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Cracked or broken glass in timber frames

  • Impact damage: children’s games, stones from a lawnmower, door or windows slammed shut

    How to repair

  • Imperfections in the glass, or door or window has twisted when opened

    How to repair

Aluminium joinery – pitting

  • Exposure to air-borne salt, dust or dirt 

    How to repair

  • Run-off from cement plaster/grout, CCA-treated timber, copper or lead

    How to repair

  • View all repairs

Chalking of powder-coated finish on aluminium frames

Aluminium and PVC windows – loose or missing glazing seals

Timber windows – stain failure: peeling/flaking

  • UV deterioration of the timber surface beneath the coating

    How to repair

  • Thermal expansion and contraction of the timber frame

    How to repair

  • View all repairs

Timber windows – rotted sash

Timber windows – rotted sill

  • Water sits on the sill if the slope is not sufficient to shed it 

    How to repair

  • Water is getting into the sill/jamb junction 

    How to repair

  • View all repairs

Timber windows – joints opening in sashes

  • The sash has racked (twisted), or there has been thermal expansion/contraction of the timber

    How to repair

  • There has been moisture absorption into the timber end grain if the joints were inadequately primed before installation

    How to repair

Distortion of uPVC door and window frames