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Fiberglass & Composite Garage Doors

Get to Know

Strong and Lightweight

Complete your garage with unique and durable materials that come in an array of styles such as wood composite, foam-injected, and many more.

Composite and Fiberglass Doors Give the Wood Look Without the Upkeep

These doors put a molded wood-grain face over an insulated steel core. From the street they read as stained cedar or mahogany. Up close they never rot, swell, crack or need refinishing.

Owners who want wood but not the maintenance. Real wood at 7,000 feet needs recoating every few years. Composite and fiberglass hold their finish for the life of the door.

Second homes and cabins. Nobody is around to maintain a door in Promontory or Midway in February. A composite door does not care.

HOAs and design review boards that require a wood appearance. Composite overlays are molded from real wood boards and pass review where a plain steel door would not.

South- and west-facing doors. Heavy sun fades and checks real wood. Fiberglass and composite skins are UV-stable and keep their color.

Carriage house and mountain-lodge designs. Overlay doors carry the crossbucks, planks, chevrons and trim boards those styles need, with modern overhead operation.

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Built for the Wasatch Back

This is the material we recommend most often for Park City and Heber homes that want a wood look. It handles the three things that destroy real wood in the mountains: UV, moisture and temperature swing.

UV at altitude. Sun at 7,000 feet is stronger than in the valley and fades stain fast. Composite and fiberglass skins are pigmented through the material and factory finished, so the color holds for years instead of seasons.

Snowmelt and freeze-thaw. Water sitting at the bottom section is what rots a wood door. Composite overlays are moisture-resistant and will not swell, delaminate or split when it freezes overnight.

Insulation. A 4- or 5-layer polyurethane door reaches R-18 to R-20, the highest of any door style we install. That matters for heated garages and rooms over the garage.

Weight. The overlay adds weight over a plain steel door. We size springs, track and openers for it so the door runs smoothly in cold temperatures year after year.

No refinishing. A real cedar door in Promontory needs recoating every two to four years. A composite door needs a wash.

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Design Options

These are starting points. If the look you want is not here, bring a sketch or a photo and we will draw it.

Style. Carriage house with crossbucks, planks and trim boards. Horizontal plank or chevron for mountain modern. Louver and metal-inlay designs for contemporary homes. Full-view glass with a composite frame.

Wood grain. Cypress, mahogany, cedar, pecky cypress and oak patterns, molded from real boards.

Finish. Factory stains from whitewash to walnut and dark. Solid colors including black, slate and white. Two-tone: one color on the steel base, another on the overlay. Custom match to your siding or timber stain.

Windows. Arched, square or rectangular lites in clear, obscure, seeded or insulated glass. Decorative faux windows for a carriage look without glass.

Hardware. Strap hinges, handles and ring knockers in black or stainless. Or none, for a clean plank door.

Openers. Belt-drive or wall-mount openers sized for the heavier door, battery backup, and smart controls for second-home owners.

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Brands We Install, and When We Build Custom Instead

Monarch is not tied to one factory. We carry seven manufacturers, so the right composite or fiberglass door is never limited to a single catalog.

Stock and semi-custom. Clopay Canyon Ridge and Coachman for composite overlays, Wayne Dalton 8680 for fiberglass, Amarr Classica and Carriage Court for overlay carriage house designs. If one of these already does what you want, we install that. It is faster and costs less.

Fully custom. If no door on the market matches the drawing, we design the overlay pattern, finish and window layout and have it built to spec by one of our manufacturing partners. Matching an existing cedar siding pattern, oversized openings and non-standard overlay layouts all go this route.

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How We Build a Composite or Fiberglass Garage Door

Custom does not mean vague. These are the options we draw from on every composite and fiberglass door. Anything outside this list, we design and have built by one of our manufacturing partners.

Construction	Composite overlay: 4 layers (steel, insulation, steel, composite overlay) or 5 layers with full composite cladding under the overlay. Fiberglass: wood-grain fiberglass skin fused to a steel frame over a foam core.
Face material	Moisture-resistant composite molded from real wood boards, or embossed fiberglass. Both are factory stained or painted. Neither rots, warps or cracks.
Core	Polyurethane foamed in place between two steel skins; polystyrene on entry-level models
Insulation	R-6.5 (polystyrene) to R-18.4 to R-20.4 (polyurethane with full composite cladding). Fiberglass lines R-11 to R-12. U-value as low as 0.15.
Door thickness	1 3/8 in. or 2 in. steel base; overlay adds 5/8 in. or more depending on design
Wood species emulated	Cypress, mahogany, cedar, pecky cypress and oak grain patterns
Finish	Factory stain in walnut, medium, dark, whitewash and slate tones; solid paint including black; custom color match. Base steel and overlay can be finished in two different colors.
Designs	Carriage house with crossbucks and trim boards, plank, chevron, louver, metal-inlay modern, full-view with composite frame
Windows	Clear, obscure, seeded or insulated glass in arched, square and rectangular layouts; decorative faux windows available
Hardware	Decorative hinges, handles and ring knockers in black or stainless; heavy-duty springs sized for the added overlay weight (10,000-cycle standard, 25,000-cycle upgrade)
Wind load	Reinforced versions available where required
Warranty	Depends on the manufacturer. Steel base doors carry lifetime limited warranties; composite overlays and finishes typically carry separate multi-year terms.

Frequently Asked Questions

How much does a fiberglass or faux wood garage door cost?+

Price depends on the construction (4-layer or 5-layer), the overlay design, the finish, windows, hardware and size. A full-cladding composite door with custom stain costs more than a fiberglass door in a stock finish, and both cost less than real wood over the life of the door once refinishing is counted. We give a firm price after the site visit, with no obligation.

What is a faux wood garage door made of?+

An insulated steel door with a wood-look face. Composite doors use overlay boards molded from real wood and bonded to the steel. Fiberglass doors use an embossed fiberglass skin fused to the steel frame. Both are factory stained or painted.

Fiberglass or steel?+

A fiberglass door is a steel door underneath. The fiberglass skin adds a deeper, more realistic wood grain than embossed steel and will not rust at the surface. Plain steel is lighter and less expensive. If you want the wood look, choose fiberglass or composite; if you want flush modern, choose steel.

Are fiberglass and composite doors insulated?+

Yes. Fiberglass lines run R-11 to R-12. Composite overlay doors with a polyurethane core reach R-18, and 5-layer doors with full cladding reach R-20, the highest of any door we install.

How durable is a faux wood garage door in the mountains?+

Composite and fiberglass faces are UV-stable and moisture-resistant. They do not rot, swell, warp or crack through freeze-thaw cycles, and the factory finish holds its color in high-altitude sun. The steel core gives the same dent resistance as a three-layer steel door.

Can you paint a fiberglass or composite garage door?+

Yes, but you rarely need to. The factory stain or paint is designed to last the life of the door. If you want a new color later, both materials take exterior paint well after a light scuff and primer. We recommend ordering the right finish up front; the manufacturers offer custom color matching.

Can I replace just the faux wood panels?+

Often, yes. Sections on composite and fiberglass doors are replaceable individually if one is damaged, as long as the model and finish are still in production. We handle section replacement and matching across Park City, Heber and Salt Lake.

Can I get a faux wood carriage house door?+

Yes. Carriage house is the most common design in this category. Crossbucks, trim boards, arched windows and strap hardware are all molded or applied over the insulated steel base, and the door opens overhead like any sectional door.

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