Showing results 1-5 of 5

Black staining on stained or clear-finished timber weatherboards

  • Mould growth on timber surface; occurs most commonly on south-facing walls

    How to repair

Ceiling joists sagging

Timber board or plywood ceilings – black staining of timber

Wall framing location is visible

  • Condensation forming on the areas between the framing because the wall is not insulated – mould growth is the result of regular condensation

    How to repair

  • Mould is forming on the framing locations because a thermal bridge (framing has lower thermal performance than the insulated part of the wall)

    How to repair

Timber boarding, veneered MDF or plywood – black staining