EnergyGuard™
Perlite Roof Insulation
Description
EnergyGuard™ Perlite roof insulation is a homogeneous board composed of expanded
perlite particles, selected binders and cellulose fibers, which give EnergyGuard™
Perlite roof insulation its insulating efficiency. The surface is treated to reduce
bitumen absorption assuring proper adhesion of roof membranes.
EnergyGuard™ Perlite roof insulation is available in 2’ x 4’ (0.6m x 1.2m)
and 4’ x 4’ (1.2m x 1.2m) boards in standard thicknesses of 3/4”, 1”, 1 1/2”, and
2” (19mm, 25mm, 38mm and 51mm). Other sizes are available on request.
Advantages
- Stable insulating properties.
- Exceptional fire resistance (Class 25).
- Excellent dimensional stability.
- Resists damage due to normal deck traffic during and after construction.
- Fast and easy to apply.
- Tough performance proven for over 30 years.
- The minimum recycled content is 25% by weight.
Uses
- EnergyGuard™ Perlite roof insulation is designed to be used directly over structural
roof decks.
- It is also widely used as a separation board over existing roofs in recover installations.
In recover applications, all wet areas of the old roof must be removed. All loose
and protruding gravel must also be removed.
- Properly installed, EnergyGuard™ Perlite roof insulation is suitable for use
under built-up, modified bitumen and some single ply roofing systems.
- Refer to the current membrane manufacturer’s application and specifications manual
for proper installation procedures for perlite roof insulation.
Limitations
- EnergyGuard™ Perlite roof insulation is a non-structural, non-load bearing
material.
- EnergyGuard™ Perlite roof insulation should be stored dry and be protected
from the elements. Once properly loaded at the job site, remove factory wraps and
cover with a breathable tarp.
- No more insulation should be applied than can be completely covered with the finished
roofing on the same day.
- Do NOT use under fully adhered single ply systems or with direct torch application
of modified bitumen.
- If torch grade modified bitumen roofing is to be installed over EnergyGuard™
Perlite, a fiberglass base sheet MUST first be installed.
Code Compliance
- EnergyGuard™ Perlite complies with the requirements of ASTM Standard C728 (which
supersedes Federal Specifications HH-I-529).
- Listed by Underwriters Laboratories for use under Class A, B or C Roof Covering.
See UL, ULC Roofing Materials and System Directory for details.
Materials will have UL, ULC labels only when specified on order.
- Factory Mutual rated for fire and wind resistance. For current approvals, see current
Factory Mutual Approvals Guide.
- Is approved for use in UL, ULC Fire Resistance Roof-Ceiling Design (P&R-Designs).
Please see the UL, ULC Roofing Materials and System Directory for the latest approvals.
- Complies with the Environmental Protection Agency Regulation 40 CFR Part 248, “Guideline
for Federal Procurement of Building Insulation Products Containing Recovered Materials,”
as a recycled product approved for use on any project using federal funds.
NOTE: REPAIR ROOF LEAKS PROMPTLY TO AVOID ADVERSE EFFECTS, INCLUDING
MOLD.
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