No Radiators, No Underfloor: The Skirting Heating System on a Real Job @SkillBuilder
No Radiators, No Underfloor: The Skirting Heating System on a Real Job  @SkillBuilder
Uploaded July 2026 | Updated September 2026, 1 week ago
👇 ThermaSkirt H2O Water-Based Skirting Board Heating
go.skill-builder.uk/thermaskirt

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Skirting board heating: does it actually work on a real job? After the huge response to our first ThermaSkirt video at Installer Live, Roger heads out on site to see a complete whole-house installation in a 1920s property. Every room is heated by ThermaSkirt, running off a standard gas boiler at just 55°C flow temperature, with no radiators in sight.

We follow the install step by step: the reflective foil and click-in brackets, cutting and deburring the aluminium profiles, the push-fit connectors (rated to 15 bar), the two-stage wet install and finishing fix, and the fully zoned Salus control system with a digital thermostat in every room. We also get answers to the big questions you asked last time, including the one everyone wants to know: with all those joints, does it leak?

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Key Takeaways:

• ThermaSkirt spreads heat over a large surface area, so it can run at the low flow temperatures (50 to 55°C) now expected for boilers and heat pumps

• This 1920s house is delivering 24.5kW on a gas boiler at 55°C max flow, with a 20% margin built into every room's heat loss calculation

• Installation is push fit with no hot works, straight cuts only, and audible clicks to confirm every connection, making it viable for a competent DIYer

• The system bleeds like underfloor heating, not a radiator: purge it once and you're done, with drain and bleed points at the end of each run

• Outputs are around 120W per metre on the shorter M2 profile and up to 180W per metre on the taller profile, and sections can be doubled into a six-pipe system for bigger loads

• Matching MDF profiles, bespoke colours and flush floor threshold heaters mean the whole house gets a consistent finish

• A retrofit kit lets you keep existing radiators and top up the output, which is proving popular on heat pump conversions

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#ThermaSkirt #SkirtingBoardHeating #HeatPump

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No Radiators, No Underfloor: The Skirting Heating System on a Real Job

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