Ben Penson, Chair of the Association of Composite Door Manufacturers, on the details of the new Approved Document L
Now that Approved Document L has been published and its requirements and standards are stated in black and white, it is time to take a closer look at how it will impact the door market. Previous revisions to the document, specifically with regard to existing dwellings, have by and large bypassed entrance doors and focused specifically on windows. This is set to change.