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Frequently Asked Questions

  1. Home
  2. Wall Insulation Boards
  3. Thermawall TW55
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How to Insulate a New Build Timber Frame

We explain how to insulate a new build timber frame construction

Knowledge Article5 min read
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Types of Insulation - a Guide

Outlining some of the different insulation types, and highlighting suitability for your application

Knowledge Article5 min read
What Are U-Values, R-Values And Lambda Values Article- 4:3

What are U-values, R-values, Lambda Values and Kappa Values?

Lambda, R-values, U-values, Thermal Conductivity and Thermal Resistance simplified in one article

Knowledge Article4 min read
Primary Energy Primary Energy Factors Article 4:3

What is the Euroclass System?

This article looks at what the Euroclass system is and the importance of using it correctly

Knowledge Article5 min read
Thermawall TW55
Internal drylining
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Timber frame wall with polymer rendered blockwork outer leaf
Insulated sheathing

Thermawall TW55

Thermawall TW55 is an insulation for timber frame and steel frame walls. It has a thermal conductivity of 0.022 W/mK. Thermawall TW55 insulation boards are easy to cut, handle and install compared to some other commonly used insulants. They are available in a range of thicknesses.

Product Highlights

  • Where to buy Thermawall TW55

  • High performance thermoset polyisocyanurate (PIR) insulation - thermal conductivity 0.022 W/mK

  • Suitable for use with timber frame and steel frame wall constructions

  • Can be used between studs or as an insulating sheathing

  • Ideal for Modern Methods of Construction (MMC)

  • Our Product Awareness Training is delivered by technical experts, who provide free onsite instruction and guidance

  • Contact Us for more information

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