Simpson Doors | Mountain States Building Products

Crafting solid wood doors by hand since 1912.

Simpson® Door Company provides a wide range of options for exterior doors, interior doors, and custom doors. Their wood door products are known for their excellent quality and are suitable for both exterior and interior applications.

With Simpson, you can select from their diverse collections and series of wood doors that can complement almost any architectural style. They offer over twenty different wood species, each with its own unique characteristics such as Oak, Fir, Maple, Cherry, Alder, Cypress, Cedar, Birch, Mahogany, Bamboo, and many more. The grain patterns and colors of these wood species vary, adding texture, warmth, and personality to your doors. Additionally, Simpson also offers the option for custom wood species.

Simpson Door Company Colorado Front Range

A Diverse Range of Styles to Fit Your Budget

Simpson offers hundreds of door styles, glass options and caming choices that fit any style and budget:

Mastermark® Collection Exterior Doors
Artist Collection® Exterior Doors
Craftsman Collection Exterior Doors
Bungalow Series® Exterior Doors
Builder’s Advantage® Series Exterior Doors
Selects Series Exterior Doors
Advent® Collection Exterior Doors
Traditional Exterior Doors
Exterior French Doors and Exterior Sash Doors
Exterior Simulated Divided Lite (SDL) Doors
Performance Series® Exterior Doors
Interior Panel Doors
Interior French Doors
Lumicor® Resin Interior Panel Doors
Fire Rated Doors
Encore® Interior Doors
Ovation Interior Doors
Redi-Prime® Interior Doors

Customize Your Fit

Any Wood

Select the wood species that’s right for you. Choose from an array of species, from traditional to exotic, each meeting their strict grading standards.

Acrylic Options

Lumicor® provides the panel and Simpson does the rest. Choose from natural, textile or industrial materials to design the perfect look.

Privacy Rating

Simpson’s privacy rating will help you select glass that works for you.

Any Size

Simpson doors come in all shapes and sizes. Select your size up to 10 feet tall, 6 feet wide and 21⁄4″ thick.

Caming Choices

From silver to black to brass, opt for the style of caming—commonly referred to as “leading”—that best complements your style.

WaterBarrier® Technology

Upgrade your exterior door with WaterBarrier® technology. It offers a 5-year warranty with no building overhang required.

Glass Options

Pick from tempered glass or acrylic panel (interior doors only). Do you want an abundance of natural light, or glass with greater privacy? Simpson has an option that suits your needs.