Underfloor Heating Screed · Dorset
Charmouth Underfloor Heating Screed Specialists
Across Charmouth we work hand-in-hand with UFH installers — they lay and pressure-test the pipes, we pour around them the next day at the right depth and thermal performance.
Coverage across DT6
From Charmouth to the surrounding villages, we keep the radius tight so logistics stay simple.
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Across Charmouth we work hand-in-hand with UFH installers — they lay and pressure-test the pipes, we pour around them the next day at the right depth and thermal performance.
Liquid UFH screed lets you run a thinner build-up than traditional bays — useful when ceiling heights or threshold levels are tight in Charmouth renovations.
Most of our Charmouth jobs sit within 30 minutes of base, so site visits stay simple and pour days run to time. Charmouth sits Exeter (27 mi), and we work the surrounding villages on the same week's diary.
Who this is for in Charmouth
Charmouth is a coastal town, so damp control, salt exposure and tight winter pour windows shape every brief. We work the diary around that — and around the holiday-let turnover that funds half the jobs here.
DT6 access, routes and logistics
County
Dorset
District
West Dorset
Postcode
DT6
Nearest city
Exeter (27 mi)
Nearest motorway
M5 (J25, ~24 mi)
Primary A-road
A35
Local industries
Jurassic Coast tourism, hospitality
Common builds
fossil-coast cottages, holiday lets
Underfloor Heating Screed in Charmouth — how it works
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.
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.
What to expect on pour day in Charmouth
- 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
Latest jobs across Dorset
Materials and systems we use in Charmouth
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.
Charmouth-area service radius
Charmouth screed questions, answered
Can you screed over wet UFH and electric UFH?+
Yes — Cemfloor Therm encapsulates both. Electric mat systems usually take a thinner cover; wet pipes need the 50mm minimum.
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 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.
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.
When can I switch the underfloor heating on in Charmouth?+
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 Charmouth clients to the schedule.
What backs our Charmouth work
Hundreds of square metres poured around Charmouth in the last 12 months
Single-team continuity — same crew, same standards, every job
Written fixed-price quotes — no day-rate creep
Moisture-test handover record so flooring contractors take the slab on without dispute
Coverage across DT6
From Charmouth 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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