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Old 05-03-2010, 04:15 AM   #16
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1st time exterior painting a house, need suggestions/tips/advice


I have never used a wire brush on a house.I tend to just scrape of loose paint with a carbide paint scraper,sand with 60 grit then 100 grit to feather edges, oil prime and paint.

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Old 05-03-2010, 04:39 AM   #17
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1st time exterior painting a house, need suggestions/tips/advice


agree with chris. if you use a wire brush it has a couple potential problems. one is it not taking off much paint, the other is the deep scratches it will leave that likely won't be filled in by paint. the scratches from 100 grit are MUCH smaller than a wire brush. i would say only use your brush on places that are lifting then sand over every area you do use it on to make the surface smoothly transition. you may find that a paint scraper works better than your brush to remove lifted paint as well.
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Old 05-03-2010, 12:09 PM   #18
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1st time exterior painting a house, need suggestions/tips/advice


Quote:
Originally Posted by chrisn View Post
I have never used a wire brush on a house.I tend to just scrape of loose paint with a carbide paint scraper,sand with 60 grit then 100 grit to feather edges, oil prime and paint.
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Originally Posted by racebum View Post
agree with chris. if you use a wire brush it has a couple potential problems. one is it not taking off much paint, the other is the deep scratches it will leave that likely won't be filled in by paint. the scratches from 100 grit are MUCH smaller than a wire brush. i would say only use your brush on places that are lifting then sand over every area you do use it on to make the surface smoothly transition. you may find that a paint scraper works better than your brush to remove lifted paint as well.
Just in case you guys might have missed it, my house has a rough texture plywood siding which, when sanded, tends to make it completely flat, which is the complete opposite of the rest of the house. Would you still recommend me sanding those parts?

I have used the wire brush so far and it seems to do quite well without noticeable scratching.

And I put in the order for renting one of those units. Hopefully it gets to me by Friday. I tried the original company but they don't know how to answer their phones or call people back.

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Old 05-03-2010, 04:48 PM   #19
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1st time exterior painting a house, need suggestions/tips/advice


if it works, that's what matters. rough texture plywood is probably t1-11. when you sand the goal isn't removing paint, it's smoothing the surface and creating a clean surface for the primer to stick to. if you are sanding so deeply to change the wood grain you're going way too far.

it sounds like you've got the general idea, just keep getting rid of loose spots and blend them into the existing paint via sanding. before you paint make sure the house is clean, clean and cleaner. when you can run a wet dish towel over your plywood and no dirty or grime comes up you'll be ready to paint. dirt and grime are probably the single biggest cause of lifting paint. they prevent it from sticking to your surface.
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Old 05-13-2010, 07:37 PM   #20
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1st time exterior painting a house, need suggestions/tips/advice


I appreciate all the help i got on this thread. The Infrared paint heater seems like massive overkill on the areas of my paint that are still good but the entire east side wall is extremely peeled. It was quite easy to get down to bare wall with that heater and once I got the hang of it I was easily able to heat while scraped the previous spot.

So I've got around half of the outside done. I think I've put about 30 hrs into it so far, with another 20 to go. God I hope this paint job comes out great.
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Old 05-14-2010, 04:34 AM   #21
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1st time exterior painting a house, need suggestions/tips/advice


After you get it stripped, sand it all down with 100 or 120 grit, blow the dust off, prime with a SLOW drying oil primer, 2 coats of 100% acrylic exterior paint and you have done the best you can do, should last 10 to 15 years.

forgot to say chalk all cracks, joints, etc with a goog chalk
ps, do NOT chalk the bottom edge of lap sideing
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Old 05-14-2010, 05:53 AM   #22
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1st time exterior painting a house, need suggestions/tips/advice


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Originally Posted by chrisn View Post
After you get it stripped, sand it all down with 100 or 120 grit, blow the dust off, prime with a SLOW drying oil primer, 2 coats of 100% acrylic exterior paint and you have done the best you can do, should last 10 to 15 years.

forgot to say chalk all cracks, joints, etc with a goog chalk
ps, do NOT chalk the bottom edge of lap sideing
I am currently using a Wagner PaintEater for all of my sanding. Seems to make short work of all the extra pieces that don't want to come up and of sanding in the same go.
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Old 05-17-2010, 10:52 AM   #23
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1st time exterior painting a house, need suggestions/tips/advice


I'm almost done with the prep work. Hopefully I'll be able to finish it all up today, after about a week of serious work. I also thought i'd give some details on my experience.


Infrared paint removers: This is a good investment If you want to strip to bare wood and you either have nothing but free time or you paint for a living and even then, you'd probably want 2 or 3 of these. Otherwise the thing seems ultra slow to me. I've never painted before but It would seem more time effective to use some chems overnight and just scrape in the morning. As I stated i have a single story, 1200 sq foot home so It's not big in the least, and it still took a week just to do less than half the house.


For T1-11 siding it seems like pressure washers are ineffective in that they strip more wood than they do paint.

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