I used clear MS polymers such as Stixall to glue whole bricks back in the past. The glue line is about 0.5-1mm. Worked very well and lasted for about 5 years- then the customer demolished the wall as part of an extension.
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