ESP produces ESP Low-E Reflective Insulation and Slab Shield Insulation. Low-E is produced from nontoxic polyethylene foam heat-laminated between two surfaces of 99.4% pure aluminum facings. Low-E resists all three types of heat transfer - convection, conduction, and radiation. Low-E also provides a full vapor barrier with sound-deadening properties. Slab-Shield insulation was designed specifically for use under concrete slabs. Slab Shield provides a vapor barrier and significant thermal performance in one user-friendly product. It has a layer of closed-cell polyethylene foam applied to both sides of a reflective layer. Low-E Tab can be used between joists.
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Product R-values are published
Company website lists distributors
Has specific info available on radiant applications