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Cornerstone
The Cornerstone garage door model by Martin Door is a favourite among homeowners looking for enduring strength and style for their home. Engineered using 24-gauge steel, the Cornerstone garage door is available in a variety of panel styles, colours, and window configurations to complement any style of home.
Product Specs
Construction
- 24 gauge steel
- 4-section 7’ high
- Steel + Insulation + Vinyl with an R-value of 8
- Steel + Insulation + Steel with an R-value of 8
- Steel + 2 Insulation Layers + Steel with an R-value of 14
- Innovative window design provides proper wood grain direction and exact colour match
- Industry standard tongue and groove joint
- Steel-Framed windows with insulated glass
- Long-lasting steel paint finish
Features
- Martin safety joint helps protect fingers and hands from serious injury
- Long-lasting and durable powder coat finishes
Options
- Optional wide centre style available
- Wood grain finishes are available in Walnut, Ash or Natural
- Choose from the following panel colours: White Mist, Light Almond, Dark Brown, and Desert Taupe
- Choose from the available steel paint colours: White Mist, Light Almond, Dark Brown, Desert Taupe, Adobe Stone, Silver, and Bronze
- Available in acrylic or tempered glass and in Classic or Steel-Framed windows
- Outside T-handle lock available in Chrome, Brass, or Black
Brochure
Highlights
Material | Steel |
Price Range ? $50-$500 = $ All costs are based on a 7' height. Costs vary by location and are for supply only; installation is extra. | $$$$ |
Insulation Value ? R0-R6 = 1 star | ★★ |