|
| My house was built in 1935. Most of the walls and ceilings are a plaster board coated with two coats of plaster, kind of a precursor to drywall.
About 8 years ago, we had a leak in our upstairs bathroom that damaged the kitchen ceiling below. Later, we remodeled the bathroom and haven't had any obvious leaks since. About 3 years ago we remodeled the kitchen and had the ceiling damage repaired so that it looked like new. Recently, I've noticed the plaster in the same area starting to bubble and crack. I opened the access panel to the tub and didn't see any obvious signs of water. Am I missing the leak? What else could be causing damage in the same area? Because, I'm having the same issue in a bedroom wall behind the chimney, where we had water coming in years ago and finally had it repaired recently, I'm beginning to wonder if it has to do with the wall board rather than an ongoing leak. |
Follow-Up Postings:
|
| "Recently, I've noticed the plaster in the same area starting to bubble and crack. I opened the access panel to the tub and didn't see any obvious signs of water. Am I missing the leak? Check tun caulking and the overflow gasket. These are two common placers for leaks in tubs. New water is damaging the plaster. Once of the first uses of gypsum boards (similar to drywall) was in 16 inch x 48 inch panels that replaced wood lathe for 2 coat plaster work. |
|
- Posted by sombreuil_mongrel (My Page) on Wed, Jul 20, 11 at 16:16
| I'm thinking perhaps the repair materials were not up to the task, or the substrate had not been properly dealt with and made ready to take the patching compound. The water-damaged stuff needed to be scraped away to a solid base, and then sealed with bonding agent (Link, or Plasterweld) to be sure it was sound. You can't patch plaster onto a friable substrate. Casey |
Please Note: Only registered members are able to post messages to this forum. If you are a member, please log in. If you aren't yet a member, join now!
Return to the Old House Forum
Instructions
- You must be a registered member and logged in to post messages on our forums.
- Posting is a two-step process. Once you have composed your message, you will be taken to the preview page. You will then have a chance to review the contents and make changes.
- After posting your message, you may need to refresh the forum page in order to see it.
- It is illegal to post copyrighted material without the owner's consent.
- HTML codes are allowed in the message field only.
- No advertising is allowed in any of the forums.
- If you would like to practice posting or uploading photos, please visit our Test forum.
- If you need assistance, please Contact Us and we will be happy to help.