How To Look At A House
McGarry and Madsen's home inspection blog for buyers of
site-built, mobile/manufactured and modular homes
What causes a ceiling to separate from the wall?
Friday, January 17, 2020
If the cracks are only along the ceiling/wall line, and your roof structure is wood trusses, it is likely due to truss uplift. These cracks usually occur during the winter, and close back up during the summer, because they are thermally induced. What happens is that the bottom chord of the truss bows upward during cold weather, pulling the ceiling up and away from the walls. To understand why it happens and what you can do about it, go to our blog post What causes cracks to open along the line between the ceiling and walls?
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Here’s links to a collection of our other blog posts about STRUCTURE AND ROOMS:
• Can you access or exit a bedroom through another bedroom?
• What is the difference between a carport and a garage?
• What are simple ways to find the cause of a ceiling stain?
• What is the minimum size of habitable rooms in a house according to the building code?
• Why is my garage ceiling sagging?
• How can I identify what kind of wood flooring I am looking at?
• Why does my concrete floor slab sweat and get slippery?
• What is the minimum ceiling height for rooms in a house?
• Why are there score line grooves in the concrete floor of the garage?
• How much can I cut out of a floor joist?
• How can I tell if my floors are sloping?
• Why do the floors slope in this old house?
• How can I tell if a wall is load-bearing? Which walls can I take out?
Visit our STRUCTURE AND ROOMS page for other related blog posts on this subject, or go to the INDEX for a complete listing of all our articles.
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