Velux roof window the windows below are available from stock can be installed in roof pitches between 20 and 85 degrees are manufactured from sealed solid laminated softwood with a 24mm low e double glazed sealed unit already installed are entirely factory assembled you only need to install them.
Fitting velux windows trussed roof.
As pictured above in middle and right window the best and easiest way is to consider fitting narrow roof windows that would fit between the roof rafters.
This is a video showing the fitting of a velux roof window with instructions.
Framing a roof window if your roof window fits between existing rafters or truss work it can be just a simple job of fitting the window to the existing woodwork or adding some timber framework to take plasterboard at a later stage.
We currently have small velux windows 550 x 1200 however we are not happy at all with these windows and so we wish to enlarge them to something like 900 x 1400.
Fitting a mid size roof window in a traditional non trussed slate tiled roof with easy access in the loft and no other internal work.
Several of these tools can be purchased from our sister website roofinglines.
This will take 2 men 1 5 days including their extras.
However this will mean that we will have to cut through one sloped 175 x 45mm chord for each window install new timber cross pieces and purlins and install across multiple roof.
Or read our 12 steps below for help fitting a velux window from roof opening to vapour barrier.
12 steps to fitting a new velux window.
Tape measure pencil ladder hammer screwdriver knife pincers panel saw staple angle grinder safety goggles.
This step by step video guide by velux shows how to install a velux new generation roof window in a tiled roof at standard installation height.