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FOAMULAR® 400 High-Strength XPS Insulation

FOAMULAR® 400 is engineered for heavy-load applications with 40 PSI compressive strength. Used in plaza decks, inverted roofing assemblies, cold storage floors, and commercial under-slab installations where thermal performance must coexist with significant structural loads. Available in R-5 through R-20. Authorized Owens Corning® distributor.

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FOAMULAR® NGX™ 400 1 in. x 2 ft. x 8 ft. R-5 Squared Edge XPS Rigid Foam Board Insulation
R-5
1 in × 2 ft × 8 ft
XPS40 PSINGX

FOAMULAR® 400 — 1 in. R-5 x 2 ft. x 8 ft.

R-Value
R-5
Size
1 in
Price
$21.36
Details
FOAMULAR® NGX™ 400 2 in. x 4 ft. x 8 ft. R-10 Squared Edge XPS Rigid Foam Board Insulation
R-10
2 in × 4 ft × 8 ft
XPS40 PSINGX

FOAMULAR® 400 — 2 in. R-10 x 4 ft. x 8 ft.

R-Value
R-10
Size
2 in
Price
$85.42
Details
FOAMULAR® NGX™ 400 3 in. x 4 ft. x 8 ft. R-15 Squared Edge XPS Rigid Foam Board Insulation
R-15
3 in × 4 ft × 8 ft
XPS40 PSINGX

FOAMULAR® 400 — 3 in. R-15 x 4 ft. x 8 ft.

R-Value
R-15
Size
3 in
Price
$128.13
Details
FOAMULAR® NGX™ 400 4 in. x 4 ft. x 8 ft. R-20 Squared Edge XPS Rigid Foam Board Insulation
R-20
4 in × 4 ft × 8 ft
XPS40 PSINGX

FOAMULAR® 400 — 4 in. R-20 x 4 ft. x 8 ft.

R-Value
R-20
Size
4 in
Price
$170.84
Details