Foil Scrim Kraft Faced Insulation consists of multiple layers for optimal performance:
1. Aluminum Foil Layer (18u): Reflects heat and serves as a radiant heat barrier.
2. Fiberglass Scrim (5x5mm spacing): Adds strength and durability, preventing damage during installation.
3. Kraft Paper Layer: Acts as a vapor barrier, reducing moisture problems in the wall cavity and improving thermal resistance.
The multi-layer construction makes Foil Scrim Kraft Insulation highly effective at maintaining consistent indoor temperatures while controlling moisture levels, which is especially crucial in high-humidity environments.
Foil Scrim Kraft Faced Insulation is ideal for a variety of building applications, including:
| 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 | 
| 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 |