Plastering/painting tight corners and gaps

The complaint often comes up in renovation work that the previous plasterer has not done their job correctly when cracks appear in tight corners beside doors or very small spaces next to windows. The customer usually blames the previous worker. Almost always after looking at the job, it is discovered that the corner or gap is taped and coated correctly and so there must be another reason.

The usual reason for the cracking is that the door or window right next to that area is causing vibration and stress on the joint when the door or window inevitably slams shut.

A simple and easy solution to this is to get a high quality flexible sealant (that is paintable) and either the plasterer or the painter use this instead of plaster in the joint.

In most cases this will allow the vibration and stress of a slamming door or window to be absorbed better without cracks being created.

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