Fiberglass & Vinyl

The window material you choose will have a significant impact on the appearance of your home, as well as the performance and overall cost of your project. At Gilkey, we manufacture only fiberglass and vinyl windows. We specifically prefer them over aluminum, wood, wood/clad or wood/vinyl composites. Take the necessary time and ask questions. We have the experience and knowledge to help you make the best decision for your home.

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Vinyl Windows

Vinyl is one of the most widely used framing materials for a variety of reasons. It is essentially maintenance free, warm to the touch and economical. Vinyl however, has some inherent drawbacks if not engineered properly. Some vinyl windows are designed to last just a few years while others can last a lifetime. Gilkey’s System Boreal Vinyl windows are designed with multiple air chambers and internal walls which dramatically increase fusion welding surface area and provide exceptional sound abatement and impact resistance. This “honeycomb” design ultimately lowers the u-value (heat loss) better than traditional foam filling as the transition from hot to cold is dramatically reduced. Gilkey reinforces the sash with fiberglass increasing rigidity and long term durability.

Download our System Boreal Vinyl Brochure

Fiberglass Windows

Fiberglass is now considered the most advanced material used in the window and door industry. It does not need to be thick or bulky to provide strength and stability, so it’s ideal for windows and doors. Thinner frames mean more natural daylight. Fiberglass frames resist extreme weathering and will hold their shape no matter what season or environment. Additionally, a Fiberglass frame and its glass, will have an extremely low expansion/contraction rate so they work in harmony with each other reducing stress on seals and weather-stripping eliminating drafts. Fiberglass doesn’t conduct heat or cold so it’s an excellent insulator. More and more customers are requesting black or bronze windows which can absorb heat and soften vinyl or composite materials. Fiberglass however, will not warp or sag when exposed to the sun or extreme heat and is a great choice for dark colors. Since Fiberglass is essentially made from glass fibers, it is recyclable and considered extremely “green”.

Download our Signature Series Fiberglass Brochure
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