Underfloor Heating Screed · Devon
Underfloor Heating Screed Poured to SR1 in Hemyock
When Hemyock self-builders specify UFH, the screed is what makes the system efficient. We pump Cemfloor Therm directly around your pressure-tested pipework for full encapsulation.
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When Hemyock self-builders specify UFH, the screed is what makes the system efficient. We pump Cemfloor Therm directly around your pressure-tested pipework for full encapsulation.
For Hemyock UFH builds the typical sequence is: insulation board down, pipes clipped and pressure-tested, edge insulation in place, then we pump and level in a single visit.
Most of our Hemyock jobs sit within 30 minutes of base, so site visits stay simple and pour days run to time. Hemyock sits Exeter (22 mi), and we work the surrounding villages on the same week's diary.
Underfloor Heating Screed in Hemyock — how it works
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.
For Hemyock UFH builds the typical sequence is: insulation board down, pipes clipped and pressure-tested, edge insulation in place, then we pump and level in a single visit.
Why Hemyock site context matters
County
Devon
District
Mid Devon
Postcode
EX15
Nearest city
Exeter (22 mi)
Nearest motorway
M5 (J26, ~4 mi)
Primary A-road
B3391
Local industries
agriculture, equestrian yards
Common builds
stone farmhouses, barn conversions
Hemyock projects we see most
- Stone farmhouses — a regular brief in Hemyock
- Barn conversions — a regular brief in Hemyock
- Cottage extensions — a regular brief in Hemyock
- Occasional new-build cottages — a regular brief in Hemyock
- Agriculture — a regular brief in Hemyock
Recent work near Hemyock
What to expect on pour day in Hemyock
- 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
Trust points for a Hemyock brief
Nearby villages and towns
Materials and systems we use in Hemyock
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.
FAQs from Hemyock clients
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 Hemyock?+
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 Hemyock 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.
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.
How does this affect my floor coverings in Hemyock?+
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.
Need Underfloor Heating Screed priced for Hemyock?
Tell us the square metres and access notes. Most Hemyock quotes go out the same day.
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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