Is it necessary to have counter battens for the installation of a Velux roof window? It occurs to me the window may not reach down to the rafters it's sitting on two times batten depth. It's a porch roof and not part of the living areas.
If you need to find a tradesperson to get your job done, please try our local search below, or if you are doing it yourself you can find suppliers local to you.
Select the supplier or trade you require, enter your location to begin your search.
Are you a trade or supplier? You can create your listing free at DIYnot Local
