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ThermoSphere 5kg Waterproofing Paste for Underfloor Heating


RRP: £103.20

Delivery In:

3-4 Working Days Approx.

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Shipping: £34.95

Key Features
  • A premium grade, rapid drying, highly flexible one-part liquid rubber Waterproofing Paste
  • 100 percent waterproof and highly flexible
  • Easy to apply with no priming required
  • Excellent adhesion
  • Solvent free
  • Ten years warranty from the manufacturer
SKU Code: QS-V109457

MFC Code: HDM-WP-01

HDM-WP-01 Details

Waterproof your floors and other surfaces in just a few simple steps when you use the ThermoSphere 5kg Waterproofing Paste for Underfloor Heating. This highly flexible one-part liquid rubber will help bridge any small gaps as you coat the surface with the product.

It promotes instant waterproofing for that reason, and as it dries, it becomes strong enough to prevent even the ingress of water. The product is solvent-free and gives 100 percent waterproofing, saving you plenty of time and money. It does not need a primer and dries to a grey colour.

  • Rapid drying - tile over in 1 hour.
  • Interior, exterior, domestic and commercial.
  • Ideal for showers, wetrooms, bathrooms, steam rooms, balconies and terraces.
  • Download Data Sheet PDF File from the Additional Info Section.
  • Technical Data:.
  • Colour: Grey.
  • Size: 5kg.
  • Durability: Up to 25 years when used as recommended.
  • Elongation: >1000 percent.
  • Form: Ready to use liquid paste.
  • Specific gravity: 1.4 - 1.5.
  • pH: 8.5 - 9.5.
  • Flashpoint: None.
  • Application temperature range: +6 to +30 degree Celsius (optimum +10 to +20 degree Celsius).
  • Application rates: Wall minimum 1mm. Floors minimum 1.5mm.
  • Curing time: Approximately 1 hour (subject to site conditions).
  • Service temperature range: -20 to 120 degree Celsius.
  • Shelf life: Up to 12 months when stored in unopened containers in cool dry conditions within the recommended temperature range. Avoid frost and extremes of temperature.
  • Clean up: Wash tools and equipment in water before it cures. Cured material is water-resistant.
  • Surfaces and Coverage:.
  • Walls 1mm (minimum) 1.5kg/m².
  • Floors 1.5 (minimum) 1kg/m².
  • Joints See wall or floor thickness 300g/Lm.

Additional Info & Downloads

Total: £73.10 3-4 Working Days Approx QS Supplies
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At QS Supplies, we use trustworthy carriers for deliveries across UK, Scotland and Ireland. We also follow an up-to-date tracking system to keep you posted on the status of your orders. Delivery dates are approximate, and therefore, we suggest you do not schedule any installation work until you have received the items. To learn more about our delivery service, click here. Please do not book Tradesmen until the items are safely received and thoroughly checked.


Before travelling for collections, please wait for a formal communication from us confirming your order is ready. For urgent orders, we recommend you call ahead to check lead times. Our Sales Team can be reached at 0116 251 0051, Monday to Friday from 8.30 am to 5.00 pm.


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