
Profile EPS Insulation and Siding Backer
Profile™ siding backer is engineered to meet the needs of every residing project as well as every budget. Its compressive and flexural strength provide a stable backing to the new siding, creating a more solid feel.
Profile siding backer is environmentally friendly and fully recyclable. This product is constructed from inert organic materials and contains no CFC’s, HCFS’s, or formaldehyde.
Features
- Custom manufactured to match the profile of all major siding configurations
- Eliminates air infiltration
- Increases R-Value (3.85/in at 75º F)
- Corner posts and starter strips available
- Allows walls to breathe preventing mildew and rot
- Environmentally friendly
- Gives siding a solid feel
- Makes siding less susceptible to impact damage (Example: photo at right shows damage to siding without Profile Siding Backer)
- Eliminates “fish mouthing”
- Eliminates “wavy walls”

Specifications
- Density: Nominal 1.0 pound per cubic foot (test method ASTM C-303)
- Water Permeability: 5.0 perm/inch maximum, (test method ASTM E-96) not a vapor barrier
- Water Absorption: Less than 4% by volume (test method ASTM C-272)
- Flammability: Manufactured from modified Expandable Polystyrene which is treated with a fire retardant additive. This product is combustible and should not be exposed to flame or other ignition sources. This product should be installed in accordance with applicable building codes.