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FEMA recommends techniques like open lower wall cavities with exterior rigid foam insulation and paperless drywall for flood-resistant, dryable wall interiors.

FEMA recommends techniques like open lower wall cavities with exterior rigid foam insulation and paperless drywall for flood-resistant, dryable wall interiors.
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Fire barriers for ventilated wall cavities use thermally activated expansive materials to close off the ventilation space between the wall cladding and the sheathing during a fire while allowing air flow through the metal mesh during normal conditions

Fire barriers for ventilated wall cavities use thermally activated expansive materials to close off the ventilation space between the wall cladding and the sheathing during a fire while allowing air flow through the metal mesh during normal conditions
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Fire barriers for ventilated walls use heat activated intumescent expansive materials to close off the ventilation space between the wall cladding and the sheathing during a fire while allowing air flow through the metal mesh during normal conditions

Fire barriers for ventilated walls use heat activated intumescent expansive materials to close off the ventilation space between the wall cladding and the sheathing during a fire while allowing air flow through the metal mesh during normal conditions
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Firewall separation. Results from building corners being discontinuous with tie-beams.

Firewall separation. Results from building corners being discontinuous with tie-beams.
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Flashing at Bottom of Exterior Walls

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Flashing at bottom of exterior walls with weep holes included for masonry veneer and weep screed for stucco cladding systems, or equivalent drainage system

Flashing at bottom of exterior walls with weep holes included for masonry veneer and weep screed for stucco cladding systems, or equivalent drainage system
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Flashing at bottom of exterior walls with weep holes included for masonry veneer and weep screed for stucco cladding systems, or equivalent drainage system

Flashing at bottom of exterior walls with weep holes included for masonry veneer and weep screed for stucco cladding systems, or equivalent drainage system
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Flashing at bottom of exterior walls with weep holes included for masonry veneer and weep screed for stucco cladding systems, or equivalent drainage system

Flashing at bottom of exterior walls with weep holes included for masonry veneer and weep screed for stucco cladding systems, or equivalent drainage system
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Flashing at roof-wall intersection with CMU wall

Flashing at roof-wall intersection with CMU wall
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Flashing was done incorrectly here; the step flashing should be under the siding, there is no gutter on the lower roof, a downspout is missing, and the kickout flashing is far too small to be effective at directing water away from the wall.

Flashing was done incorrectly here; the step flashing should be under the siding, there is no gutter on the lower roof, a downspout is missing, and the kickout flashing is far too small to be effective at directing water away from the wall.
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Flexible ducts in unconditioned space not installed in cavities smaller than outer duct diameter; in conditioned space not installed in cavities smaller than inner duct diameter

Flexible ducts in unconditioned space not installed in cavities smaller than outer duct diameter; in conditioned space not installed in cavities smaller than inner duct diameter
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Flexible rubber through-wall flashing

Flexible rubber through-wall flashing
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Flood-hardy, drainable, dryable wall

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Flooded Homes: Drying Everything Out After a Flood

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Flooded Homes: Lead Paint Tips for a Flooded Home

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Flooded Homes: Wall Cleanup and Removal After a Flood

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Floodproofing

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Floor cavity air pressure is measured by placing a tube into the floor cavity through a small drilled hole

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

Floor cavity pressure is measured by inserting a tube into the floor cavity using an extension pole
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Foam holes in open-web floor trusses to completely seal the rim joist

Foam holes in open-web floor trusses to completely seal the rim joist
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Foil-faced rigid foam and spray foam can be used to insulate a basement on the interior; use good moisture management techniques to keep the basement dry

Foil-faced rigid foam and spray foam can be used to insulate a basement on the interior; use good moisture management techniques to keep the basement dry
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Form a sheet metal shield around the flue pipe

Form a sheet metal shield around the flue pipe
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Form sheet metal shield around pipe keeping 3-inch clearance

Form sheet metal shield around pipe keeping 3-inch clearance
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Formable pan flashing and back dam for window

Formable pan flashing and back dam for window