Air barrier and Moisture Control at Window Head and Sill

Air barrier and moisture control at window head Make the interfaces between windows, doors and skylights and wall/ceiling assemblies airtight by sealing all junctions between the polyethylene air barrier and the window, door, or skylight frame (Figures 9 and 10). Overhangs and cantilevered floors over unheated spaces or the exterior and ducts, chimney flue and […]
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Basement Window Wells

Basement Window Wells Basement windows that extend below ground level require window wells (Figure 51) to direct water away from them. Corrugated steel frames are commonly used for this purpose. When the backfill is not a granular material,the bottom of the window well should be drained by a pipe or hole 150 mm (6 in) […]
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Clear Opening Height at Doorways

(1)  Except as provided in Sentences (2) and (3), the clear opening height of doorways shall be not less than 2 030 mm high at,     (a)   exit doors,     (b)   doors that open into or are located within a public corridor, and     (c)   doors that open into or are located within another facility that […]
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Clear Opening Width at Doorways

(1)  Except as provided in Sentence (4), the clear opening width of doorways shall comply with Sentence (2) at,     (a)   exit doors, and     (b)   doors that open into or are located,              (i)   within a public corridor, or             (ii)   within another facility that provides access to exit from a suite.     (2)  Doorways described […]
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Continuity of the Air Barrier System

Continuity of the Air Barrier System (1)  Where the air barrier system consists of an air-impermeable panel-type material, all joints shall be sealed to minimize air leakage.     (2)  Where the air barrier system consists of flexible sheet material, all joints shall be,     (a)   sealed with compatible material such as tape or flexible sealant, or     […]
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Dampproof Flashing

Dampproof Flashing Precast concrete, stone masonry or brick units known as “copings” close the tops of masonry walls or act as window and door sills. These units also serve to prevent water from entering the top of the wall. If the copings are installed in sections, water may leak through the joints. A dampproof flashing […]
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Door Latching, Locking and Opening Mechanisms

Door Latching, Locking and Opening Mechanisms (1)  Principal entrance doors, exit doors and doors to suites, including exterior doors serving a house or an individual dwelling unit, and other doors in an access to exit shall,     (a)   be openable from the inside or in travelling to an exit without requiring keys, special devices or specialized […]
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