WISA^®-Roof

WISA-Roof is a plywood panel with strength-oriented construction designed for load-bearing roofing sub-structures. The product is made of spruce veneers bonded together with weather-resistant glue. The product has a surface treatment that protects against discolouration and mould growth if exposed in high-humid conditions during construction. The unsanded face improves grip and safety, and tongue‑and‑groove long edges make installation easy.