Case studies
Real projects, measured results.
A look at recent spray cork, conservatory and render projects across the South East — costs, timelines, and what we actually achieved for the customer.
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Conservatory Roof Insulation
Victorian conservatory turned all-year living space
Sweltering in summer, freezing in winter — a layered insulation system and internal cork finish made this Croydon conservatory usable 12 months a year.
Croydon, South London · 22 m² roof · Jul 2025
Cracked Render Repair
Failing render saved — no full re-render needed
Two competing quotes recommended stripping the entire render. We bridged the cracks with flexible cork — half the cost, twice the lifespan.
Tunbridge Wells, Kent · 210 m² · May 2025
Internal Cork Wall Insulation
45% air-permeability reduction in pre-1919 Edinburgh end terrace
Wheatley Group needed to make a cold, uninsulated pre-1919 end terrace comfortable for tenants — without losing valuable internal space. Just 6 mm of SprayCork plus a 2 mm plaster skim delivered a 45% reduction in air permeability, independently tested by RTRFIT.
Wardie Square, Edinburgh · Internal exterior-facing walls · May 2025
Industrial Spray Coatings
Industrial unit re-clad without downtime
Aging cladding on a logistics hub refreshed and thermally upgraded while operations continued — no shutdown, no scaffolding circus.
Gatwick, Surrey · 900 m² · Mar 2025
Interior Wall Coatings
Persistent internal damp resolved in a Brighton flat
Cold-bridge condensation kept returning behind wardrobes despite two anti-mould paint jobs. Internal cork stopped it for good.
Brighton, East Sussex · 38 m² · Feb 2025
Asbestos Encapsulation
Asbestos garage roof encapsulated, not removed
Safe, certified encapsulation of a cement asbestos roof — a fraction of the cost of licensed removal and disposal.
Reigate, Surrey · 28 m² · Nov 2024
External Cork Wall Coatings
1930s semi nearly doubles heat-retention time after spray cork retrofit
A 1930s solid-brick semi monitored with HomeLINK IoT sensors for 12 months pre- and post-retrofit. SprayCork nearly doubled the property's heat-retention time, dropping heat-loss risk from high to medium/low across every monitored room.
York, North Yorkshire · Full external elevations · Aug 2024
Spray Cork Exterior Wall Coatings
Cracked render saved with SprayCork in East Molesey
A solid-wall home in East Molesey suffering from cracked render was repaired, sealed and thermally upgraded with CorkSol SprayCork in 'Frost' — delivering a uniform, low-maintenance finish backed by a 25-year warranty.
East Molesey, Surrey · Full elevations · Jun 2024
Internal & External Cork Wall Insulation
Sheffield vicarage gets 24% lower U-value with combined internal & external SprayCork
Independently tested by Build Test Solutions, SprayCork delivered a 24% U-value improvement and 28% lower air permeability on a heritage stone vicarage — without hacking off existing wall substrates or losing historic internal features.
Mortomley Vicarage, Sheffield · Whole exterior + treated internal rooms · Jun 2024
Commercial Cork Coatings
Church House Westminster: heritage commercial refurb with sprayed cork
Architects ScottWhitbyStudio specified CorkSol SprayCork for the major refurbishment of Church House, Westminster — improving thermal performance and acoustics across communal meeting and office spaces, while keeping waste out of landfill.
Westminster, London · Multi-phase, multi-level walls & ceilings · Sept 2023
Internal Cork Wall Insulation
Thin internal wall insulation cuts heat loss by 30% in 1890s stone cottage
An 1890s solid-stone Yorkshire cottage with cold walls, condensation and mould was thermally upgraded with just 6 mm of SprayCork — independently U-value tested under ISO 9869-1:2014, delivering a 30.4% reduction in heat loss through the wall.
Halifax, West Yorkshire · Full external walls · Mar 2021
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