Underfloor Heating Screed · Devon
Underfloor Heating Screed for Barnstaple Builds
Underfloor heating only works as well as the screed encasing it — and in Barnstaple that means a high-thermal-conductivity liquid pour that wraps every pipe with no voids.
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Underfloor heating only works as well as the screed encasing it — and in Barnstaple that means a high-thermal-conductivity liquid pour that wraps every pipe with no voids.
The screed self-levels around every loop, eliminating the voids you get under hand-laid traditional screed. That means the floor responds faster when the heating calls for it, and stores less wasted heat.
Most of our Barnstaple jobs sit within 30 minutes of base, so site visits stay simple and pour days run to time. Barnstaple sits Barnstaple, and we work the surrounding villages on the same week's diary.
Underfloor Heating Screed in Barnstaple — how it works
Liquid UFH screed lets you run a thinner build-up than traditional bays — useful when ceiling heights or threshold levels are tight in Barnstaple renovations.
We pour Cemfloor Therm liquid screed over your UFH pipes at 50mm above pipe (typically 65-75mm total over insulation), giving full pipe encapsulation, fast thermal response and a finished surface flat to SR1.
What we plan around in Barnstaple
County
Devon
District
North Devon
Postcode
EX31/EX32
Nearest city
Barnstaple
Nearest motorway
M5 (J27, ~42 mi)
Primary A-road
A361 / A39
Local industries
independent retail, market-town hospitality
Common builds
Georgian townhouses, stone cottages
Where liquid screed earns its keep in Barnstaple
- Georgian townhouses — a regular brief in Barnstaple
- Stone cottages — a regular brief in Barnstaple
- Small new-build estates — a regular brief in Barnstaple
- High-street shop retrofits — a regular brief in Barnstaple
- Independent retail — a regular brief in Barnstaple
Floors poured around Barnstaple
How a Barnstaple pour runs
- 1
UFH installer fits manifold, pipes and pressure-tests to 6 bar
- 2
We confirm edge insulation, DPM and pipe coverage depth
- 3
Pump and level the screed with pipes still under pressure
- 4
Slow commissioning of the heating — usually after 7 days, ramping per manufacturer spec
- 5
Floor coverings once moisture is signed off and commissioning is complete
Proof from the Devon workload
Adjacent areas — usually same-week diary
Specifications suited to Barnstaple builds
Cemfloor Therm
Liquid screed engineered for UFH — lambda 2.1 W/mK, fast response.
PIR/Phenolic insulation board
70-150mm typical depending on build regs U-value target.
Edge insulation strip
Critical around UFH zones to allow thermal expansion.
Pressure-testing kit
Pipes held at 6 bar through the pour to flag any damage immediately.
Common Barnstaple build questions
Will the screed crack as the UFH heats up?+
Properly isolated at the edges and at doorway joints, no. We pour with the pipes pressure-tested and follow a controlled commissioning schedule.
Does liquid UFH screed improve EPC ratings?+
Indirectly — yes. Faster response and lower running temperatures help heat-pump COP, which feeds into your SAP/EPC. We'll share the manufacturer data your assessor needs.
What depth of screed over UFH pipes do you recommend?+
Minimum 50mm cover above the highest pipe — usually a 65-75mm total slab over insulation. Thicker if you want more thermal mass.
What if a pipe leaks during the pour?+
Pipes are held at 6 bar through the pour. Any pressure drop is flagged immediately and we stop, fix and continue — this is exactly why we keep the manifold under test.
When can I switch the underfloor heating on in Barnstaple?+
On Cemfloor Therm we typically start a slow commissioning cycle from day 7, ramping 5°C per day per manufacturer spec. Forcing it earlier risks cracking, so we hold Barnstaple clients to the schedule.
How does this affect my floor coverings in Barnstaple?+
Once commissioned and the floor moisture content is signed off (CM test, typically below 0.5% for tile), most coverings go down as normal. We hand you a commissioning record.
Ready for a laser-flat floor in Barnstaple?
Send us the floor area, build-up and target dates — we'll come back with a fixed quote and a date.
Ready to get a price?
Tell us the rough size and location — we'll come back with a fixed quote today.
Or call our landline on 01392 237700
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