Description
ThermoSphere Waterproofing Paste is a ready-mixed, brush-applied tanking compound used to create a fully waterproof layer over ThermoSphere decoupling membrane, timber, and other suitable substrates before tiling.
Key Benefits
- Ready-to-use paste, no mixing required
- Forms a flexible, continuous waterproof membrane
- Used with ThermoSphere Waterproofing Tape at joints, corners and pipe penetrations
- Suitable for floors and walls in wetrooms and shower enclosures
- Compatible with ThermoSphere decoupling membrane systems
- 5kg tub covers typical domestic bathroom or wetroom areas
Applications
Essential for tilers and wetroom installers tanking shower trays, wetroom floors, and bathroom walls prior to tiling, particularly over ThermoSphere decoupling membrane.
Performance & Features
Applied by brush or roller in two coats to form a seamless, flexible waterproof barrier that remains vapour-permeable, protecting the substrate from water ingress beneath the tiled finish.
Compatibility
Designed to be used alongside ThermoSphere Decoupling Membrane (HDM range) and ThermoSphere Waterproofing Tape for a complete tanking system.
Available from Millcot alongside the full ThermoSphere wetroom and underfloor heating range.
FAQs
How many coats are needed?
Typically two full coats are applied, allowing the first to dry before the second is applied — refer to the datasheet for full guidance.
Does it need tape at joints?
Yes, use ThermoSphere Waterproofing Tape to reinforce internal corners, joints and pipe penetrations before or between coats.
Can I tile straight after it dries?
Yes, once fully cured the paste provides a ready substrate for tiling with a suitable flexible adhesive.
Is it suitable for shower floors?
Yes, it's designed for wetroom and shower floor and wall tanking as part of a full waterproofing system.