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Bathroom Heating

In-Screed Floor Heating Cable Kits for Concrete Screed Floors

Heating cable kits designed to be embedded in a concrete screed layer, sized from small bathrooms to larger open-plan areas.

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In-screed electric floor heating cable kit

Why choose in-screed floor heating from Lamex

  • Cable embeds directly into a new concrete screed pour
  • Kits sized by area and cable length to suit the room
  • Thermal mass of screed retains heat for longer, steadier warmth
  • Suits bathrooms, kitchens and open-plan living areas
  • Pairs with a floor thermostat and sensor for automatic control
  • Installed by a licensed electrician at the screeding stage

How to choose the right in-screed heating kit

In-screed heating cable is fixed to mesh or a fixing strip and then a new screed layer is poured over the top, which makes it a common choice for renovations where an existing subfloor is being topped with fresh screed before tiling. Because the concrete has real thermal mass, the floor holds heat longer than thinner systems, giving steadier warmth once it's up to temperature.

Measure the area you want heated and select a kit whose cable length and coverage matches that area, allowing for standard spacing between runs. After the cable is laid and tested, the screed is poured over it and needs to cure for the manufacturer's recommended period before the system is switched on. Installation and testing should be carried out by a licensed electrician working alongside your screeding contractor.

Frequently asked questions

What's the difference between in-screed and in-slab floor heating?
In-screed heating is embedded in a thinner topping layer of concrete poured over an existing subfloor, commonly used in renovations. In-slab heating is laid within the main structural slab itself, which usually means planning it into a new build or full slab replacement.
How long does screed need to cure before the heating can be turned on?
Screed typically needs at least a few weeks to cure before the heating is switched on, and manufacturer guidance should be followed closely as curing too fast can cause cracking. Your installer or the cable manufacturer's instructions will confirm the exact timeframe for your product.
How do I choose the right size in-screed cable kit?
Measure the floor area you want heated in square metres and select the kit whose coverage and cable length most closely matches that area, allowing for the standard spacing between cable runs.

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