Gypsol HTC

Gypsol HTC – The underfloor heating screed

I’m Andy Parkin, Managing Director of the Multi Award Winning Speed Screed, and I’m here today to talk about Gypsol HTC

Gypsol HTC – General Overview

Gypsol HTC is a High Thermal Conductivity calcium sulphate based flowing screed, specifically designed for use with underfloor heating and cooling systems.


Perfect for:

Gypsol HTC is not suitable for:

  • Permanently wet areas, such as commercial changing rooms/swimming pool surrounds
  • Area that require falls


Gypsol HTC is supplied directly from the screed manufacturer.  Supplied in ready-mixed truck mixers.  4/6/8/10 wheelers.

The screed is then discharged into a specialist screed pump, and then pumped into place.

Drying Times

Approximately 1mm per day, up to 40mm. Beyond 40mm, 0.5mm per day. This is based on 20 degrees and 60 relative humidity

After 7 days the screed can be forced dried to speed up the process.

Foot Traffic

  • 24-48 hours

Screed Depths

  • Coverage to conduits 20mm

Screed Super Powers

  •  Only 20mm coverage of the pipes!
  •  Up to 2000m2 per day productivity
  •  300m2 without joints
  •  Very low shrinkage
  •  Minimal cracking
  •  Will not curl
  •  No need for curing membrane
  •  No reinforcement required
  •  Requires no manual compaction
  •  Eco friendly calcium sulphate binder
  •  Free from protein and does not harbour harmful bacteria.
  • With nearly twice the thermal conductivity of traditional sand and cement screeds Gypsol HTC is perfect for underfloor heating.

Feel free to contact us for further information about Gypsol HTC.

Our Accreditations

Get in Touch

Office Hours:

Monday to Friday 08.00 – 17.00

About Speed Screed

Speed Screed Limited was founded on the key principle of providing first-class customer service. It has since built itself an impressive reputation for delivering high-quality projects across the United Kingdom.
The company’s success is built on its belief in quality work, attention to detail, on-time completion, strong working partnerships and the recruitment of top-level staff. about us >

Gypsol HTC

Gypsol HTC