What is the U-Value of my door? The overall U-Value of your door will be less than 1.8 WM 2/K as required by Building Standards. By Warren Dent|2017-02-01T13:59:44+00:00February 1st, 2017|Doors|Comments Off on What is the U-Value of my door? Share This Story, Choose Your Platform! FacebookXRedditLinkedInTumblrPinterestVkEmail About the Author: Warren Dent