A worker inspects siding for quality control

Our APA 303 series specialty siding meets the requirements of the American National Standards Institute and the Engineered Wood Association’s PRP (Performance Rated Panels) 108 and 210.

Our products adhere to strict exterior performance requirements, meeting the criteria of structural adequacy, dimensional stability, bond durability, and finish ability.

Thicknesses: 11/32″, 15/32″, 19/32″, 23/32″
Sizes: 4’x8′, 4’x9′, 4’x10′
Grades: Premium & Sound
Groove Patterns: PL SE, PL S/L, 4″, 8″, RBB

FSC Certification


Product Literature (PDF)

SDS Safety Data Sheet

APA Literature

Siding on Detail Saw