Pole foundations – rusted fixings

Cause

Exposure to air-borne salt, dust or dirt; trapped moisture and dirt

Repair

  • remove and replace fixings with minimum hot-dip galvanised fixings for brackets and bolts, and stainless steel fixings for joist hangers and nail plates 

Cause

Copper-based timber treatments reacting with the metal of fixings

Repair

  • remove and replace fixings with minimum hot-dip galvanised fixings for brackets and bolts, and stainless steel fixings for joist hangers and nail plates 

Cause

Inadequate corrosion protection for the environment/location

Repair

  • remove and replace fixings with minimum hot-dip galvanised fixings for brackets and bolts, and stainless steel fixings for joist hangers and nail plates 

Cause

Damp subfloor space, lack of ventilation

Repair

  • remove and replace fixings with minimum hot-dip galvanised fixings for brackets and bolts, and stainless steel fixings for joist hangers and nail plates