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ThermRite Ltd

ThermRite MS Polymer Adhesive – High Performance Cover Board Adhesive

ThermRite MS Polymer Adhesive – High Performance Cover Board Adhesive

Regular price £11.95
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Quantity

SKU:RTCHIP-MS-Polymer Adhesive 290ml

The ThermRite MS Polymer Adhesive is a professional-grade cover board adhesive designed for bonding cover boards in underfloor heating floor build-ups. Formulated using advanced MS polymer technology, it provides a strong, durable and permanently flexible bond across a wide range of suitable substrates.
Supplied in a 290ml cartridge, this adhesive is easy to apply using a standard cartridge applicator or caulking gun. It is ideal for use with ThermRite cover board systems where a reliable, flexible and high-strength adhesive bond is required.

Key Features

MS Polymer Technology Professional-grade modified silicone polymer adhesive for strong, flexible bonding.
Designed for Cover Boards Specifically used for bonding cover boards in UFH floor constructions.
Excellent Bond Strength Provides a durable, high-strength bond with tensile strength of 2.80 N/mm².
High Flexibility Creates a permanently flexible bond to support floor movement and long-term performance.
Easy Cartridge Application Applies using a standard cartridge applicator with a recommended 3mm bead.

Product Specifications

Specification Details
Product Type MS polymer cover board adhesive
Chemical Base Modified silicone polymer, MS Polymer
Cartridge Size 290ml
Pack Size 12 cartridges per box
Coverage Approx. 1.8m² per cartridge using a 3mm bead
Open Time 40 minutes
Cure Time 24–48 hours
Walk-On Time Allow 4–6 hours before walking on panels if unsecured with screws
Application Temperature +5°C to +24°C
Temperature Resistance -40°C to +90°C
Tensile Strength 2.80 N/mm²

Application Guide

Step Guidance
1. Prepare the surface Ensure all substrates and surfaces are free from dust, dirt and deposits.
2. Load cartridge Insert the adhesive cartridge into a standard cartridge applicator or caulking gun.
3. Cut nozzle Cut the nozzle to the desired bead size. A 3mm diameter bead is recommended.
4. Apply adhesive Apply continuous straight-line beads 75mm apart between routed channels.
5. Fit the panel Position the panel and press firmly into the adhesive.
6. Allow to cure Allow 24–48 hours for full cure before final use.

Coverage Guide

Pack Quantity Approx. Coverage
1 x 290ml cartridge Approx. 1.8m² using a 3mm bead
12 x 290ml cartridges Approx. 21.6m² using a 3mm bead

Ideal For

  • Bonding cover boards in underfloor heating floor build-ups
  • ThermRite routed board and cover board systems
  • UFH overlay and dry floor construction projects
  • Professional underfloor heating installations
  • Applications requiring a flexible, durable adhesive bond

Why Choose ThermRite MS Polymer Adhesive?

This MS polymer adhesive for underfloor heating cover boards offers a strong, flexible and installer-friendly bonding solution. Its high bond strength, easy cartridge application and permanent flexibility make it ideal for professional UFH floor systems where reliable cover board adhesion is essential. Safety note: Keep out of reach of children. If medical advice is needed, have the product container or label available. Contains N-(3-(trimethoxysilyl)propyl)ethylenediamine and may produce an allergic reaction.

Quick Summary

A high-performance ThermRite MS Polymer Adhesive for bonding UFH cover boards, supplied in a 290ml cartridge with approx. 1.8m² coverage, 40-minute open time, 24–48 hour cure time, excellent bond strength and permanently flexible MS polymer performance.

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