Folding Doors


Grabill’s luxury exterior folding door systems accommodate multiple panels for large expanses, creating a truly seamless transition between indoor and outdoor spaces. When closed, these premium bifold exterior doors create a formidable barrier against the elements. Door panel configurations are as specified with in-swing or out-swing operation. Folding doors are also available in aluminum clad and bronze-clad.

Wood species are project specified. Multiple wood and split species available. Grabill uses Smartwood FSC certified Mahogany and Eucalyptus and sustainable lumber when ever possible. Engineered Douglas Fir laminated cores are also FSC certified with low *VOC emissions. All of our lumber is kiln dried to a moisture content of 6-8% at the time of fabrication.

Knotty Alder, Cherry, Spanish Cedar, Mahogany, Walnut, Sapele, Douglas Fir, Teak, White Oak, Ponderosa Pine, Eucalyptus, Cypress

Grabill offers high performance glass options to meet all your requirements with concentration on energy efficiency. Glass can be triple glazed, dual low E, reflective, obscured, ultra white, self cleaning, tempered or as specified. Sound reduction, high wind, avalanche, and security glazing are all options. We also use the latest technology for our insulated glass spacer bars to ensure minimal heat transfer and dramatically reduce condensation.

Products are NFRC tested and certified to meet the most stringent energy standards.

Grabill is a leader in supplying monumental glass for residential and light commercial projects. Premium glass up to 80 square feet. Larger sizes per project requirement.

At Grabill, premium hardware is essential. Stainless steel and architectural bronze hardware are standard with specified finish options including satin nickel and oil rubbed bronze. Architectural hardware selections include AGB, Hoppe, G-U, Bronze Craft, FFI or as specified. All our hardware carries a lifetime warranty.

Our use of stainless steel components offers high resistance to corrosion even in coastal environments.

Premium bi-fold hardware can accommodate oversized units and most configurations.

Wood finishes can be shop primed, painted, or stained to your specifications with samples provided for final approval. Custom rustic aged, bleached, or antique finishes are also an option.

Grabill uses low *VOC emission paint products, when ever possible, which contain little or no toxins that pollute indoor air, and are water or latex based to decrease hazardous fumes and waste.

Retractable Screen is a perfect option for standardized sizes. Screen slides into the natural recess of the door or window frame and virtually disappears when not in use. Screen hardware offers a quite smooth operation and when not in use the screens are protected from dirt, ultra violet light and inclement weather.