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Structural Lumber & Plywood
Structural Lumber
& Plywood

Channel-Ex Safterwood fire retardant pressure impregnated joist, stud, and structural sheathing products for interior application (compliant to ASTM E84 & CAN/ULC S102) have advantage over competitor fire treated products.

Product features

  1. Interior rated fire retardant products uses the same chemical as weather and humidity resistant exterior rated products.
  2. Therefore compared boron based fire rated fire retardant wood products, it is far less likely for firmly cell-bonded fire retardant chemical to leach out by rain during construction or condensation post construction.