Siding and Trim

Montana Timber Products has a wide variety of siding and trim options available to fit your needs. Four product lines (ranchwood™, AquaFir™, Charwood™, and Corral Board), dozen of colors, six standard profiles, and five textures give you endless possibilities. Often our customers will accent their building with the use of complementary colors in selected areas or use a contrasting color to accent the trim. If you are looking for a natural wood siding will be able to you achieve your dreams.

You will find many photo galleries throughout the site to help you find that perfect look.


Looking for that old weathered timber but need a product that has consistent width, structural integrity, and a NO VOC finish? We think you’ll appreciate our Barn Series Timbers. Sourced from kiln dried #2 & Better- Box Heart, #1 & Better- Free of Heart Center, and Glulam Beams, we manufacture our timbers in a variety of dimensions (up to 24”x 24”) and lengths (up to 50’). Our Barn Series Timbers are designed, in texture and finish, to complement our other exterior and interior product selections. Our Timbers also present an excellent solution for rustic fencing, trellis, or other outdoor living space areas.

The many galleries throughout will assist you in your venture to find just the right look and feel.


Searching for that rustic interior selection, but can’t seem to find it in the exact dimensions or color? Our interior accent product line may be the perfect fit for you. Commonly utilized for interior wainscot, wall and ceiling panel material, casement, beams, posts, as well as window and door trim, our rustic appeal brings character to the interior of your space. Our texture, profile, and color selections provide an excellent menu from which you can choose.

Spend some time viewing the interiors of the many beautiful homes gathering ideas in our many photo galleries.


High performance and long lasting. Seal-Once™ seals wood surfaces for up to 10 years and performs exceptionally well against moisture ingress while reducing fungal and microbial attacks by diminishing the available moisture. The advanced technology of Seal-Once™ penetrates surfaces up to 3/8 of an inch to form a superior barrier within the surface, and is the ideal application for long term protection. Add the eco-friendly water based NO VOCs features and Seal-Once stands out above the crowded wood sealant market.