Underfloor Heating Screed · Devon
Underfloor Heating Screed for Yarcombe Builds
Underfloor heating only works as well as the screed encasing it — and in Yarcombe 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 Yarcombe 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 Yarcombe jobs sit within 30 minutes of base, so site visits stay simple and pour days run to time. Yarcombe sits Exeter (24 mi), and we work the surrounding villages on the same week's diary.
Yarcombe at a glance
County
Devon
District
East Devon
Postcode
EX14
Nearest city
Exeter (24 mi)
Nearest motorway
M5 (J28, ~16 mi)
Primary A-road
A30
Local industries
agriculture, equestrian yards
Common builds
stone farmhouses, barn conversions
Typical Yarcombe use cases
- Stone farmhouses — a regular brief in Yarcombe
- Barn conversions — a regular brief in Yarcombe
- Cottage extensions — a regular brief in Yarcombe
- Occasional new-build cottages — a regular brief in Yarcombe
- Agriculture — a regular brief in Yarcombe
Underfloor Heating Screed in Yarcombe — 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 Yarcombe 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.
Specifications suited to Yarcombe 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.
Floors poured around Yarcombe
Within easy reach of Yarcombe
Proof from the Devon workload
Common Yarcombe build questions
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.
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.
When can I switch the underfloor heating on in Yarcombe?+
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 Yarcombe clients to the schedule.
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.
Why use liquid screed over UFH rather than sand-and-cement?+
Liquid screed flows around the pipes with no voids, giving 20-30% better thermal response and lower running costs than a hand-laid screed. That's why most Yarcombe UFH installers recommend it.
Yarcombe jobs reward proper site prep. We'll spec the build-up with your UFH installer, agree the pour window, and leave you a floor your tilers will thank us for.
Ready for a laser-flat floor in Yarcombe?
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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