Concrete screws through the batten, board, dab and into the block
If there aren't any dabs behind where you want the batten, drill holes in the plasterboard, pump enough gripfill into the hole to form a lozenge around it, bridging the gap between board and wall then drill the walll proper when it's gone off
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.
Please select a service and enter a location to continue...
Are you a trade or supplier? You can create your listing free at DIYnot Local