TYPE 1 <18m ≤4 storeys Timber structure
TYPE 2 18m-30m ≤15 storeys Timber structure
TYPE 3 18m-30m ≤15 storeys Hybrid structure
TYPE 4 >30m >15 storeys Hybrid structure
30m 30m
30m 30m
30m 30m
30m 30m
30m
30m
30m
30m
30m
30m
30m
30m
30m
30m
30m
30m
18m 18m
18m 18m
18m
18m 18m
18m
18m
18m
18m
18m
18m
18m
18m
18m
18m
18m
18m
18m
DURABILITY INTERVENTIONS
Roof to minimum 1:40 falls
End grain sealant applied post machining of panels
Taped joints
GF timber ≥150mm FFL to external walls, above FFL to internal walls
Construction phase water management strategy
Install membrane to top face of CLT floors System leak detection (water mains pressure) Localised moisture detectors near timber structure in high risk area Localised moisture detectors in timber Ground level concrete/steel podium Change to lightweight timber frame in high risk areas External down pipes or down pipes in concrete structure
Services in higher durability zones
Alternative material to roof slabs
Example Buildings
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