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Subfloor – damp stains on underside of flooring

  • Leaking water or waste pipe 

    How to repair

  • Overflow or leak from wet area fixtures such as bath, shower, handbasin, dishwasher, clothes washer, hot water cylinder

    How to repair

  • View all repairs

Subfloor – deterioration of the underside of particleboard flooring

Subfloor – mould areas on underside of flooring

  • Damp subfloor space and/or lack of ventilation

    How to repair

  • Leaking water or waste pipe 

    How to repair

  • View all repairs

Subfloor – timber decay

  • Damp subfloor space, lack of ventilation

    How to repair

  • Leaking water or waste pipe; overflowing or leaking from wet area fixtures such as bath, shower, handbasin, dishwasher, clothes washer, hot water cylinder

    How to repair

  • View all repairs

Subfloor – no insulation

  • Insulation was not a requirement when the house was built; insulation was required but never installed; the insulation has fallen out; the insulation has been blown out by wind

    How to repair

Subfloor – poorly installed insulation

  • Insulation was incorrectly installed, with gaps and spaces, or has been damaged by tradespeople

    How to repair

  • Wind damage

    How to repair

Pole foundations – water damage to underside of flooring

Interior musty smells

  • There is a high level of moisture in the rooms due to a combination of poor ventilation, not enough heating, and/or poor insulation

    How to repair

  • Dampness from the subfloor is getting into the rooms through gaps in the flooring and through service holes cut in framing

    How to repair

  • View all repairs

House is draughty

Pole foundations – underside of flooring visible

  • Damage to or missing subfloor insulation, or no subfloor insulation was installed originally 

    How to repair

Tiling around showers, baths – sign of water leaks

Timber floorboards, particleboard or plywood springy