Showing results 1 - 50 of 119
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A site-built rafter roof with a raised top plate allows for more insulation underneath.
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After all holes through the ceiling are air-sealed and the baffles have been installed, then the insulation can be installed.
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Baffles provide an air space over the insulation to guide ventilation air from the soffit vents up along the underside of the roof deck
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Because all of the structural load is carried by the SIP roof and wall panels, no trusses are needed, allowing the home to have vaulted ceilings and open interiors throughout.
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Buried ducts are laid on the floor of a vented attic then covered with spray foam and blown attic floor insulation
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Ceiling fan meets minimum clearance
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Ceiling fans can be used to aid a night flush strategy by helping to cool down wall and floor surfaces more thoroughly at night, and by providing comfort ventilation during the day
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Ceiling joists extend out to provide very strong roof overhangs that will resist uplift pressures in high winds.
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Closed-cell spray foam insulation covers the attic floor to provide a continuous air control layer.
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Cross section showing points of reinforcement and attachment to secure the chimney to the roof and ceiling joists.
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Cut a neat hole in the ceiling with smooth edges in which the exhaust fan housing will fit snugly
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Cut-away view showing unsealed gaps around a heating duct that goes through a wall
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Dropped hallway ceiling duct chase with drywalled soffit
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Dropped hallway ceiling with drywall
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Failure in attic insulation effectiveness caused by wind washing pushing insulation away from the edges of the attic space.
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Finished raised ceiling duct chase
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Flat roof with cavity spray foam plus loose-fill insulation and gypsum board thermal barrier.
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Floor cavity air pressure is measured by placing a tube into the floor cavity through a small drilled hole
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Floor cavity pressure is measured by inserting a tube into the floor cavity using an extension pole
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Infrared imaging shows cold conditioned air pouring out of the open floor cavities under this attic kneewall into the hot unconditioned attic
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Install a continuous air barrier below or above ceiling insulation and install wind baffles.
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Install a sealed enclosure over a non-IC rated recessed light fixture to air-seal the can and to prevent insulation from touching the recessed can light.
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Install duct supports in line with ceiling trusses
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Installing air barrier above a soffit
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Installing an ENERGY STAR ceiling fan is a low-energy way to improve comfort in a designated cool room
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Key connection points for a continuous load path for earthquake and high wind disaster resistance
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Limited attic access may make it necessary to use a bore scope when inspecting for missing air barriers and insulation in existing buildings.
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Radiant barrier sheeting can be stapled to the underside of the rafters or along the inside edge of the rafters
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Raised ceiling duct chase installation technique
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Raised ceiling duct chase is not visible as finished product
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Raised heel energy trusses extend past the exterior wall and are deeper at the wall allowing room for full insulation coverage over the top plate of the exterior walls.
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Right - A “flash” seal approach with spray foam provides a continuous air barrier between the ceiling and walls of the garage and the living space.
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Right - a dropped ceiling below a taped plywood air barrier provides a service cavity for ducts and wiring.
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Right - Air barrier is present between the dropped ceiling/soffit and the attic.
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Right - Air barrier is present between the dropped ceiling/soffit and the attic.
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Right - The HVAC ducts are located in conditioned space in a dropped hallway ceiling with very short duct runs for more efficient delivery.
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Right - Wind baffle installation will allow proper insulation depth over the top plate.