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Insulation Mat & Board · Foamglas

Foamglas Flat Block 3.5

BRAND: Owens Corning (FOAMGLAS ONE)SKU: FGL-BLK-1 SIZE
AT A GLANCE
Max temp−450°F to 900°F
FormRigid block
Thickness3-1/2", asphalt-coated
FacingNone

FOAMGLAS cellular glass flat block, 3.5" thick with asphalt coating, for tank bases, equipment flats and cold-service surfaces.

↓ SPEC SHEET (PDF)
TECHNICAL DATA
StandardASTM C552 Type II (pipe) / Type I (block), Grade 6
Thermal conductivity (k)0.29 @ 75°F
Density7.5 pcf (nominal)
Water-vapor sorption0.00 perm·in (ASTM E96); water absorption ≤0.2% by vol
Compressive resistance90 psi (capped, ASTM C165/C240)
CombustibilityNon-combustible — 100% glass, no binders (ASTM E136)
APPLICATIONS
THERMAL CONDUCTIVITY — K VS. MEAN TEMPBTU·IN/HR·FT²·°F
MEAN °F
75
200
300
400
k value
0.29
0.38
0.45
0.54
FEATURES
PACKAGING & PAIRS WITH
PackagingCartoned blocks
Handling & storageRigid but friable at edges — handle with care; keep packaged until installed
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