Contact us
Kingspan Insulation
Kingspan Technical Insulation
Kingspan Great Britain
Kingspan Insulation
Kingspan Technical Insulation
Legal information
Cookie Policy & Control
Terms & Conditions of Website Use
Website Privacy Notice
Modern Slavery Act Statement
Group Approach to Tax
Gender Pay Gap
Direct Marketing Consent Notice
Customer Privacy Statement
Data Controllers

© 2026 Kingspan Holdings (IRL) Limited, All Rights Reserved

BACK TO TOP

Discover More

Talk to Us

What can we help you with?
Click here to request a sample
  1. Home
  2. Membranes
  3. nilvent
Kingspan Kooltherm K107 Unventilated Between Over Rafters Sarking

What are Sarking Boards?

Sarking boards are softwood boards, that are attached to the rafters of a pitched roof

Knowledge Article4 min read
How To Insulate A Loft Conversion Article 4:3

How to Insulate a Pitched Roof at Rafter Level

When insulating a pitched roof at rafter level there are many considerations to look at

Knowledge Article5 min read
Why Are Counter Battens Used In Pitched Roofs Article- 4:3

Why are Counter Battens Used in Pitched Roofs?

Find out why counter battens needed in your roof build up

Knowledge Article4 min read
The Difference Between a Breather Membrance and a VCL Article

What is the Difference Between a 'Breather Membrane' and a 'VCL' (Vapour Control Layer)?

‘Breather membrane’ and ‘vapour control’, there are a couple of important differences

Knowledge Article4 min read
nilvent

nilvent

nilvent is a breathable membrane suitable for use in unventilated pitched roof and timber frame wall applications. The membrane is waterproof, non-tenting and airtight at normal building pressures.

Product Highlights

  • Waterproof - can be used as a temporary roof covering

  • Non-tenting and lightweight

  • Airtight at normal building pressures

  • Excellent water vapour permeability

  • Strong - excellent nail tear and tensile strengths

  • Quiet under wind loading

  • Durable - heat and UV stable