A lot of hair line cracks have appeared in my living room. Could this be due to weather?
It usually happens over time just the movement in the house and old plaster drying out etc u can use backing paper as a cheap alternative to rescim
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Hairline cracks in the plaster can be a few reasons, these depend on how old the plaster is and the temperature of room due to expansion.
Cold weather can shrink the plaster. Heat can make it expand.
If these are happening quickly back and forth (hot then cold then hot etc)cracking can occur
Sometimes a simple fill and repaint CAN solve the issue
Best answer to be safe is skrim all the cracks and re skim
Hope this helps