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Terms in this set (372)
The structure is closed in quickly, allowing the
Tight to the weather
building to begin drying for interior finish work.
Provides temporary protection from rain until the
Roofing Underlayment
finish roof covering is installed.
Installed first, from the low point of the roof upward.
Roofing Underlayment
Overlapping in shingle fashion prevents water from
Installation
running underneath.
Roofing Underlayment Traditional building felts or newer synthetic sheet
Materials materials.
Eaves Components Drip edge, fascia, soffit, ventilation strip, gutter.
Rakes Components Rake board, fly rafter.
Components include gutters and downspouts, which
Roof Drainage collect rainwater at roof edges and conduct it away
from the building foundation.
Removes moisture from leaks or condensation,
Ventilated Roofs reduces roofing temperatures, and reduces the risk of
ice damming in cold climates.
Soffit vent, gable vent, ridge vent, roof 'mushroom'
Vent Types
vents.
Unvented Roofs Ventilation is not required when insulation is
Requirement positioned above the roof sheathing.
, Improves air-tightness, reducing energy losses when
Unvented Roofs Benefit sufficient air-impermeable insulation, like spray foam,
is installed directly below the sheathing.
Examples include asphalt composition shingles, split
Roof Covering Materials wood shakes, sawn wood shingles, concrete tile, clay
tile, sheet metal.
Wall Water-Resistive Installed after framing and sheathing, or may be
Barrier (WRB) delayed until after windows and doors are installed.
Asphalt-saturated paper, building felt (installed
WRB Materials shingle-fashion), or synthetic wraps (wider rolls, better
air-tightness).
Moisture-resistant but usually permeable to moisture
WRB Properties
vapor ('breathable').
Allows moisture within the wall to diffuse outward,
WRB Function
facilitating wall drying and preventing accumulation.
Air- and Water-Resistive Barriers that are continuously adhered, providing the
Barrier (AWB) greatest resistance to air leakage.
Liquid-applied, self-adhering sheets, or factory-
AWB Forms
applied to sheathing panels.
Flashings (Windows & Waterproof membranes or layers that capture water
Doors) within the assembly and direct it back to the exterior.
Flashings Installation Sill flashings, window, jamb flashings, head flashings.
Order
Sheet metal, plastics, rubberized asphalt, liquid-
Flashings Materials
applied.
An important flashing that captures water in window
Sill Pan
and door openings.
Installing Doors and Steps include flashings, door frame, shims, finish sill,
Windows Sequence exterior and interior casing.