Replace the tiles in the roof placing up the sides of your new window.
How to fit a velux window into a roof.
Do this by clipping the collar s corners together and then positioning it in the space you created.
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.
Whether you have never fitted a velux roof window before and would like a basic introduction or you have been fitting velux roof windows for years and would benefit from a best practice session there is a training session to suit your needs.
External 1f felt new 1f is replaced around the roof window underneath the existing and joined onto the roof joists.
Start installing the velux window frame by fitting the insulation collar.
Proper installation of the window flashing will create a barrier between the window and the sliding helping to weatherproof your roof window.
Press and smooth the bottom apron of the flashing to the countours of the tiles and screw down.
With velux the flashing is easy to install and will click into place around the window before being secured with a small number of screws.