I recently purchased a 1 quart bottle of Unibond One veener adhesive and I have had very poor results with this product compared to another name brand also purchased at Woodcraft. I will allow that this may have been a bad bottle but I would think not. I also would allow that it had exceeded shelf life. Again I think not. I was veneering over 1/2" MDF with .030 thick veener. Both sides on two panels continually delaminated and required repair. It was applied with a roller with a sufficeint coating and weighted under very heavy objects over night. The temperature was 65F. I made sure the bottle was turned upside down to allow heavier solution to mix. The bottle was shaken before use. Nothing helped. The other major brand that I used never gave me a bit of trouble even after one year plus of shelf storage.