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?
Double glazing and cladding is almost the same industry.
For practical information on cladding with diagrams see:
For anyone interested in cladding in Essex, either cash and carry supply only for the full range of cladding, trims and guttering etc., or full installation job, then I heartily recommend a visit to the website of the longest established (1984 continuous trading) cladding company in the County: