Owens Corning FOAMULAR R-1 Extruded Polystyrene Fanfold Underlayment Insulation, 1/4 in. x 4 ft. x 50 ft., Square Edge CALI Vinyl Pro use a compatible wall base

use a compatible wall base adhesive and follow manufacturer instructions

Easy Installation: Installs with polyurethane-based construction adhesive for a secure fit

42 sq ft Number of Pieces 120 (across 12 bags) Pack Size 12 bags Product Weight 27

it includes a 25‑year limited residential warranty

architectural legs keep the piece light while concealing a wealth of storage

Owens Corning FOAMULAR R-1 Extruded Polystyrene Fanfold Underlayment Insulation, 1/4 in. x 4 ft. x 50 ft., Square Edge CALI Vinyl Pro use a compatible wall baseFOAMULAR R 1 1 4 in. Fanfold XPS Underlayment Lightweight, moisture resistant XPS fanfold underlayment designed for re siding and sheathing applications. The 1 4 in. thick, 4 ft. x 50 ft. board delivers R 1 thermal performance and folds for fast coverage and easy handling. Key Features: Moisture Resistant XPS: Retains R value even after exposure to water. Easy Handling & Install: Fanfold design cuts and scores simply; no special tools required. Re