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Best Method For Small Patch

 
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Old 02-07-2013, 08:03 PM   #1
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Best Method For Small Patch


I typically only do patch work. Recently I had a few small jobs and it got me thinking what is the best method for a small patch.

I think the main factor I have problems with is drying time.

I've been using 20 for patches but find I'm still standing around waiting for it to dry. The problem seems worse when I have a large gap to fill or using paper tape (meaning that I think it's a good idea to let paper completely completely dry before re-coating which takes more time). But I don't really like fiberglass tape because of frays and the fact that it takes a thicker top coat and shows so easily if you sand too far.
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Old 02-07-2013, 08:06 PM   #2
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Re: Best Method For Small Patch


Ever used the 5-minute hot mud.

I never have, it scares me.

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Old 02-07-2013, 08:07 PM   #3
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Re: Best Method For Small Patch


I think pre-mixed usually leaves a much better finish coat but again it has to dry overnight. I'd like to be able to do a patch without making two trips but maybe I should just count on two trips.

What about using 5 instead of 20? Also, keep in mind that a patch is fresh drywall to painted surface and I've heard paint causes pin-holes for whatever reason? I personally haven't noticed it too much but obviously a painted surface is a much different surface than a drywall sheet.
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Old 02-07-2013, 08:09 PM   #4
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Re: Best Method For Small Patch


Quote:
Originally Posted by A.T.C. View Post
Ever used the 5-minute hot mud.

I never have, it scares me.
Never so I don't even know what it's like, but I can imagine it would really mess up your adhesion if it skins over too quick
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Old 02-07-2013, 09:14 PM   #5
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Re: Best Method For Small Patch


Install a blow out patch

Mix your 20 with warm water and use a heat gun to accelerate drying time.

Scrap excess mud, 2nd coat of 20. Same steps as before

Sand, 3rd coat

Sand, clean, paint, leave.

Should be 3-4 hours at MOST. If you only have one patch mix your mud a little tighter.

As for painted surfaces causing air holes. Sand the surrounding surface first. For a semi or high gloss you may have to skim the area first.
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Old 02-07-2013, 10:14 PM   #6
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Re: Best Method For Small Patch


Quote:
Originally Posted by Mud Master View Post
Install a blow out patch

Mix your 20 with warm water and use a heat gun to accelerate drying time.

Scrap excess mud, 2nd coat of 20. Same steps as before

Sand, 3rd coat

Sand, clean, paint, leave.

Should be 3-4 hours at MOST. If you only have one patch mix your mud a little tighter.

As for painted surfaces causing air holes. Sand the surrounding surface first. For a semi or high gloss you may have to skim the area first.
I should have said by small that I meant like 2-4' square so blowout patch wouldn't work and also kind of tedious to use a heat gun on a 3' seam but still doable I suppose. I do think your heat gun and blowout patch method would be perfect for a door knob hole and things like that.
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Old 02-07-2013, 10:30 PM   #7
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Re: Best Method For Small Patch


we do these patches all the time. If it is a large area, use 20 for the first coat. Dry with a heat gun and repeat with 5. Our HD carries 5 min mud. As said before. We can do a 3' x 3' repair in 3-5 hours including texture and paint. We use the oil based rattle can for orange peel or knockdown.
Popcorn we spray with a hopper and may have to make a second trip to paint the following day.

Comcast is a repeat customer. Lots of ceilings that get stepped on or holes that miss the top plate and come through the wall
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Old 02-07-2013, 10:59 PM   #8
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Re: Best Method For Small Patch


Quote:
Originally Posted by DemRem

I should have said by small that I meant like 2-4' square so blowout patch wouldn't work and also kind of tedious to use a heat gun on a 3' seam but still doable I suppose. I do think your heat gun and blowout patch method would be perfect for a door knob hole and things like that.

I run a $30 space heater
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Old 02-07-2013, 11:08 PM   #9
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Re: Best Method For Small Patch


Quote:
Originally Posted by Santa's Helpers View Post
we do these patches all the time. If it is a large area, use 20 for the first coat. Dry with a heat gun and repeat with 5. Our HD carries 5 min mud. As said before. We can do a 3' x 3' repair in 3-5 hours including texture and paint. We use the oil based rattle can for orange peel or knockdown.
Popcorn we spray with a hopper and may have to make a second trip to paint the following day.

Comcast is a repeat customer. Lots of ceilings that get stepped on or holes that miss the top plate and come through the wall
Just curious do you use the 20 first because you figure the 1st coat takes the longest and the 5 can be used on the 2nd coat

I think I'm closer to the 5hr mark and maybe another 45 to paint

It seems like quite a few drywallers on here aren't too fond of the 5 min mud but Im not sure why...maybe someone can elaborate. The only thing I can think of is the high risk of it skinning over too quickly
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Old 02-07-2013, 11:10 PM   #10
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Re: Best Method For Small Patch


Quote:
Originally Posted by kambrooks View Post
I run a $30 space heater
I did that on a job this week but sometimes it's hard to position them right...I figured a heat gun would be too tedious for a larger patch but it sounds like a lot of people are using them so I'll give mine a try
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Old 02-07-2013, 11:21 PM   #11
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Re: Best Method For Small Patch


if you mix 5 min and 20 do you get 12 n1/2?

