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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

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House is draughty

Tiling around showers, baths – sign of water leaks

Timber floorboards, particleboard or plywood springy

Timber floorboards, particleboard or plywood squeaking

Timber floorboards – borer

Timber floorboards joints opening

  • Flooring has shrunk because: the timber was wet at installation the flooring is subject to high heat such as from sunlight through north-facing windows or a central heating system that maintains a high indoor temperature and low internal moisture level the timber has become drier after floor insulation has been installed central heating has been recently installed the floor has been finished with polyurethane which glues the boards together, and shrinkage when it occurs create wider gaps at every third or fourth board  

    How to repair

Timber floorboards cupping

  • Cupping occurs because boards are drier on one side than the other resulting in uneven shrinkage so cupping may be due to boards swelling if the moisture levels of internal spaces are higher than the moisture content of the boards

    How to repair

Timber floorboards – tongues of T&G boards exposed

  • Too much sanding of cupped or damaged boards to remove cupping or damage 

    How to repair

Timber floorboards, particleboard or plywood flooring rotten

  • High subfloor moisture levels 

    How to repair

  • Cladding leak

    How to repair

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Concrete floor slab – random cracking in exposed slab

  • Shrinkage cracking if concrete slab is not kept sufficiently wet during the curing process 

    How to repair

  • No or an insufficient number of shrinkage control joints (saw cuts) in the floor slab

    How to repair

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