![]() You might have noticed we keep recommending 100 Series windows for the basement. It’s just easier to create the right conditions for a casement when you’re building a new home.Īn option to consider: 100 Series Casement Windows made of Fibrex material. Of course, this doesn’t mean a casement can’t be made shorter to work in a replacement scenario. This means it will require a fair amount of above-ground wall space or a window well to fit into a basement. We recommend it for new construction homes because it’s vertically oriented. Crank it open - it hinges on the side, like a door - to bring in lots of fresh air. ![]() ![]() It’s also one of our most energy-efficient windows since it compresses into its frame when the wind blows against it. Where it works well: This window can be sized large enough to meet egress requirements. Like an awning window, it fits well in a basement without a lot of above-ground wall space, but unlike an awning, it can be sized large enough to meet egress requirements for an emergency exit.Īn option to consider: The 100 Series Gliding Window is made of Fibrex material and is available as a replacement insert window. Where it works well: Another horizontally oriented window, a glider has two sashes that slide from side to side to open. It’s made of virtually maintenance-free Fibrex® material and available as an insert window replacement (a window that can fit inside an existing frame). It hinges from the top and opens outward so you can let in a fresh breeze in any weather - and you don’t have to worry about letting pests in if you get an insect screen with it.Īn option to consider: The 100 Series Awning Window is a great option. Where it works well: If your basement doesn’t have a lot of above-ground wall space, this window’s horizontal shape makes it a good fit. Both work well when there isn’t a lot of above-ground space due to their shapes, and a gliding window is available in sizes large enough to meet egress requirements. The worst windows leaked at about 35 mph.Īnother important takeaway: Our tests have found that even within the same brand of replacement windows, not all lines perform the same.If you’re looking to replace an existing basement window, consider awning or gliding windows. Windows that earn an excellent rating in this test can withstand simulated winds up to 74 mph, or gale-force winds. ![]() To test rain resistance, we simulate windblown rain by pelting the window with 5 gallons of water per square foot per hour. They run this test at 0° F and 70° F to evaluate whether the frames hold up even as materials contract and expand at varied temperatures. They raise the airflow velocity to 25 mph and then 50 mph and measure air leakage with a flow meter. Our previous window testing has shown that most windows stand up to simulated aging we now focus instead on how well a window can withstand the elements.Īfter installing each window in a wooden frame, test engineers seal one side and rig a specially made device that simulates wind. Check our replacement window buying guide to get more details on features and styles, and tips for dealing with an installer.įor our tests, we order 3x5-foot double-hung windows from a variety of manufacturers. Ideally, you’ll get a handful of bids, each representing a custom plan tailored to your home. Most replacement windows, regardless of type, are ordered from a window company or through a contractor. If your window frames aren’t in good condition-or if you want to change the size or shape of the opening-you’ll need this kind. In an existing house, the contractor removes the frame-as well as outside trim and sometimes siding-and makes any needed changes to the opening before installation. Inserts can be bought in stock sizes, but custom inserts offer more style and feature choices as well as a more accurate fit for better energy efficiency.įull-frame windows, also called new-construction windows, are mass-produced in standard sizes. Because it’s essentially a frame within a frame, an insert lets in a bit less light than the original window. An “insert” or “pocket” replacement window fits into your window frame there’s no need to remove molding on the inside or trim on the outside.
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