Council homes, Crawley: walls, brickwork and loft in one programme
A semi-detached house split into two flats, both occupied by tenants. The survey found failed fibre insulation, rubble in the cavity, ivy on the elevations, around 150 spalled bricks, and a poorly insulated loft. Refilling the cavity without fixing the wall first would have been a waste of time.
- 146m² of cavity wall treated
- ~150 spalled bricks replaced
- Stormdry masonry protection applied
- Loft upgraded to 300mm with raised boarding
- Occupied tenanted property — work completed without decant
What the survey found
Failed fibre cavity insulation across 146m² of wall. Rubble in the cavity on the front and rear elevations. Ivy on the front and side elevations. Around 150 spalled bricks. Repointing needed on every elevation. An 88m² loft with inadequate insulation.
What we did
Our surveyor recommended scaffolding and a full package of work rather than just a refill. We removed the ivy, replaced the spalled bricks on the gable wall and repointed. We applied Stormdry masonry protection to the gable wall. We extracted the old fibre and refilled with ThermaBead bonded beads. In the loft, we extracted the old insulation and fitted 300mm of new insulation, eaves vent trays, raised loft boarding, and a 150mm Celotex-insulated, draught-proofed loft hatch. The team completed the main contractor's site induction and signed in daily at the welfare unit.
Why it matters
Refilling a cavity behind damaged, porous brickwork just moves the damp problem. Fixing the wall first is what makes the new insulation last.
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