Installation advice

We think it is relatively easy to install our roof windows as everything can be done from inside the property, however, ease of installation will always depend on your specific circumstances. Before you start the installation, there are a list of things that you need to take into consideration:

  • Are you installing your roof window into a new building?
  • Is this new build without a covered roof and without finished masonry?
  • Is it an established or inhabited house?
  • Does the roof have modern tiles or have you got a 100 year old slate roof?

We have organised these assembly instructions so that you can find exactly the right sections you need for your roof quickly. But should you have any concerns, you should seek the advice and assistance of a professional roofer because incorrect roofing and building work can affect the stability of the roof.

We can also advise you about the way to attach a snow guard to your roof window to avoid possible damage from snow.

Choose your product first:

 
Installation sequences

Making the opening

Prepare tools

Marking out

Mark out the opening on the underside of the roof membrane. Do not remove more than necessary - you can always cut it back more later.

Measuring

Removing the membrane

Cut out and remove the membrane, exposing the battens and the roof covering.

Marking out

Tiled roof

If you have a tiled roof, carefully begin to remove the tiles from inside. Make sure the area below this roof area is clear to avoid injury or damage if an accident occurs.

Pilot hole

Composite thin tile covering

If you have a composite thin tile covering, you may need to drill and cut through to make the initial opening.

Locate rafters

Removing nails

If you have a slate covering it may be necessary to use a slate ripper to remove the nails.

Rafter edge

Removing tiles/slates

Remove sufficient tiles/slates to allow a good working area. Don't be tempted to remove too many though - you'll have to put them back later!

Removing insulation
Removing a rafter

Removing battens

Remove battens to the extent of the framed area.

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