Masonry Durability Building Codes & Rules
- Masonry Durability Mild Arid Tools™ simplifies the National Construction Code (NCC) with interactive graphics, including deemed to comply & best practices.
Steel Durability
Steel Durability RULES
NCC 2022 V1
All Building Classes
NCC 2022 B1D4 & HP5.6.7 [2019 B1.4 & 3.3.5.12]
May 2023
- Steel to be used in construction and structurally-resistant to the NCC
R4 Durability Class
NCC 2022 V1
- 600 g/m² Hot-dip Galv
- + ≥ 50µm 2-pack Epoxy Primer
- + ≥ 200µm 2-pack High-build Epoxy, or
- 316 SS, or
- 316L SS
CMU
CMU
Roof Truss
DPC
AS 3700:2018, 5.7
AS 1720.5:2015, B6
Z275 Galvanised SteelAS 1720.5:2015, B6
AS 3700:2018, I2.7
AS 3700:2018, 5.7
AS 3700:2018, 5.7
ProtectedAS 3700:2018, 5.7
Exterior Truss Plate
Exterior
Rebar Cover
Exterior
Ties / Straps
Exterior
Ties / Straps
Exterior Masonry
Salt-resistance
AS 3700:2018, I2.7
AS 3700:2018, 5.3.5.3
Mild - AridAS 3700:2018, 5.3.5.3
- Exposure Environment > 50km from coast
- Not categorized as Industrial
AS 3700:2018, 5.7
AS 3700:2018, 5.7
AS 3700:2018, 5.7
Ground
Exterior
Built-in Steel
Exterior Mortar
Mortar DURABILITY
NCC 2022 V5
All Building Classes
NCC 2022 H1D5, HP 5.6.3, & 5.6.4
[2019 3.3.1-3.3.3, 3.3.5-3.3.6]
May 2023
- Masonry to be designed & constructed to the NCC
- Densely pack materials when measuring volume
- Use Water Thickener in accordance with Manufacturer's Instructions
- Scratch test mechanically, using a "Scratch Tool"
- ≥ 3 test areas, agreed by parties concerned
- 0.5 to 10m² area per scratch test
- Replace tip after 200 tests, keep records
- 5 measurements per test area with the average depth calculated
- Report to include
- Date of construction & location
- Test date
- Mapping and identification of each measurement
- Scratch measurements indicated individually
- Computed Scratch index per joint
AS 3700:2018, 5.7
AS 3700:2018, 5.7
- M2 Class for Clay UnitsAS 3700:2018, 5.7
- M3 Class for Calcium Silicate or Concrete UnitsAS 3700:2018, 5.7
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