SALE PRICE VALID UNTIL SEPT 30, 2026
DuPont Cladmate Styrofoam Ship Lap Foam Insulation 1.5" x 2' x 8' CM20 Bundle
DuPont™ Styrofoam™ Brand CM20 Extruded Polystyrene (XPS) Insulation is a moisture-resistant, durable and lightweight extruded polystyrene foam board for interior frame wall sheathing, exterior or interior masonry wall insulation in new or retrofit construction, as well as residential basement floor slab insulation.
The closed-cell structure of Styrofoam™ Brand CM20 XPS Insulation boards helps ensure exceptional long-term thermal performance and high moisture resistance. Sized to fit snugly between wall ties, Styrofoam™ Brand CM20 XPS Insulation is also easy to handle, cut and install, helping to save time and money on the job site.1. Returns are accepted within 30 days of purchase.
2. Merchandise must be in resalable condition, clean, and in its original packaging.
3. Proof of purchase is required.
4. Returns are not accepted on non-stocking or special-order items.
With over 30,000 annual deliveries, we maintain a dedicated fleet of trucks, tractors and trailers. Nearly all our delivery vehicles are equipped with specialized equipment necessary to deliver your materials in a safe and efficient manner, whether it be in a basement, on a roof, multi-family developments or commercial job sites.