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HEATING | FLOOR | SCREED

The ThermoSphere Screed electric underfloor heating cable is installed directly into the layer of screed to create an energy efficient heating system.

Available sizes

Ideal for new build projects where height build up is not limited

Recommended Solution for Screed Underfloor Heating

Bring the warm feeling to an engineered timber or laminate floor finish. Extra thermal insulation can be included if required.

Click each layer to view specific product information.

Recommended Solution for Screed Underfloor Heating
SmartHome Control50-100mm sand and cement, or flow screedThermoSphere Screed Heating CableSubstrate insulation layerConcrete substrateEngineered timber or laminate floor finish

SmartHome Control

Alexa Controlled Underfloor Heating Thermostat

New ThermoSphere SmartHome controls that work with Alexa.

Works with Alexa via the ThermoSphere SmartHome hub.

Can be used as a standalone electric underfloor heating thermostat.

Control from anywhere with the ThermoSphere iOS & Android app.

Available in black or white.

Click here for more information on this solution

50-100mm sand and cement, or flow screed

ThermoSphere do not provide the properties for the screed itself.

ThermoSphere Screed Heating Cable

Screed Underfloor Heating

Heavy duty heating cable designed for installation directly into 50 - 100 mm screed layers where height build up is not limited.

Suitable for almost any flooring finish including wood, carpet and vinyl.

Please see the product options table at the bottom of the page for available sizes & outputs.

 

 

Substrate insulation layer

ThermoSphere do not currently provide properties for the substrate insulation

Concrete substrate

Engineered timber or laminate floor finish

ThermoSphere Screed underfloor heating cable is perfect for use with an engineered timber or laminate floor finish.

Get a quick quote

Call us: 0800 019 5899

Send us a message

Running cost calculator

Register your warranty

Downloads

Installation advice & help

Heavy duty electric underfloor heating cable designed for use in screed

Heating Cable 1

Heating cable

Versatile heating cable designed for installation in the screed layer of new builds or renovation projects.

Galvanised fixing profile

Pre spaced galvanised fixing profile ensures a secure cable installation.

Perimeter insulation foam

Perimeter insulation foam acts as a thermal break and expansion gap around the screed.

Heating Cable 2

Efficient storage heating effect

Screed heating systems have a slower heat up and cool down time and are suited to rooms that are in constant use. Take advantage of cheaper, low cost energy tariffs such as off peak Economy 7.

>Calculate your running costs

Heating Cable 3

Robust, hard wearing cable

The advanced protective PVC coating on ThermoSphere screed heating cable protects the heating element during installation and provides a long product life span.

Design your own heating output

Design your own heating output

The heating output per m2 can be adjusted by varying the cable spacing to achieve your desired heating output.

Get a quick quote

Call us: 0800 019 5899

Send us a message

Running cost calculator

Register your warranty

Downloads

Installation advice & help

Relax. It's covered for a lifetime!
1
Years
Screed Heating Cable

If you are looking for efficiency

ThermoSphere screed heating cable is a versatile underfloor heating cable designed for installation within the screed layer of new builds or renovation projects where floor height is not an issue.

The heating cable creates an energy efficient heating system by warming the screed slab as a slow release thermal mass.

Suitable for almost any flooring finish and installation in concrete screeds of 50mm to 100mm.

For optimum efficiency, cables should be fixed to foil faces insulation boards prior to screeding.

Screed Perimeter Foam

The perfect combination​

For the perfect combination, we recommend installing our perimeter foam. The foam allows the screed to expand and contract when heated. Failure to allow for this expansion could result in a breakage in the screed.

EcoDesign Compliant

Great news! We're totally compliant and so are you when you use, specify and install our electric underfloor heating and thermostats. 

What is Lot 20?  In a nut-shell, the Lot 20 EcoDesign directive helps you save energy and money by introducing a standard for energy efficiency for electric heating system and other products in the home. The directive came into force in January 2018 and you can relax knowing our solutions are 100% compliant!  

Choose between 2 fixing methods

Screed staple gun fixing method

1. Cable staples & tacker gun

For an easy installation onto foil faced insulation boards with 8mm staples

Heating Cable 4

2. Galvanised fixing profile

A 25m roll of galvanised steel fixing profile. Can be mechanically fixed to timber or concrete substrates.

Useful calculations

Calculate your total heated area and multiple by the heat output required (eg 120W/m2). Next, choose the relevant cable from the list in the section above.

Example:

21m2 x 120W/m2 = 2520W required.

With this requirement you would select the 144Lm cable (2600W).

Allow 4 staples per linear metre of cable.

Example:

144Lm x 4 = 576 staples

Cable Lm / 6 = Lm of fixing profile required.

Example:

144Lm / 6 = 24Lm of fixing cable for cable stock code 3062 (144Lm)

Take the total heated area (m2) and multiply by 100. Then divide by the length of cable you have chosen. This gives you your cable spacing in cm.

Example:

21m2 x 100 / 144Lm = 14.5cm

Please note: The lower the output per m2, the greater the cable spacing will be.

We do not recommend spacing further than 15cm or closer than 5cm.

Download installation guide
Download screed datasheet

ThermoSphere screed heating cable options

Screed heating cable

Select an in screed heating cable length that provides the required heat output and fits within the area that you wish to heat.

Stock CodeDescriptionLength (m)Output (w)Resistance (Ω)
SC-011-0200Cable 200W11200264.5
SC-016-0300Cable 300W16.5300176.3
SC-022-0400Cable 400W22400132.2
SC-027-0500Cable 500W27.5500105.8
SC-033-0600Cable 600W3360088.2
SC-039-0700Cable 700W3970075.6
SC-045-0850Cable 850W4585062.2
SC-055-1000Cable 1000W55100052.9
SC-069-1250Cable 1250W69125042.3
SC-076-1375Cable 1375W76137538.5
SC-094-1700Cable 1700W94170031.1
SC-116-2100Cable 2100W116210025.2
SC-144-2600Cable 2600W144260020.4
SC-183-3300Cable 3300W183330016.0

Screed heating cable accessories

Select an in screed heating cable length that provides the required heat output and fits within the area that you wish to heat.

Stock CodeDescriptionSizeUnit
SC-STA-0600Screed Cable Staples8mmPk 600
SC-STGScreed Cable Staple Gun--
SC-GFP-025Screed Cable Fixing Profile20mm x 25mRoll
PIF-50-050Perimeter Insulation Foam5 x 80 x 50mmRoll
SCM-B-01Manual Control (Black) - For off peak electricity85 x 85 x 46mm (31mm in wall)Ea
SCM-W-01Manual Control (White) - For off peak electricity85 x 85 x 46mm (31mm in wall)Ea

Downloads

> Screed datasheet

> Screed solutions guide

> Screed installation guide

Looking for help or advice? Visit our installation hub here

Contact

hello@thermosphere.com

+44 800 019 5899

Bridge House
Pattenden Lane
Marden, Kent
TN12 9QJ, UK

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