Showing results 1-12 of 22

Cupping of stained or clear-finished timber weatherboards

  • Thermal expansion and contraction of timber

    How to repair

  • Swelling/shrinkage due to moisture absorption 

    How to repair

  • View all repairs

Black staining on stained or clear-finished timber weatherboards

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

    How to repair

Uneven weathering of clear-finished timber weatherboards

  • Weatherboards having different levels of exposure to weather – for example, protection from eaves or verandah roof 

    How to repair

  • Stain or clear finish has little or no pigments 

    How to repair

Deterioration of weatherboard surface under clear or stain finish

  • UV light deterioration

    How to repair

  • Cracking of the clear finish resulting in: moisture penetration and timber swelling mould growth loss of adhesion and flaking or peeling of finish 

    How to repair

Cracking/flaking of film on stained or clear-finished weatherboards

Stain failure at base of timber weatherboard walls

  • Cladding covered by soil/foliage

    How to repair

  • The back surface of boards is too close to the ground, not sealed and absorbing moisture

    How to repair

  • View all repairs

Erosion of penetrating clear/stain finish on timber weatherboards

Staining from run-off from cedar or H3.2 treated pine weatherboards

  • Leachate from cedar weatherboards or treatment chemicals 

    How to repair

Splits or cracks in stained or clear-finished timber weatherboards

Stained or clear-finished timber weatherboards too close to ground