FAQ: The abbreviation FENSA stands for FENESTRATION - SELF ASSESSMENT.
The uk dictionary definition of the word fenestral or fenestrate is " belonging to or like a window" The word fenestration is "the arrangement of windows in a building". FENSA is used by double glazing uk trade companies to certify that their replacement windows and doors installed comply with Building Regulations Document L (and more), actually checking av. 1% of all replacement windows installations.
Did You Know?
So much better to have PVC and done with it:
It's no wonder people are getting rid of all the old shiplap and windows, and replacing with plastic. What a dreadful job it would be to have to strip and prepare all this wood, primer it, undercoat it and give it two top coats of paint. To think about the time it would take and the cost of the paint, that's what bad dreams are made of. And what if you had to pay someone to do it properly every few years!
Now choose what you want to know more about: