Timber deck posts – rot at base
Listed under: Exterior, timber and wood-based, timber, decks, durability, rot
Cause
The timber treatment was not adequate for the location
Repair
- temporarily support the structure then cut the rotten section off the base of the post; bolt-fix the shortened post to a stainless steel post bracket set into a concrete footing
- replace the rotten post with an H5-treated timber post fixed to a stainless steel post bracket set into a concrete footing
Cause
An H4 timber post was encased in concrete or in ground contact at the base
Repair
- temporarily support the structure then cut the rotten section off the base of the post; bolt-fix the shortened post to a stainless steel post bracket set into a concrete footing
- replace the rotten post with an H5-treated timber post fixed to a stainless steel post bracket set into a concrete footing
Cause
Moisture was trapped at the base of the posts
Repair
- temporarily support the structure then cut the rotten section off the base of the post; bolt-fix the shortened post to a stainless steel post bracket set into a concrete footing
- replace the rotten post with an H5-treated timber post fixed to a stainless steel post bracket set into a concrete footing
Cause
The timber is at the end of its serviceable life
Repair
- temporarily support the structure then cut the rotten section off the base of the post; bolt-fix the shortened post to a stainless steel post bracket set into a concrete footing
- replace the rotten post with an H5-treated timber post fixed to a stainless steel post bracket set into a concrete footing
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