Window Jamb & Sill (Masonry Veneer) Building Codes & Rules
- Window Jamb & Sill : Tools™ simplifies the National Construction Code (NCC) with interactive graphics, including deemed to comply & best practices.
Framing Overview (Timber)
Flashing Tape
Double Glazed Window
Sill Flashing
Reveal
Window Jamb & Sill (Commercial Window)
Framing Overview (Light Steel)
Sill Brick
- ≥ 5° slope
- Drip line to prevent staining
Window Head (Masonry Veneer)
Packer
Backing Rod and Sealant
Industry Recommendation, -
Storm MouldIndustry Recommendation, -
- Secure with fixings to window
- Apply Sealant to Masonry
Sarking
Brick Tie
Insulation
Stud Wall
Fall
NCC 2022 HP, 5.7.4 (3) (a)
External Masonry
NCC 2022 HP, 5.7.2 (1)
Industry Recommendation, -
Cavity Width
- 25 to 75mm clear widthNCC 2022 HP, 5.7.2 (1)
- 40mm Recommended WidthIndustry Recommendation, -
Window Jamb & Sill (Cavity Masonry)
Window Opening
Window Framing
NCC 2022 V1
NCC 2022 HP, 8.2.2
AS 2047:2014, 6.2
AS 2047:2014, 6.2
- Windows to be designed & installed to the NCC
- ≥10mm Settlement Gap to Top of the Window suiteNCC 2022 HP, 8.2.2
- Increase Gap for wider openings
- Window Size must have ± 3mm TolerancesAS 2047:2014, 6.2
- Cross Diagonal Dimension difference ≤ 4mm for Window squarenessAS 2047:2014, 6.2
NCC 2022 HP, 5.2.3
NCC 2022 HP, 8.2.2 (a)
NCC 2022 HP, 8.2.2 (b)
- ≥ 500mm Window span require Steel LintelNCC 2022 HP, 5.2.3
- ≥ 10mm Head gap from Steel LintelNCC 2022 HP, 8.2.2 (a)
- Non Load BearingNCC 2022 HP, 8.2.2 (b)
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