Hey all,
We have a simple sunroom to replace an old timber outbuilding. It's attached to the wall currently, the new sunroom is slightly smaller, what can we add in between the wall and sunroom to extend it out about 20cm and remain waterproof and not allow any leaks.
We have a simple sunroom to replace an old timber outbuilding. It's attached to the wall currently, the new sunroom is slightly smaller, what can we add in between the wall and sunroom to extend it out about 20cm and remain waterproof and not allow any leaks.
