Showing results 1 - 50 of 60
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A braced water heater is attached to a raised platform that is anchored to the floor
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A gut rehab that includes drywall removal provides the opportunity to thoroughly insulate the walls.
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A masonry chimney is reconstructed to withstand seismic forces by adding an insert to the existing firebox
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A masonry chimney is reconstructed to withstand seismic forces by completely retrofitting the firebox and chimney using light-frame construction on the top of the foundation
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A masonry chimney is reconstructed to withstand seismic forces by maintaining the current firebox but replacing the chimney section with a metal flue and light-weight chimney enclosure.
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A masonry chimney is shortened and capped at roof level to reduce its chances of detaching in high winds or earthquakes; the fireplace can no longer be used.
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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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Add metal connectors to strengthen framing connections in an existing wall from inside the home by removing drywall.
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Air leaking through the home's envelope wastes a lot of energy and increases energy costs.
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An anchor side plate is used to connect the concrete foundation to the sill plate from the exterior as part of a seismic retrofit when the sill plate is not accessible from the interior of the home
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Chimney retrofit includes metal strap reinforcement at different levels of the home
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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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Correct seismic retrofit hardware for securing the sill plate to foundation wall
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Detail for reinforcing a cripple wall to resist earthquake movement by installing anchor bolts and plywood reinforcement.
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Examples of Related Projects that Can be Done while Conducting a Roof Replacement or Bathroom Remodel
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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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For seismic retrofit of crawlspace with posts and piers, add cross bracing to posts; add cross bracing and solid blocking between floor joists
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How to reinforce a chimney to resist earthquakes and high winds – side and top views.
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In this exterior wall retrofit of a masonry brick home, first the brick was covered with a fluid-applied water and air control layer (white), then 2x4 furring strips and two layers of rigid foam insulation, then 1x4 furring strips to attach cladding to
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Incorrectly done seismic retrofit, the plywood sheathing is not nailed to the mud sill and therefore it is not providing any shear strength
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Insulation was added to the walls and ceiling of this existing home from the inside as part of an extensive retrofit to avoid replacing original 1-inch shiplapped sheathing.
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Joist straps or hangers and metal connector plates can reinforce a post-and-pier foundation against seismic movement
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Masonry wall interior retrofit with fluid-applied water control layer and wood-framed wall with cavity insulation (climate zones 1-4 only)
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Masonry wall interior retrofit with fluid-applied water control layer, mineral wool rigid foam, and wood or metal stud service cavity (climate zones 1-4 only)
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Masonry wall interior retrofit with fluid-applied water control layer, spray foam, and wood or metal stud service cavity
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Masonry wall interior retrofit with parge coat, fluid-applied water control layer, mineral wool rigid foam, and wood or metal stud service cavity (climate zones 1-4 only)
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Masonry wall interior retrofit with parge coat, fluid-applied water control layer, rigid mineral wool, wood-framed wall with cavity insulation, smart vapor barrier, and wood or metal service cavity
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Masonry wall interior retrofit with parge coat, fluid-applied water control layer, spray foam, and wood or metal stud service cavity
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Masonry wall interior retrofit with parge coat, fluid-applied water control layer, wood-framed wall with cavity insulation, smart vapor barrier, and wood or metal service cavity
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Modern Low-E storm windows are typically kept up year-round but can be removed without damage to the existing window frame, an important consideration for historic preservation projects
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Plan view of exterior masonry brick wall retrofitted with furring strips, three layers of rigid mineral wool insulation staggered and taped at the seams, and topped with metal hat channel providing a ventilation gap surface to nail under the lap siding
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Retrofit an existing roof by installing rigid foam above the roof deck with a ventilation space between the rigid foam and the new roof sheathing plus new moisture and air control layers and cavity insulation in the roof rafters.
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Right – Retrofit Specification for installing roof sheathing an 18-inch gable end overhang
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Right – This HVAC condensing unit is elevated on a raised-slab
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Side and plan views of window-to-wall interface in masonry wall retrofit including three layers of rigid foam exterior insulation, box extensions, and flashing around new windows.
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Step 1. Remove the existing wall cladding to prepare to retrofit an exterior wall.
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Step 2. Install a continuous air and water control layer over the existing wall sheathing.
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Step 3. Apply urethane sealant around the duct or pipe in the retrofitted exterior wall.
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Step 4. Install insulating sheathing and vertical furring strips on the retrofitted exterior wall; seal around pipe or duct with urethane sealant.
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Step 5. Install sheathing tape flashing over the duct or pipe and wood blocking on either side for later attachment of trim.
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Step 6. Install vent hood trim block, metal cap flashing; seal top edge of flashing with sheathing tape.
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The addition of low-E permanent exterior storm windows is typically accepted for most historic preservation projects