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Extira MDF


Extira™ is a panel product that resists moisture, rot and termites and offers excellent performance in exterior environments. Can be used for virtually any non-structural paint grade application, including exterior millwork, door and window parts, signage, garage doors and other architectural components, as well as high moisture interior environments. Extira panels have a 5-year warranty, unprecedented in the product category.

Moisture Resistant: As measured by ASTM D1037 for water Absorbtion and thickness swelling

Rot Resistant: As measured by AWPA E-10 standard method of testing wood preservatives by laboratory sol-block cultures.

Features & Benefits

Technical DateImperialMetric
Density48 lb/ft3769 kg/m3
Modulus of Rupture3,600 psi24.8 MPa
Modulus of Elasticity385 psi2654 MPa
Internal Bond140 psi965 kPa
Screw Holding: Face305 lbf138 kgf
Edge280 ibf127 kgf
Thickness Swell2%

Average physical properties for 3/4” panel when tested in accordance with ASTM D1037.