The Foil Scrim Kraft Facing (FSK Facing) is a high-performance insulation facing material designed for HVAC and construction applications requiring strong vapor barrier and thermal insulation properties. Made with 18µ aluminum foil, 2-way scrim (5x5mm spacing), and a heat-activated polyethylene backing, this foil scrim kraft laminate provides excellent durability, flexibility, and cost-effectiveness for industrial and building insulation systems.
Its aluminum foil layer delivers superior radiant heat reflection and moisture resistance, while the Kraft paper and scrim reinforcement enhance tear strength and dimensional stability. The heat-activated backing allows for easy in-line lamination without additional adhesive, ensuring efficient installation and a clean finish.
The exceptional performance of this insulation facing makes it widely applicable across commercial and residential sectors:
Choosing our FSK Foil ensures long-term performance and efficiency for your insulation system:
|
Composition |
Description |
Value (English) |
Value (Metric) |
|
Foil |
Aluminum |
0.72 mil |
18 micron |
|
Reinforcing- MD |
Fiberglass |
1/5 inch spacing |
5mm spacing |
|
Reinforcing-XD |
Fiberglass |
1/5 inch spacing |
5mm spacing |
|
Heat-Activated Adhesive |
Polyethylene |
1 mil |
25 micron |
|
Physical properties |
Test Method |
Value (English) |
Value (Metric) |
|
Basis weight |
Scale |
17 lbs / 1000 ft2 |
83 gsm |
|
Permeance (WVTR) |
ASTM E96, Procedure A |
0.02 perm |
1.15 ng/N.s |
|
Tensile Strength-MD |
ASTM D828 |
17 lbs / In |
75 N/25mm |
|
Tensile Strength-XD |
ASTM D828 |
17 lbs / In |
75N/25mm |
|
Burst Strength |
ASTM D774 |
50.8psi |
35 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 |
-0.05 |
-0.05 |