C.H.I. Overlay Carriage Collection

Overview

Old carriage-house doors swung outward on hinges. They had heavy wood stiles and rails joined in a Z or X pattern across the face. Modern driveways and tight garages make swing-out doors impractical. But the carriage-house style is still one of the most popular looks in residential design. C.H.I.'s Overlay Carriage Collection solves this problem. It applies decorative overlays to the face of a standard sectional door. The overlays recreate the stile-and-rail look. The door still opens overhead like any other sectional.

The result is a door that reads from the street as a traditional carriage house. The overlays hold their shape through years of weather exposure. The steel base can be built with high-performance insulation, separate from the overlay work. You get the look of a wood carriage door with the performance and durability of a steel sectional.

C.H.I.'s leading model in this category is the Shoreline. It offers 24 overlay designs in Accents Woodtones finishes. It has a confirmed R-value of R-17.54 from its polyurethane insulation (polyurethane = foam injected between the steel skins). This page covers the overlay carriage category and the Shoreline as its main example. If you are comparing specific models, ask your dealer for the current lineup.

Construction and materials

Overlay carriage doors use a steel sectional base as the structural core. In the Shoreline, that base is built from 27-gauge heavy-duty steel. The panel is 2 inches thick with a two-sided construction. Both the interior and exterior faces are steel. This adds rigidity and gives the door a clean finished look on both sides.

The decorative overlays are panel pieces fixed to the exterior steel face. They are designed to move with the sectional door as it travels up and down the tracks. They do not detach or warp over time if the door is properly maintained.

Insulation: The Shoreline uses polyurethane foam injected between the two steel skins. Polyurethane bonds to both faces and fills the cavity completely. This contributes to the R-17.54 rating. R-value measures how well a material resists heat flow. A higher R-value means better insulation. The insulation layer is 1-7/8 inches thick within the 2-inch door panel.

Polyurethane insulation also reduces sound transmission. This matters in attached garages. Noise from door operation or outside traffic would otherwise carry into the house. A well-insulated door is also a quieter door.

The section warranty on Shoreline doors is limited lifetime.

Styles, colors, and window options

The overlay approach allows a wide range of visual outcomes from the same door construction.

Overlay design variations include:

• Number and placement of overlays across each section
• Single or double window rows
• Squared or arched window and overlay tops
• Z-pattern, X-pattern, and rail-only configurations depending on the model

With 24 designs available in the Shoreline, most craftsman, farmhouse, traditional, and transitional home styles can be matched with an overlay pattern. A craftsman home with square-top windows pairs well with a squared-top overlay design. A farmhouse with arched details can use a design with arched tops. The variety of patterns means you are likely to find a design that fits your home's specific character.

Finishes:

C.H.I.'s Accents Woodtones palette covers the overlay carriage category:

Walnut, Driftwood, Mahogany, Cedar, Dark Oak, Natural Oak, Carbon Oak

These are applied to the steel surface to mimic the look of stained wood. The finish holds up better than painted wood in Colorado's UV-intense, dry climate. It requires far less maintenance than a real wood carriage-house door. Real wood doors need to be refinished or repainted every few years in Colorado's climate. A steel door with a Woodtones finish does not.

Glass options:

Plain, Obscure, Tinted, Glue Chip, Seeded, Madison, Arched Madison, Faux Windows

The Faux Windows option applies the look of a divided-light window without actual glass. This gives a fully detailed appearance with maximum privacy. It is a good choice for homeowners who want the visual detail of a multi-pane window but do not want actual glass in the door.

Specifications at a glance

Feature	Detail
Design approach	Steel sectional with decorative face overlays
Base material (Shoreline)	27 ga Heavy Duty Steel
Construction (Shoreline)	2-Sided Steel, 2" thick
Insulation type	Polyurethane
R-value (Shoreline)	R-17.54
Overlay designs (Shoreline)	24
Window rows	Single or double
Top options	Squared or arched
Finishes	Accents Woodtones (Walnut, Driftwood, Mahogany, Cedar, Dark Oak, Natural Oak, Carbon Oak)
Glass options	Plain, Obscure, Tinted, Glue Chip, Seeded, Madison, Arched Madison, Faux Windows
Section warranty	Limited Lifetime
Sizes available	Confirm with dealer

Is it right for your Colorado home, and how G Brothers helps

Overlay carriage doors fit naturally into the Front Range's housing stock. Denver's older neighborhoods have many craftsman bungalows, Tudor revivals, and traditional two-story homes. A carriage-house door restores or adds character to these homes. Newer suburban communities also use traditional exterior details. An overlay carriage door fits right into those streetscapes.

The R-17.54 insulation rating in the Shoreline is a real advantage for attached garages in Colorado. Front Range winters are cold and hard. Temperatures in the Denver metro can drop well below zero in January. An attached garage door that slows heat loss reduces the thermal load on nearby rooms. It can also lower heating costs over the course of a winter. The polyurethane foam adds structural stiffness as well. This helps the door perform well through temperature swings.

The Woodtones finishes handle Colorado's climate better than real wood. At high elevation, ultraviolet radiation breaks down paint and stain faster. Steel with a factory-applied Woodtones finish holds its look far longer than a site-finished wood door. There is no repainting or restaining required every few years.

Think about the long-term maintenance comparison when you are deciding between a real wood carriage door and an overlay steel door. A wood door may cost less upfront in some cases. But over ten or fifteen years, the cost of refinishing adds up. A steel door with a Woodtones finish requires far less ongoing maintenance and holds its appearance longer.

G Brothers Garage Doors serves the Denver metro and surrounding communities. They are a local dealer and installer. The team gives free estimates. They can show you overlay design options and finish samples. They handle all installation details, including spring calibration for the door's specific weight. The Shoreline is heavier than an uninsulated door. Correct spring tension is important for smooth operation and long spring life.

G Brothers knows the local climate. They know how cold winters and strong UV affect door finishes and hardware. They spec the right spring weight for each door and check the balance after every install. A balanced door puts less stress on the opener and lasts longer. They also carry replacement parts for the doors they sell, so service calls can be handled quickly without waiting for special orders.

Service and warranty support are available after the install. If a spring breaks or the door needs a tune-up, a local technician is available to help fast. Contact G Brothers to start with a free estimate.