PRODUCT DATA SHEET
FGL- · REV 1 · Jul 2026
Pipe Covers · Foamglas
Foamglas Pipe Cover
BRAND: Owens Corning (FOAMGLAS ONE)SKU FAMILY: FGL-1 STOCKED SIZE
Fabricated cellular glass pipe insulation — closed-cell, all-glass, impermeable to water and vapor. Ideal for cryogenic through 900°F service and CUI-critical systems.
AT A GLANCE
Max service temp−450°F to 900°F
FormPre-formed pipe
Thickness range1-1/2" (stocked)
FacingNone
StandardASTM C552
TECHNICAL DATAPER MANUFACTURER
| Standard / specification | ASTM C552 Type II (pipe) / Type I (block), Grade 6 |
| Thermal conductivity (k) | 0.29 @ 75°F |
| Density | 7.5 pcf (nominal) |
| Water-vapor sorption | 0.00 perm·in (ASTM E96); water absorption ≤0.2% by vol |
| Compressive resistance | 90 psi (capped, ASTM C165/C240) |
| Combustibility | Non-combustible — 100% glass, no binders (ASTM E136) |
APPLICATIONS
- Cryogenic and low-temperature piping
- Hot oil and hot process lines
- Underground/direct-buried systems
- Corrosion-under-insulation (CUI) mitigation
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 |
STOCKED SIZES & SKUS1 SIZES
| SKU | NOM. SIZE | WALL / 2ND |
|---|
| FGL-400-150 | 4" | 1.5" |
FEATURES
- −450°F to 900°F service range
- Zero water-vapor permeability
- Non-combustible and non-absorbent
- High compressive strength
- Dimensionally stable
PACKAGING & HANDLING
| Packaging | Cartoned fabricated half-sections |
| Handling & storage | Rigid but friable at edges — handle with care; keep packaged until installed |
CONTRACTORS ALSO ORDER
Polyguard Insulrap 30Foster 95-44 ElastolarChilders CP-70Aluminum Jacketing
Data shown is nominal and per the manufacturer's published literature; verify against the current submittal and SDS before specifying. Sun City Energy Supplies stocks to spec, fabricates to size, and returns quotes the same business day. Informational only — not a warranty of fitness for a particular purpose.