I use a rubber based cement called Piobond. Unfortunately its not easy to get in the UK. I had a small bottle sent over from the US years ago which is still on the go. Google may find you an equivalent. Old mouse mats can be used to make perfectly good light seals if you are handy with a scalpel.
I use a rubber based cement called Piobond. Unfortunately its not easy to get in the UK. I had a small bottle sent over from the US years ago which is still on the go. Google may find you an equivalent. Old mouse mats can be used to make perfectly good light seals if you are handy with a scalpel.