An old guy taught me to cut out a square say 6" x6' put a couple 1/4s in the wall then score the back of the new rock 6x6 and the paper side 10x10 and break from the back and peel leaving the white paper.
Apply a thin layer around patch screw in the new and then float. (this is easier then taping a patch and only a thin coat is needed to blend in, stick a fan on it for 20 mins then texture, another 20 and paint.

6" hole saws work real nice as well, cut the bad out and back of rock then paper side to a square
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Old 02-07-2013, 11:28 PM   #12
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Re: Best Method For Small Patch


Quote:
Originally Posted by DemRem

I did that on a job this week but sometimes it's hard to position them right...I figured a heat gun would be too tedious for a larger patch but it sounds like a lot of people are using them so I'll give mine a try
A gun and an oscillating tower... Works great. I don't do many patches anymore but it was great when I did
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Old 02-07-2013, 11:30 PM   #13
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Re: Best Method For Small Patch


Quote:
Originally Posted by Red Adobe
if you mix 5 min and 20 do you get 12 n1/2?

An old guy taught me to cut out a square say 6" x6' put a couple 1/4s in the wall then score the back of the new rock 6x6 and the paper side 10x10 and break from the back and peel leaving the white paper.
Apply a thin layer around patch screw in the new and then float. (this is easier then taping a patch and only a thin coat is needed to blend in, stick a fan on it for 20 mins then texture, another 20 and paint.

6" hole saws work real nice as well, cut the bad out and back of rock then paper side to a square
Ferguson recommends that in his books. I liked the idea, never tried it
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Old 02-08-2013, 12:12 AM   #14
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Re: Best Method For Small Patch


I'll second or third or whatever the heat gun. It works great.
I've done the scored drywall patch as well but find that the paper is too thick for my liking.
Lined notebook paper is nice and thin, you just have to be careful not too over work it.
H*ll news paper in a pinch.
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Old 02-08-2013, 12:14 AM   #15
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Re: Best Method For Small Patch


I cut blow out patch's for small holes . Then use fast setting compounds . My two cents .
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Old 02-08-2013, 11:30 AM   #16
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Re: Best Method For Small Patch


mix your 20 with a paddle or your wifes egg beater in your cordless, the heat created by using a power tool will help the mud set fast, but not too fast, two coats of that followed by a top coat of premixed and a heat gun will get it. An old timer showed me a trick for eliminating air bubbles...add a little liquid dish soap and mix well, makes a nice creamy skimming mud that doesnt leave any air bubbles.
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Old 02-09-2013, 11:11 AM   #17
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Re: Best Method For Small Patch


Wow 5 at HD?
Not around here and the paint stores will rape you!! LOL
Was looking over reciepts awhile back SW Dinged me $22 For a bag of 5
Brought it up they made it right but im just sayin..
I had bought like 40 gals of paint at same time so I didnt catch it till later. Ive never found 5 at HD or Lowes

Anyway a patch is a patch, takes time somtimes, mix a little tighter use your heat gun..
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Old 02-10-2013, 06:27 AM   #18
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Re: Best Method For Small Patch


Quote:
Originally Posted by DemRem View Post
I typically only do patch work. Recently I had a few small jobs and it got me thinking what is the best method for a small patch.

I think the main factor I have problems with is drying time.

I've been using 20 for patches but find I'm still standing around waiting for it to dry. The problem seems worse when I have a large gap to fill or using paper tape (meaning that I think it's a good idea to let paper completely completely dry before re-coating which takes more time). But I don't really like fiberglass tape because of frays and the fact that it takes a thicker top coat and shows so easily if you sand too far.
Sorry, but....................20 and paper..............mesh and frays..............sanding??????

Eliminate those three problems and you will be a happy camper

Also, High velocity fans will make your twenty dry in twenty.
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Old 02-14-2013, 09:14 PM   #19
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Re: Best Method For Small Patch


Quote:
Originally Posted by mud master View Post
install a blow out patch

mix your 20 with warm water and use a heat gun to accelerate drying time.

Scrap excess mud, 2nd coat of 20. Same steps as before

sand, 3rd coat

sand, clean, paint, leave.

Should be 3-4 hours at most. If you only have one patch mix your mud a little tighter.

As for painted surfaces causing air holes. Sand the surrounding surface first. For a semi or high gloss you may have to skim the area first.
same for me but i dond sand it and i like to fuse it not tape it
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Old 02-16-2013, 09:32 AM   #20
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Re: Best Method For Small Patch


Quote:
Originally Posted by Red Adobe View Post
if you mix 5 min and 20 do you get 12 n1/2?

An old guy taught me to cut out a square say 6" x6' put a couple 1/4s in the wall then score the back of the new rock 6x6 and the paper side 10x10 and break from the back and peel leaving the white paper.
Apply a thin layer around patch screw in the new and then float. (this is easier then taping a patch and only a thin coat is needed to blend in, stick a fan on it for 20 mins then texture, another 20 and paint.

6" hole saws work real nice as well, cut the bad out and back of rock then paper side to a square
It's called a Cali patch.......it works good for patchwork. Did about 500 of them on the job im at now.

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