3 cut short pieces of self adhesive fiberglass mesh joint tape and cover the groove with them.
Roof leaked and niw my ceiling plaster is cracked.
Typically plaster ceiling cracks have two causes.
Ceiling cracks in plaster ceilings.
We put on a new roof and fixed the ceiling scraped mudded painted.
If you live in a home with plaster ceilings and you begin to see cracks they may be caused by moisture and or movement.
That was a year and half ago.
How to know when ceiling cracks are structural or just old.
Because wood is flexible and plaster is not you will have cracks form in the ceiling following the join lines of the plasterboard sheets.
A crack that is an 1 8 inch wide and only two feet long in a corner will not be given as much weight as a ceiling with 1 4 inch wide cracks three or five feet long and that appear in a number of locations.
As a building becomes older the tiny cracks caused by the continual onslaught of different forces on the house combine and magnify and eventually become visible.
House settling and temperature or moisture fluctuations in an attic which result in the expansion or contraction of framing members.
Ceiling cracks become more of a red flag if there are other signs that the house may have movement or structural problems.
Another sign of a water damaged ceiling is swelling or bubbling.
4 dip a sponge in clean water and dampen the area of the repair.
If they are bigger and sections of plaster are falling you will probably have to remove the plaster and replace it with a drywall section.
It can be seasonal shrinkage.
When a ceiling shows signs of water damage and dripping water the place to look is in one of two home systems.
The plaster ceiling in my 1949 home sustained water damage from a roof leak discoloration bulging flaking falling etc.
The roofing system or the.
I d say the area was about 3 square feet.
2 blow out the plaster dust.
Small cracks can be repaired by applying plaster.
All buildings regardless of when or where they were built and with what material are subject to movement.
If the leak is intermittent or slow the drywall around the crack may discolor because wet drywall is a favorite breeding ground for mold.
5 mix setting type joint compound and apply it over the tape and groove.
Roof leaking from heavy rains toilet overflowing from upstairs bathroom pipes leaking and condensation line leaking are a few causes.
When the ceiling looks like it is bulging out it means there is an accumulation of moisture into the wood and drywall.
Using a medium bristle brush scrub the area with a solution of water and tri sodium phosphate tsp or a non phosphate detergent.
The drywall itself may also be spongy and it may sag.