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Frequently Asked Questions

  1. Home
  2. Floor Insulation Boards
  3. Kooltherm K110 PLUS Soffit Board
How to Insulate Soffits

How to insulate soffits

Some of the key points to consider when selecting soffit insulation

Knowledge Article5 min read
Soffit installation

Approved Document B England - Soffit Insulation

Find out about the requirements for soffit insulation in Approved Document B England.

Knowledge Article5 min read
Why Fabric First Image 1

Why fabric first?

What is a fabric first approach?

Knowledge Article5 min read
Lower Furlong Estate Sharnbrook Front Case Study 4:3

Understanding the Passivhaus Standard

Passivhaus is a leading global energy efficiency standard.

Knowledge Article7 min read
Kooltherm K110 PLUS Soffit Board
Soffit insulation with a building board outer face

Kooltherm K110 PLUS Soffit Board

Kooltherm K110 PLUS is a premium performance soffit insulation solution with an impact resistant building board for when an improved finish is required. It allows for a thin structural ceiling (soffit) construction with an insulation component that delivers a thermal conductivity of 0.019 W/mK.

Product Highlights

  • One of the thinnest commonly used insulation for soffits, allowing U-values to be reached with minimal thickness

  • Impact resistant building board for an improved finish

  • Easy to handle and install compared to some other commonly used insulants

  • Part of our Kooltherm range of premium performance insulation

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

U-value calculator