Your guide to new Approved Document L

Last week’s changes to Approved Document L 2021 came into force in England spelling big changes to thermal regulations for both new and existing buildings – and for your customers.

To help you get to grips with what’s changed and how ROCKWOOL solutions can help you meet and exceed the new requirements, we’ve created a straightforward guide to Approved Document L 2021. Download guide

What’s inside?

  • A breakdown of the what’s been updated and why
  • Changes-at-glance for Volume 1: dwellings and Volume 2: buildings other than dwellings
  • U-value tables with a side-by-side comparison versus the 2013 edition
  • Substrate construction options using ROCKWOOL solutions
  • Make sure you’re up to speed with Part L. Get the ROCKWOOL Guide to Approved Document L now.

Get the guide