Showing results 1 - 100 of 357
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These folding louvered porch doors provide effective shade from low-angle east and west sunlight and can open for views; the photovoltaic panels overhead allow in filtered natural light
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2021 IECC Window Detail: Double Wall Framed with Plywood or OSB Sheathing, a WRB, and Siding (Wood, Fiber Cement, Aluminum, or Vinyl)
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2021 IECC Window Detail: Framed Wall with a WRB, Rigid Insulation, and Siding (Wood, Fiber Cement, Aluminum or Vinyl) or Stucco
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2021 IECC Window Detail: Framed Wall with Plywood or OSB Sheathing, a WRB, and Siding (Wood, Fiber Cement, Aluminum or Vinyl, or Stucco)
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2021 IECC Window Detail: Framed Wall with Plywood or OSB Sheathing, a WRB, Thick Rigid Insulation, and Siding (Wood, Fiber Cement, Aluminum or Vinyl)
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2021 IECC Window Detail: Framed Wall with Rigid Insulation and Siding (Wood, Fiber Cement, Aluminum or Vinyl)
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2021 IECC Window Detail: Framed Wall with Thick Rigid Insulation and Siding (Wood, Fiber Cement, Aluminum or Vinyl)
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2021 IECC Window Detail: Strapped 2x6 Framed Wall with Plywood or OSB Sheathing, a WRB and Siding (Wood, Fiber Cement, Aluminum or Vinyl)
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A cross-section of a vinyl-framed window showing metal reinforcement which helps support the window and prevent collapse if exposed to heat from a fire.
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A dormer with an openable window (not shown) can provide access to the roof if flood waters rise too high and too quickly; the dormer should be properly insulated, flashed, and air sealed
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A flanged window unit is installed with straps that fasten to the interior surfaces of the plywood extension box; furring strips on each side of the window will be attached after the flanged window is installed and flashed
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A Kalamazoo homeowner reduced wintertime chill, condensation, and snowblower noise by installing high-performance interior storm windows
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A metal storm panel is installed in a track permanently mounted above and below the window frame and secured with wing nuts to studs mounted on the track.
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A new high-performance window will be installed in the rough opening of this existing home
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A paint-on flashing is used around the windows and doors for seamless water protection.
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A piece of siding is used as sill extension and to provide slope in the opening for the window, which is deeper because exterior rigid foam has been added
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A tempered glass window can be identified by the “bug” or white etched label at one corner of the window.
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A thin-triple window uses a narrow interior glass pane and narrower gaps between panels often filled with krypton, rather than argon gas, to achieve triple-pane performance with an IGU that fits in a double-pane window frame
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Accordion-type hurricane shutters protect sliding glass doors from high winds and wind-borne debris.
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An energy rater will check for dry rot and moisture problems as well as air leakage around windows and doors.
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An interior shade that closes from the bottom up can work in conjunction with an exterior overhang to block lower-angle sunlight while still allowing view through the upper portion of the window that is shaded by the overhang.
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An NFRC glazing system energy performance label will report U-factor, solar heat gain coefficient, visible transmittance, and air leakage; if the window is ENERGY certified, the ENERGY STAR label will be located next to the NFRC label
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Anchorage failure in sliding glass doors due to negative pressures from hurricane force winds.
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Awnings, overhangs, and porches shield windows and doors from sun, rain, and snow in this sunny mountain locale.
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Baffles will keep insulation out of the soffit vents and wind out of the insulation in this vented attic.
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Before installing the windows, the window rough openings are sealed with a liquid-applied flashing that provides a seamless moisture and air barrier to protect the wall from water intrusion.
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Builders use an infrared camera to “see” heat flow and air leakage around a window during construction.
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Calculate projection factor (PF) by dividing overhang (A) by length of window (B).
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Casement windows or wing walls can create zones of higher pressure (right) and lower pressure (left) to encourage cross ventilation when wind is flowing parallel to window openings
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Clerestory windows bring light in from above, reflecting it off of surfaces, making it more appealing than the direct light that comes from skylights
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Closed-cell backer rod is installed for air-sealing window and door rough openings.
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Comparison of three homes showing the amount of wall insulation needed to achieve a whole-wall insulation value of R-19 when the wall has double- versus triple-pane windows
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Completed wall retrofit of masonry home (on right) showing new lap siding attached over four inches of rigid foam; windows were boxed with plywood to accommodate depth of foam plus 1x4 furring strips
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Condensation can form between the interior removable storm window and the existing window if the storm window is not air tight
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Condensation in storm windows can be prevented by air sealing around the storm window and allowing some ventilation to the outside from the original window
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Deep overhangs and porches provide midday shade for most of the windows on this home in Albuquerque, NM.
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Deep overhangs and porches shade the double-paned, argon-filled, low-emissivity windows to keep out summer sun.
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End conditions for braced wall lines with continuous sheathing, Figure R602.10.7 in the IRC
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ENERGY STAR Certification Criteria for Residential Windows, Doors, and Skylights, Version 7.0, effective 10-23-23
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ENERGY STAR offers this label for certified low-E storm windows in cool climates
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ENERGY STAR offers this label for certified low-E storm windows in warm climates
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ENERGY STAR reflective roof shingles and low-SHGC windows with low-emissivity coatings help to minimize solar heat gain.
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ENERGY STAR-rated ceiling fans and openable windows oriented to prevailing summer breezes help provide low-cost cooling.
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Even when wind is blowing parallel to a wall, an open casement window can create a zone of higher pressure near the window opening, driving airflow into the house
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Even with R-30 of insulation in the wall, its overall R-value is R-5 if it has single-pane windows; triple-pane windows bring that up to R-16
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Example sill detail of replacement window in conjunction with siding replacement
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![Exhibit 1 - DOE ZERH Mandatory Window Requirements [Revision 07].](https://basc.pnnl.gov/sites/default/files/images/Exhibit%201%20-%20DOE%20ZERH%20Mandatory%20Window%20Requirements%20%5BRevision%2007%5D.PNG)
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![Exhibit 2 - DOE ZERH Target Home Window Requirements [Revision 07].](https://basc.pnnl.gov/sites/default/files/images/Exhibit%202%20-%20DOE%20ZERH%20Target%20Home%20Window%20Requirements%20%5BRevision%2007%5D.PNG)
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Extension boxes of plywood built around the windows on this wall retrofit will be flush with the outer layer of exterior rigid insulation
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Exterior low-e storm windows were added to historic Halligan Hall on the U.S. Naval Academy campus in Annapolis, Maryland; frames were custom colored to match the existing seafoam green window trim
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Exterior shading devices such as awnings or overhangs can significantly reduce cooling loads
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Exterior shading devices such as these Bahama shutters can significantly increase the hours of safety provided by a home during an extreme heat event.
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External solar screens are an effective way to reduce solar heat gains through windows while maintaining view.
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Factory-made interior removable storm windows have a flexible silicon frame press into place to air seal and insulate the existing window.
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Failure of Roof Structure from Pressurization Due to Window Failure During a Hurricane.
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For factory-made interior removable storm windows, follow the manufacturer’s instructions for measuring the window frame
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Framing is built around the window before exterior rigid foam is installed on the exterior walls around the window.
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High-performance home builders surveyed by PNNL report several reasons for choosing triple-pane over double-pane windows