Insufficient ventilation causing dry-rot to sub-floor of house,  in Cannon Hill, an Eastern suburb of Brisbane,

Dry-rot from insufficient ventilation to sub-floor area. Inspected and identified by Peter Weddell, owner/operator of Qld Home Buyers Inspection Service and Queensland Building Inspection Service, QBIS.

Soil levels around the house were higher than the sub-floor level, allowing seepage and ponding of water.

Insufficient ventilation causing mould and dry-rot

Mould is forming to the underside of flooring also to framing caused by inadequate sub-floor ventilation can cause serious health problems. Location: sub-floor area of a 1950’s era house.

Inadequate sub-floor ventilation, insufficient clearance between timber and soil, seepage and ponding of water causing dry-rot damage to timber.

Effects to flooring from insufficient ventilation & dry-rot

Rust marks around flooring nails caused by inadequate ventilation and water ponding to the sub-floor area of this house.

Dry-rot caused by insufficient ventilation to subfloor area of a house. Important notes:

Insufficient ground clearance and rising damp is causing dry rot to sub-floor timber of this 1950’s cavity brick house.

  • Highly likely to attract termites.
  • Further rot.
  • Potentially cause health problems with inhabitants, especially if they have existing respiratory problems.
  • These problems (along with movement) are typical for this era of house.

These serious problems (in the majority of cases) cannot be rectified effectively.

Related information:

Wikipedia Dry-rot to timber

For independent Building Inspections Brisbane in all suburbs, Qld Home Buyers Inspection Service. qbis.com.au