Underfloor Heating Screed · Devon
Underfloor Heating Screed for Lynton Builds
Underfloor heating only works as well as the screed encasing it — and in Lynton 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 Lynton 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 Lynton jobs sit within 30 minutes of base, so site visits stay simple and pour days run to time. Lynton sits Barnstaple (18 mi), and we work the surrounding villages on the same week's diary.
Local facts that shape every Lynton pour
County
Devon
District
North Devon
Postcode
EX35
Nearest city
Barnstaple (18 mi)
Nearest motorway
M5 (J27, ~58 mi)
Primary A-road
A39
Local industries
upland farming, holiday lets
Common builds
granite cottages, farmhouse conversions
Underfloor Heating Screed in Lynton — 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 Lynton 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.
Who this is for in Lynton
Lynton sits rural — barn conversions, self-builds, agricultural sheds, equestrian floors. Access is usually fine, but power and water on site need confirming up front. We do that at the site visit.
Materials and systems we use in Lynton
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 Lynton
Proof from the Devon workload
Common Lynton build questions
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.
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.
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 Lynton?+
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 Lynton clients to the schedule.
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.
Do you fit the UFH pipes yourself?+
We work alongside your chosen UFH installer rather than fitting pipes ourselves — most Lynton jobs come with a heating sub-contractor already lined up, and we coordinate dates with them.
Other areas we cover near Lynton
Pin down a date for your Lynton pour, and we'll handle the rest — pump, mix, lay, level, protect, hand over.
Coverage across EX35
From Lynton to the surrounding villages, we keep the radius tight so logistics stay simple.
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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