UINTAH 6 Lite Glass Window Fiberglass Double Door
The UINTAH 6 Lite Glass Window Fiberglass Double Door by Krosswood Doors is a high-performance entryway system designed to blend modern farmhouse aesthetics with the superior durability and thermal efficiency of fiberglass. Masterfully engineered with a high-density insulating core, this premium exterior double door features a highly realistic mahogany wood grain texture and twelve insulated double-pane Low-E clear glass windows (6 per door leaf) with flush glaze Simulated Divided Lites (SDL). Available as an unfinished, rot-resistant fiberglass composite unit ready for custom painting or pre-finished with a selection of US-applied wood stains, this structurally engineered double entryway provides a low-maintenance, long-lasting architectural focal point for contemporary and rustic homes alike.
Technical Specifications & Core Features
- Durability: Rot-resistant exterior-grade fiberglass composite door measuring a full 1-3/4 inches thick for maximum stability and longevity.
- Energy Efficiency: Built with a high-density insulating core that provides superior protection against sound transmission and environmental temperature changes.
- Low-E Glass Technology: Incorporates insulated and tempered double-pane Low-E clear glass windows for superior thermal performance.
- Aesthetic Profile: Features a highly realistic mahogany wood grain texture that looks and feels like real wood, complemented by a modern farmhouse flush glaze SDL (Simulated Divided Lite) design.
- Smart Home Ready: Fully compatible with most smart locks and WiFi doorbell devices. Pairs seamlessly with smart ecosystem cameras like Nest, Wyze, and Ring.
What's Included in the Quick Assemble Kit?
This door arrives knocked down in a quick assemble kit (jamb assembly required), complete with:
- Jamb & Trim: Includes a matching exterior-grade fiberglass composite kerfed jamb and matching composite fiberglass brickmould.
- Hinges: Oil-rubbed bronze exterior hinges.
- Boring: Double boreholes pre-drilled (each measuring 2-1/8 inches in diameter) for quick hardware installation.
- Threshold: Adjustable weatherproof vinyl inswing threshold.
- Weather-Stripping: High-performance weather-stripping designed to seal out drafts.
Finishing, Shipping & Warranty Information
- Finishing Requirements: To seal properly and maintain the warranty, the door requires a stain or finish applied to all 6 sides. Stained doors come in your choice of a Semi-Transparent Oil-Based Wood Stain and a clear Behr Spar Urethane topcoat.
- Shipping: Doors are safely delivered curbside to your home via LTL Freight Shipping.
- Coverage: Backed by a 1-Year Limited Warranty.
- Important Note: This product is not FBC rated.
- Installation & Technical Resources: Comprehensive, step-by-step instructions are available on our Door Resources page. Note: We recommend professional installation to ensure a proper seal and long-term performance.



















