Window treatment options for insulating patio doors

Written by lee carroll
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Window treatment options for insulating patio doors
Insulate patio doors with decorative treatments to prevent thermal loss. (Waterfront Patio image by wabkmiami from

Patio doors offer an extended view of your property and quick access to your patio. However, they also allow for thermal exchange in weather extremes. In summer, the sun pouring through glass adds to your cooling costs. In winter, heat is lost to the outside, increasing your heating costs. Insulate your patio doors with decorative window treatments to help prevent thermal losses.

Self-Cling Window Film

If your doors need insulation from weather extremes but you like the look of uncovered glass, self-clinging window film does the trick. Some varieties of window film are self-adhesive. Window film is difficult to install properly because the adhesive sticks to everything it touches, including doorknobs, your hands and even itself. Self-cling window film is much more forgiving and easier to install. Window film is available with varying ultraviolet light protection and levels of insulating properties. Clear, tinted and colourful options look like stained glass. Some window film comes with the bonus of safety. If the glass is broken, this type of film holds the pieces together to keep them from falling on the floor or flying across the room, according to Entrepreneur.

Insulated or Blackout Drapes

Install heavy, insulated drapes, or blackout drapes, to keep cold out in winter and to block damaging, ultraviolet sun rays in summer, which helps keep your heating and cooling bills under control, notes Planet Green, and also protects your carpeting and furniture from the bleaching effects of the sun. The blackout or insulating lining is only part of blackout drapes and is usually opaque white or black. Decorative fabrics adorn the visible side, giving you a host of options to suit your decor, from premade to custom designed. A traverse drapery rod track gives you the freedom to open the drapes when you want the glass exposed and to close the drapes for privacy and insulation from weather extremes.

Cellular Blinds

Cellular window blinds are a newer type of blind that offers privacy and thermal insulation. Although you must raise the blinds to view the glass or see outside, closed blinds still allow filtered light to pass through. Cellular blinds are designed with rows of hollow channels that look similar to honeycomb when viewed from the side. These hollow channels, in conjunction with ultraviolet light-blocking materials, are what give cellular blinds an insulating property. Blinds are usually chosen for windows are also a good choice for insulating French doors, explains This Old House.

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