Tarmac Topflow Screed A

Tarmac Topflow Screed A

I’m Andy Parkin, Managing Director of the Multi Award Winning Speed Screed, and I’m here to talk about Tarmac Topflow Screed A

Overview – Tarmac Topflow Screed A

Tarmac Topflow Screed A is a range of calcium sulphate products with different properties.


Can be used in a wide range of applications such as:


  • Pump applied, making the whole process clean and convenient.

Drying Times

Topflow Screed A can be force dried after 7 days to accelerate the screeds drying.

Foot Traffic

24-48 Hours

Minimum Depths

From 25mm bonded

30mm unbounded

35mm floating domestic (40mm commercial)

30mm coverage of  UFH pipes (20mm with Thermio+)

Screed Super Powers

Some of the benefits of using Tarmac Topflow Screed A are

  • Up to 2000m2 per day productivity
  • Joints at 30-40 linear meters
  • 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 Topflow Screed A is perfect for underfloor heating.

I hope the information helps, please contact us if you require any further information about Tarmac Topflow Screed A. We love to help!

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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 >

Tarmac Topflow Screed A

Tarmac Topflow Screed A