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Pipe Covers · Fiberglass

Fiberglass ASJ

BRAND: Johns ManvilleSKU: FG-3 SIZES STOCKED
AT A GLANCE
Max temp850°F
FormPre-formed pipe
Thickness1-1/2" (stocked); 1/2"–3" available
FacingASJ (all-service jacket) with self-sealing lap

Pre-formed fiberglass pipe insulation with factory-applied all-service jacket (ASJ) and self-sealing lap for mechanical and process piping from 0°F to 850°F.

↓ SPEC SHEET (PDF)
STOCKED SIZES3 SIZES
TECHNICAL DATA
StandardASTM C547 Type I, Class 3
Thermal conductivity (k)0.23 @ 75°F
Flame / smoke25 / 50 (ASTM E84 / UL 723)
Water-vapor sorption≤5% by wt (ASTM C1104)
CombustibilityPlain: non-combustible (ASTM E136); jacketed: limited-combustible, 25/50
APPLICATIONS
THERMAL CONDUCTIVITY — K VS. MEAN TEMPBTU·IN/HR·FT²·°F
MEAN °F
75
200
300
400
500
k value
0.23
0.28
0.34
0.44
0.55
FEATURES
PACKAGING & PAIRS WITH
PackagingCartoned 3 ft sections with self-sealing lap
Handling & storageKeep dry; store indoors; do not stand sections on end
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