Problem & Repair Guide

    Hairline Cracks Reopening in Plaster in Swindon

    Fine cracks that reappear in the same place after every repaint, usually above doorways, at ceiling-wall junctions, or along a plasterboard joint.

    Swindon spans Victorian railway terraces in Old Town, interwar semis around Rodbourne and Park North, and large modern estates at Wichelstowe and Tadpole Garden Village. Solid-wall terraces and fast-built modern plaster fail in completely different ways, so the right remedy depends heavily on which era of Swindon housing you are standing in.

    07361 638870

    Why cracking plaster happens

    Normal seasonal movement in the structure, a plasterboard joint that was taped poorly, or a rigid filler used where the surface needs to flex.

    It sits between Highworth (about 6 miles NE), Marlborough (about 12 miles S) and Cirencester (about 17 miles N).

    How we diagnose it on site

    1. 1

      Rake the crack open lightly — a crack in the skim only is cosmetic, one that continues into the background needs investigating.

    2. 2

      Check whether the crack tracks along a board joint or follows a diagonal from a corner of an opening.

    3. 3

      Watch whether it widens seasonally, which points to movement rather than a poor repair.

    The repair process we use in Swindon

    1. 1

      Open the crack out slightly so filler has something to key into rather than sitting on the surface.

    2. 2

      Dust out, then fill with a flexible filler or scrim and skim where the crack is on a board joint.

    3. 3

      Sand flat with a dustless sander so the repair reads level in raking light.

    4. 4

      Spot-prime the repair, then coat the full wall or ceiling for an even finish.

    Products we specify

    • Toupret Fibacryl or a flexible acrylic filler for moving cracks
    • Self-adhesive scrim tape plus easi-fill for board joints
    • A stain-block primer where old repairs have flashed through

    How long it takes

    A room of typical hairline cracking adds around half a day to a standard repaint.

    How we price it

    Crack repair is normally within the prep allowance, unless the ceiling needs re-scrimming or overboarding.

    Stopping it coming back

    Use a flexible filler on known movement cracks and always prime repairs before the finish coats.

    directly on the M4 with the A419 linking north to Cirencester and the A420 east to Oxford

    Recent work near Swindon

    Kitchen cupboards refreshed — interior painting project in Swindon (near Royal Wootton Bassett), Wiltshire
    Kitchen cupboards refreshed — Swindon
    Interior walls — bold colours — interior painting project in Swindon (near Royal Wootton Bassett), Wiltshire
    Interior Painting detail, Wiltshire

    Cracking plaster in Swindon — FAQs

    Are hairline cracks a structural problem?

    Usually not. Fine cracks in skim are normal seasonal movement. Cracks that widen, step diagonally, or run through brickwork should be looked at by a surveyor.

    Why do my cracks keep coming back?

    Almost always because a rigid filler was used on a surface that still moves, or the crack was skimmed over without being opened up first.

    Can you fill cracks without repainting the whole wall?

    You can, but the repair will usually show as a difference in sheen. We normally recoat the full wall or ceiling.

    Get cracking plaster looked at properly in Swindon

    We survey the cause before quoting the fix — no painting over problems. NVQ Level 3, reviewed on Checkatrade, professional.

    Call 07361 638870
    Call Gareth