Ceiling cracks running diagonally across ceiling.
Not enough ventilation in attic sheetrock cracks.
Water leaking from a window or the roof or even a leaky attic water line can run down inside a wall s framing and saturate the drywall which then softens and deteriorates creating a crack.
These cracks usually run either horizontal or vertical at the drywall seams.
Attic ventilation in the summer.
It s like the drywall is ripped apart.
A vented attic where insulation is placed on an air sealed attic floor is one of the most underappreciated building assemblies that we have in the history of building science.
Additionally drywall cracks are often found where two pieces of drywall are butted together.
Generally heat rises and cool air falls.
A crack a 16th of an inch or larger that runs at a diagonal angle through a sheet s of drywall requires a lot of force to create this crack.
Another common place to see these cracks is where two pieces of drywall come together.
This is particularly common in cathedral vaulted ceilings with low profile rafters or joists that do not provide enough ventilation space above the.
This type of crack generally would be considered a red flag depending on width length and location.
The drywall in my house separates from the ceiling and opens a gap of a quarter inch in the winter.
Homes with vaulted ceilings may develop these cracks in the higher areas as well.
Attic fan ventilation attic fans are intended to cool hot attics by drawing in cooler outside air from attic vents soffit and gable and pushing hot air to the outside.
Illustrations show where cracks are most likely to appear explain why and suggest both repair approaches to drywall cracks and how to prevent cracking in plasterboard or gypsum board.
But in homes that do not have proper attic insulation or ventilation heat tends to migrate.
Poor attic ventilation creating quite the crackup los angeles times.
Drywall cracks in ceilings or walls.
Attic ventilation works on the principle that heated air naturally rises primarily utilizing two types of vents.
So i ll start by saying something that might sound controversial but really isn t.
For instance in some places like las vegas the sun tends to set on the roof causing the attic to be warm.
Intake vents located at the lowest part of the roof under the eaves allow cool.
Hot air fills the attic and raises the temperature.
So much information has been devoted to the subject of roof venting that it s easy to become confused and to lose focus.
