Underfloor Heating Screed · Somerset
Cemfloor-Certified Underfloor Heating Screed Across Ilminster
Liquid UFH screed in Ilminster replaces the air gaps and voids that bog standard sand-and-cement leaves around pipes, lifting system response and cutting running costs.
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Liquid UFH screed in Ilminster replaces the air gaps and voids that bog standard sand-and-cement leaves around pipes, lifting system response and cutting running costs.
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.
Most of our Ilminster jobs sit within 30 minutes of base, so site visits stay simple and pour days run to time. Ilminster sits Taunton (12 mi), and we work the surrounding villages on the same week's diary.
Common briefs across Ilminster
- Hamstone terraces — a regular brief in Ilminster
- New estates — a regular brief in Ilminster
- Industrial units — a regular brief in Ilminster
- Horlicks heritage — a regular brief in Ilminster
- Distribution — a regular brief in Ilminster
Who this is for in Ilminster
Ilminster runs a healthy mix of residential renovation and small-to-medium commercial fit-out. We price both, and run both with the same fixed-price approach.
Underfloor Heating Screed in Ilminster — 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.
Materials and systems we use in Ilminster
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.
What to expect on pour day in Ilminster
- 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 Somerset
Other areas we cover near Ilminster
What backs our Ilminster work
- 01Cemfloor-certified, fully insured, CDM-aware
- 02Coordinated with most South West UFH installers
- 03Pre-start meeting standard on every commercial job
- 04Local knowledge — we know the M5 (J25, ~13 mi) access window and A303 / A358 traffic patterns
Ilminster screed questions, answered
Do you fit the UFH pipes yourself?+
We work alongside your chosen UFH installer rather than fitting pipes ourselves — most Ilminster jobs come with a heating sub-contractor already lined up, and we coordinate dates with them.
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.
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 Ilminster?+
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 Ilminster clients to the schedule.
Book your Ilminster pour
Diary fills two to four weeks ahead. Pin a date now and we'll confirm logistics.
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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