Opening Seams occur when the seams of the wallpaper spring or open during the drying process. This can be as little as part of one millimetre to a few millimetres.
Note: There is nothing in any wallcovering, either imported or local, that will cause the seams to open.
Learn how to prevent wallpaper seams/joins from opening
There are many reasons for seams to spring or open during the drying process of the wallpaper. ALL wall coverings that have paper as their web or base will expand and relax once wetted, but during the drying process will rely very heavily on the preparation of the substrate to have been carried out correctly to hold the wallpaper in place, not allowing the product to move or open.
All these factors can and do have a bearing on whether the seams will or will not open during the drying process.
To prevent the seams from opening, make sure that all the recommended preparation steps are carried out, as per normal trade practice.
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Thank you to Aspiring Walls for providing the information for this quick reference guide.
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