EPS Unfaced Insulating Panels, including Roofing and Perimeter Wall Insulation


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Unfaced, Non-structural EPS Panels
While unfaced (no laminate) EPS panels have many uses, the majority of PermaTherm's unfaced panels are utilized in roofing or perimeter wall applications where a metal laminate is not required.

Roofing Applications may call for EPS flat sheets or tapered roofing sheets as depicted in the image below. Or holeyboard (EPS sheets with rows of penetrating holes) may be required for a lightweight concrete application.

Roofing Insulation EPS roof insulation products offer the design versatility to meet a wide range of job conditions. Equally suited to new construction and re-roofing applications, EPS insulation products provide the greatest R-value at the lowest cost in both asphaltic built-up and single-ply membrane roofs.

EPS Perimeter Insulation in Foundation Applications

Foundation Insulation With its outstanding resistance to moisture absorption, EPS insulation provides dependable, long-term performance for interior and exterior foundation applications. EPS density, strength and thickness can be specified to meet loading and thermal requirements. Block masonry applications may be supplemented with EPS loose fill placed in the masonry cores for even greater R-values.

Sub-slab Insulation: Long term R-value of EPS ensures effective thermal insulation for on grade concrete floors. Substantially reduces downward heat loss.

Exterior Perimeter Foundation Walls: EPS may be attached with spot adhesive. Above-grade EPS insulation should be covered with a suitable protective exterior coating.

Interior Foundation Walls: Suitable for heated crawl spaces and basement areas. Supplements batt insulation between floor joists. Apply a suitable vapor.