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Table of Maximum Fenestration U-Factor Requirements for New Homes as Listed in the 2009-2021 IECC and IRC

Table of Maximum Fenestration U-Factor Requirements for New Homes as Listed in the 2009-2021 IECC and IRC
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Tape down housewrap head flap

Tape down housewrap head flap
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Tape flashing around windows helps to keep moisture out of the framed walls.

Tape flashing around windows helps to keep moisture out of the framed walls.
Case Study:

Technology Solutions Case Study: Combustion Safety for Appliances Using Indoor Air

Case Study:

Technology Solutions Case Study: Field Testing an Unvented Roof with Asphalt Shingles in a Cold Climate

Case Study:

Technology Solutions Case Study: Field Testing an Unvented Roof with Fibrous Insulation and Tiles

Case Study:

Technology Solutions Case Study: Idaho, Oregon, and Washington Manufactured Home Builders

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Tempered glass windows usually have an etched marking on the glass in the corner of the window that includes the supplier's name, place of fabrication, date manufactured, thickness, and certifications or safety standards the glass meets.

Tempered glass windows usually have an etched marking on the glass in the corner of the window that includes the supplier's name, place of fabrication, date manufactured, thickness, and certifications or safety standards the glass meets.
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The 12-inch-thick double walls provide plenty of space for insulation.

The 12-inch-thick double walls provide plenty of space for insulation.
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The 2-foot extended-width overhang on the left allows more wintertime solar heat gain to this west-facing window than the 2-foot side fin on the right (results shown for west-facing window, mid-winter, 36N latitude)

The 2-foot extended-width overhang on the left allows more wintertime solar heat gain to this west-facing window than the 2-foot side fin on the right (results shown for west-facing window, mid-winter, 36N latitude)
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The 2-foot overhang on the left performs better than the 2-foot vertical fin on the right for providing shade in the summer and solar heat gain in the winter (results shown for west-facing window, 2pm, 36N latitude).

The 2-foot overhang on the left performs better than the 2-foot vertical fin on the right for providing shade in the summer and solar heat gain in the winter (results shown for west-facing window, 2pm, 36N latitude).
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The 8-foot deck/overhang on the left provides better summer shading than the 2-foot extended-width overhang, which performs better than the 2-foot window-width overhang, which performs better than the 2-foot vertical fin (late summer, 36N latitude)

The 8-foot deck/overhang on the left provides better summer shading than the 2-foot extended-width overhang, which performs better than the 2-foot window-width overhang, which performs better than the 2-foot vertical fin (late summer, 36N latitude)
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The 8-foot-deep west-facing overhang on the left provides much better shading late in the day than the 2-foot-deep overhang on the right (results shown for west-facing window, late summer, 36N latitude).

The 8-foot-deep west-facing overhang on the left provides much better shading late in the day than the 2-foot-deep overhang on the right (results shown for west-facing window, late summer, 36N latitude).
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The addition of low-E permanent exterior storm windows is typically accepted for most historic preservation projects

The addition of low-E permanent exterior storm windows is typically accepted for most historic preservation projects
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The Attachments Energy Rating Council (AERC) uses this label to indicate certified low-E storm window products.

The Attachments Energy Rating Council (AERC) uses this label to indicate certified low-E storm window products.
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The climate where you live influences which low-e storm window product is best in your location, so every ENERGY STAR certified storm window has a label with a map to indicate which part of the country that product is designed for.

The climate where you live influences which low-e storm window product is best in your location, so every ENERGY STAR certified storm window has a label with a map to indicate which part of the country that product is designed for.
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The Climate Zone Map for the ENERGY STAR Window, Door, and Skylight Specification

The Climate Zone Map for the ENERGY STAR Window, Door, and Skylight Specification
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The design of this home incorporates multiple methods to reduce summertime solar gains including roll-down exterior blinds, wide exterior horizontal louvers, minimized east/west-facing windows, and vegetation.

The design of this home incorporates multiple methods to reduce summertime solar gains including roll-down exterior blinds, wide exterior horizontal louvers, minimized east/west-facing windows, and vegetation.
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The DOE Efficient Window Coverings website identifies twelve categories of interior window shading attachments.

The DOE Efficient Window Coverings website identifies twelve categories of interior window shading attachments.
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The double-wall construction results in thick window sills which builder market as an architectural feature.

The double-wall construction results in thick window sills which builder market as an architectural feature.
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The Efficient Window Coverings website allows direct comparison of various window attachment types based on thermal, visual, functional, and installation and durability criteria.

The Efficient Window Coverings website allows direct comparison of various window attachment types based on thermal, visual, functional, and installation and durability criteria.
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The fluid-applied asphalt coating provides a weather-resistant, moisture resistant layer around the house, serving as a continuous drainage plane and flashing for window and door openings.

The fluid-applied asphalt coating provides a weather-resistant, moisture resistant layer around the house, serving as a continuous drainage plane and flashing for window and door openings.
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The light-colored exterior roll-down shades on this building, and the shaded entryway provide very effective control of solar heat gain

The light-colored exterior roll-down shades on this building, and the shaded entryway provide very effective control of solar heat gain
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The metal head flashing over the window trim angles out slightly to provide a drip edge so rain water will drop away from the window instead of rolling down onto the window trim.

The metal head flashing over the window trim angles out slightly to provide a drip edge so rain water will drop away from the window instead of rolling down onto the window trim.