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Old 01-18-2008, 10:16 PM   #1
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Default How many coats can drywall take before it's toast?

A friend of mines wife changes paint colors in her home twice a year in various rooms after she gets a wild hair after one of those trading, design, or flip this that and whatever shows. Just how many layers can the sheetrock take? I think she must have a layer on there by now.

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Old 01-18-2008, 11:18 PM   #2
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I've been told paint dries to 2 mils (two thousandths of an inch).
Assuming 2 coats (4 mils)
1/8" thickness = 31 (two-coat) paint jobs.

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Old 01-18-2008, 11:25 PM   #3
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I've been told paint dries to 2 mils (two thousandths of an inch).
Assuming 2 coats (4 mils)
1/8" thickness = 31 (two-coat) paint jobs.
Well, I never realy checked the thickness, but she has been putting allot of coats on over the years and I was wondering if there comes a point when too many layers of paint on sheet rock becomes an issue?
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Old 01-19-2008, 12:02 AM   #4
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When it stops breathing.
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Old 01-19-2008, 06:16 AM   #5
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Those walls are fine! My mother in law changes colors twice a year and also throws wallpaper up on the same walls occasionally. I would think they only get stronger..
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Old 01-19-2008, 06:40 AM   #6
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Well, I never realy checked the thickness, but she has been putting allot of coats on over the years and I was wondering if there comes a point when too many layers of paint on sheet rock becomes an issue?
Eventually the layers of paint build to a thickness that puts them flush with the trim in the room. At this point, its a problem!
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Old 01-19-2008, 07:21 AM   #7
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makes for good soundproofing.
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Old 01-19-2008, 08:46 AM   #8
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Quote:
Originally Posted by vermontpainter View Post
Eventually the layers of paint build to a thickness that puts them flush with the trim in the room. At this point, its a problem!

Last time I came across this, we pulled the base, prepped the walls and mudded the bottom bevel, sealed, and re-installed the base, dapped the top edge and finish coated. Door and window casings were fine as the outside edges are thicker then the top of the base.

Cheers

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