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EPS fanfold underslab insulation is a folded expanded polystyrene (EPS) insulation product designed for concrete slab applications. Each unit unfolds to cover 96 square feet (4′ × 24′)—three times the coverage of a standard 4×8 sheet—reducing handling time and seams during installation.
Fanfold panels include an attached 6-mil vapor barrier, eliminating the need to install a separate poly layer. This simplifies layout, speeds installation, and reduces the chance of gaps or misalignment beneath the slab.
EPS fanfold underslab insulation is a folded expanded polystyrene (EPS) insulation product designed for concrete slab applications. Each unit unfolds to cover 96 square feet (4′ × 24′)—three times the coverage of a standard 4×8 sheet—reducing handling time and seams during installation.
Fanfold panels include an attached 6-mil vapor barrier, eliminating the need to install a separate poly layer. This simplifies layout, speeds installation, and reduces the chance of gaps or misalignment beneath the slab.