FSK facing provides exceptional protection and performance by combining foil scrim kraft layers into a single, efficient insulation facing solution. Whether you’re working on an HVAC system, wall insulation, or industrial equipment, FSK Insulation Facing ensures durability, energy savings, and long-term moisture protection.
FSK Insulation Facing is widely used across industrial, commercial, and residential projects where both thermal insulation and vapor control are required. Typical applications include:
Composition |
Description |
Value (English) |
Value (Metric) |
Foil |
Aluminum |
0.28 mil |
7 micron |
Reinforcing- MD |
Fiberglass |
2/ inch |
8/100mm |
Reinforcing-XD |
Fiberglass |
3 /inch |
12/100mm |
Adhesive |
Heat-resistance |
- |
- |
Kraft |
Natural |
36.6lbs / 3000 ft2 |
60gsm |
Heat-Activated Coating |
Polyethylene |
0.8 mil |
20 micron |
Physical properties |
Test Method |
Value (English) |
Value (Metric) |
Basis weight |
Scale |
23lbs / 1000 ft2 |
112gsm |
Permeance (WVTR) |
ASTM E96, Procedure A |
0.02 perm |
1.15 ng/N.s |
Tensile Strength-MD |
ASTM D828 |
31.8 lbs / In |
140 N/25mm |
Tensile Strength-XD |
ASTM D828 |
17lbs / In |
75 N/25mm |
Burst Strength |
ASTM D774 |
47.8psi |
33 N/cm2 |
Low temperature Resistance |
ASTM D1790 4 hrs @ -40℉ (-40℃) |
Remains Flexible No Delamination |
Remains Flexible No Delamination |
High temperature Resistance |
ASTM D1790 4 hrs @ +240℉ (+116℃) |
Remains Flexible No Delamination |
Remains Flexible No Delamination |
Emissivity |
ASTM E408 |
-0.03 |
-0.03 |