Shouldn't be more than 25% of the depth of the joist.
And re the span, i.e. the length of the joist, holes should be on the centre line and between 0.25 and 0.4 x the span from the nearest end.
Insulating part of garage for utility room
- Thread starter danieljephcott
- Start date
And re the span, i.e. the length of the joist, holes should be on the centre line and between 0.25 and 0.4 x the span from the nearest end.
Sponsored Links
DIYnot Local
Staff member
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
