Thanks, yes I should just stop being tight!
How is the OP to know if these carpenter ants are 1st fix or 2nd fix ones?
If the OP picks 1st fix ones, then the hole will be very rough for a shelf
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