DiversiFoam Steel Siding BackerBoard features a custom-fit backer board for Pro Lap D4 Steel Siding. BackerBoard features RayLite expanded polystyrene insulation, which resists water absorption and will not rot, mold or decay.
- Features 1.0 PCF RayLite EPS
- Increases impact resistance for siding
- Two squares per bag
Dimensions: Each piece is 8" x 6'
Please Note: Prices, promotions, styles and availability may vary by store and online. While we do our best to provide accurate item availability information, we cannot guarantee in-stock status and availability as item quantities are constantly changing throughout the day. Inventory last updated 12/11/2013 at 5:00am CT. Online orders and products purchased in-store qualify for rebate redemption. Rebates are provided in the form of a merchandise credit check which can only be used in a Menards store.