Telford's housing stock from the 1960s and 1970s new town era often contains closed-cell spray foam applied directly to rafters and masonry. Over time this traps moisture against timber, leading to rot that only becomes visible once the foam is cut away. Removal crews must work in tight roof voids typical of the semi-detached homes in Hollinswood and Ketley, using negative-air machines to keep dust from migrating into living spaces below.
Winter rainfall in Shropshire saturates loft insulation quickly once the foam is breached. Crews therefore schedule extraction during dry spells when possible, or erect temporary covers over exposed roof sections on properties near the Shropshire Canal. Older mineral-wool layers beneath the foam frequently need separate bagging because they have already absorbed years of condensation from the foam's vapour barrier effect.
Local planning rules for listed buildings in Ironbridge Gorge require that any insulation removal leaves original roof timbers untouched and fully documented. On standard Telford estates the main constraint is limited loft access through 450 mm hatches, which forces technicians to break foam into small sections rather than pulling large sheets that could damage ceiling plaster.
Electrical cables and junction boxes are commonly embedded in the foam on these properties. Each run must be traced and isolated before cutting begins, otherwise live wires can be nicked during mechanical removal and create faults that only appear after the job is finished.
Technician insight
In Telford the thing that catches most people out with insulation removal service is the sheer volume of foam that was pumped into the narrow voids of 1970s semis around Dawley and Madeley. Once you start cutting you find it has wicked right into every joint, and the winter damp here means you often uncover rot that was hidden for years.
Hidden Rot in Hollinswood Loft
Homeowner in Hollinswood reported musty smells after heavy rain. Inspection found closed-cell foam covering saturated rafters. We removed the foam in sections, exposed the rot, treated the timber and left the loft ready for new insulation.
How it works
- 1
Site Assessment
Inspect loft or wall cavities in the Telford property to map foam depth, timber condition and hidden services.
- 2
Containment Setup
Install dust barriers and negative-air filtration to protect living areas below the work zone.
- 3
Foam Extraction
Cut and remove spray foam in controlled sections, bagging waste for licensed disposal.
- 4
Surface Cleaning
Vacuum rafters and masonry, then treat any exposed timber showing early rot.
- 5
Final Inspection
Walk the void with the homeowner to confirm all foam is gone and access points are secure.
Pricing
Cost depends on property size, foam thickness and access difficulty; 24/7 availability from our Hollinswood Road base.