coupled with the high thermal performance of polyiso, makes it highly effective at controlling condensation within walls.
• Durability: This insulation is lightweight yet durable, resistant to rot, and maintains its performance over time, making it a reliable long-term solution.

Please check the Product Data Sheet Here

Specifications

Frequently Asked Questions (FAQ)

• What is the main advantage of using foil-faced polyiso foam board insulation?

  • The primary benefit is its superior thermal performance, offering the highest R-value per inch among rigid board insulations. Additionally, the foil-facing enhances moisture resistance and reflects radiant heat, contributing to overall energy efficiency.

• Can this insulation be used for both interior and exterior applications?

  • Yes, the Johns Manville R-5 Foil-Faced Polyiso Foam Board Insulation is versatile and suitable for both interior and exterior applications, catering to a variety of construction needs.

• Is this product fire-rated?

  • Yes, the insulation is hourly fire-rated when used in wall assemblies and does not melt when exposed to flame, providing enhanced safety for building applications.

• How does this insulation assist with moisture control?

  • The low permeability of the foil-facing, combined with polyiso’s high thermal performance, makes it highly effective in controlling condensation within walls, thus preventing moisture-related problems.

• What are the dimensions and weight of the insulation board?

  • Each board measures 96 inches in height, 48 inches in width, and 0.81 inches in depth, with a shipping weight of 4.3125 pounds.