Where: Arizona Product: AquaFir™ soffit and ceiling in brown with smooth texture in cedar. Product Use: 1×6 shiplap with 1/8” reveal Montana Timber Products is a specialty wood products manufacturer of rustic, modern and contemporary wood siding, interior accents, reclaimed wood, and barn wood alternatives. Our ranchwood™, AquaFir™, Artisan, Charwood™, and Corral Board product lines offer a full selection of exterior and interior wood materials. All the products can be used for residential and commercial application. We ship directly to the job site from our mill.