Showing results 151 - 200 of 578
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Chimneys and roof valleys are flashed with metal flashing that is integrated with roof shingles.
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Clifton View Homes employs a SIP precision construction system consisting of structural insulated panels that come to the site precut for quick assembly, providing a continuous thermal blanket around the home.
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Climate-specific features include bug- and moisture-resistant concrete block construction and borate-treated interior framing; a hurricane-resistant spray-foamed hip roof; and ventless roof soffits to keep out wind-driven rain.
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Closed-cell foam is sprayed into roof cavities along the masonry parapet wall to form a continuous air barrier between the wall and the sheathing of the flat roof
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Closed-cell spray foam fills the roof joist cavities forming an air barrier between the masonry parapet wall and the roof sheathing
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Commercially available “roof hatch” products provide an openable access to the roof for maintenance and emergency egress that meets code dimensional requirements
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Composition shingle roofing system showing sheathing and hot-mopped underlayment
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Continuous L-metal flashing integrated with underlayment at roof-wall intersections
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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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Detail of an unvented cathedralized attic showing air-impermeable spray foam insulation plus batt insulation installed on the underside of the roof deck.
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Drifting of snow led to heavy accumulation between the gables which required snow removal to reduce risk of roof collapse
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Ductwork located in a vented attic is subject to high attic temperatures and significant heat gain through the walls of the ducts
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During high wind events, high localized areas of negative pressure (“suction”) occur above roof membranes
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During high wind events, sloped roofs and flat roofs experience higher uplift forces than flat roofs with parapets
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During high wind events, vortices form along the edges of the roof creating areas of localized negative pressure (“suction”) above the roof
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End wall failure under hurricane force winds due to inadequate bracing of the gable end wall.
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ENERGY STAR reflective shingles cover the roof, which is ideally angled for solar panels.
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Example A of a gable truss and gable end wall bracing for a home in a hurricane region
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Example B of a gable truss and gable end wall bracing for a home in a hurricane region
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Example of a truss bracing requirement tag that some truss manufactures place strategically onto the truss to remind installers
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Example truss bracing for resisting wind loads as determined by design software used by truss manufactures
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Examples of many common ceiling penetrations that will be difficult to insulate and air seal in this cathedral ceiling.
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Examples of Related Projects that Can be Done while Conducting a Roof Replacement or Bathroom Remodel
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Existing flat roof and wood-framed walls are retrofitted with a new fully adhered air barrier membrane plus polyisocyanurate rigid foam insulation and a roofing membrane water control layer
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Existing low-slope (“flat”) roof and brick masonry walls with a new fully adhered air barrier membrane plus polyisocyanurate rigid foam insulation and a roofing membrane water control layer
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Existing wall-to-lower roof transition retrofitted with a new strip of fully adhered air control transition membrane, new step flashing, new roof underlayment, and new cladding
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Existing wall-to-lower roof transition with a new strip of fully adhered air control transition membrane, new step flashing, new roof underlayment, and new cladding – view from eave
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Existing wall-to-lower roof with attic transition with a new strip of fully adhered air control transition membrane, new step flashing, new roof underlayment, and new cladding – view from eave
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Failure of "S" tile roofing in high winds due to bond failure between mortar and tiles.
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Failure of barrel tile roofing due to bond failure between underlayment, mortar, and tiles during a hurricane.
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Failure of extruded concrete flat tile roofing due to bond failure between tile, mortar, and underlayment resulting from hurricane force winds.
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Failure of Roof Structure from Pressurization Due to Window Failure During a Hurricane.
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Flat roof with cavity spray foam plus loose-fill insulation and gypsum board thermal barrier.
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For houses with solar photovoltaic roof panels, any potential shading structure should be twice as far away from the photovoltaic array as it is tall.