I have never done this texture before. I would assume I need to use the large orfice on my hopper gun? After spraying do I need to let the mud set up before knocking it down?
Knockdown texture
taylorconst
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I have never done this texture before. I would assume I need to use the large orfice on my hopper gun? After spraying do I need to let the mud set up before knocking it down?
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belive he means the same type of finish a stucco guy would do after dashing a wall...basicly dash ..let it set up then hit it with a trowle to smooth it down and give it a texture...now shure how this would work with a ceiling type texture but belive lve seen this type of texture before in my travels
Yes the larger nozzle. You will need a test spot to fool with the consistency of your mix, air pressure and how long to wait before you hit it with the trowel. You will see the splatter start to bleed on the drywall paper. If your inside with heat it can get away from you quick. All the above will have an effect on you finished pattern, just depends what your looking for. Also how fast you move the gun.
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In my experience if you are doing knockdown over a painted or primed wall with very little existing texture, its best to shoot an orange peel, medium texture first. after that has set hit it with knockdown. I use a medium to large bore nozzle, low pressure with a pancake mix consistancy.I find shooting it with orange peel eliminates "bare spots" on the wall. I remember the first time I did knock down I did it over freshly skimmed and prepped rock, and ended up spending more time touching up to kill the bare spots than I did for actually shooting it the first time.
I did a ceiling patch at a HO's house the other day & I couldn't match the knockdown texture. It was some goofy stamped 3"x10" pattern that must have been attached to a pole. In between the patterns the ceiling is bare (no texture whatsoever). All the gizmos in my van couldn't emulate the pattern.
The HO is going to experiment with a can of knockdown. Good luck.
Steve
The HO is going to experiment with a can of knockdown. Good luck.
Steve
without a picture, there really is no way to tell you.
There are spray on knockdowns, paint roller applied knockdowns, and hod applied knockdowns. They all give different texture patterns.
Each of those three general knockdowns has variations. The most obvious variation is the amount of water in the mud but there are the different size holes in the hopper gun, different nap rollers and even specific rollers to provide specific patterns, then there are a variety of ways to apply the mud with a hud or a modified hod.
There are spray on knockdowns, paint roller applied knockdowns, and hod applied knockdowns. They all give different texture patterns.
Each of those three general knockdowns has variations. The most obvious variation is the amount of water in the mud but there are the different size holes in the hopper gun, different nap rollers and even specific rollers to provide specific patterns, then there are a variety of ways to apply the mud with a hud or a modified hod.
Maybe I missed it but I didn't see where he was matching anything. But I don't have my glasses.:whistling
I've never seen sand sprayed as interior texture. Must be a big titanium or something nozzle. Don't know what you guys east of here call it but if it has sand in the texture it's called skip trowel where I'm at. Cheer Griz:thumbsup:
Cole82,
I've never seen sand sprayed as interior texture. Must be a big titanium or something nozzle. Don't know what you guys east of here call it but if it has sand in the texture it's called skip trowel where I'm at. Cheer Griz:thumbsup:
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Knockdown 101
Knockdown ceiling : prime ceiling to slow down dry time...water mud to be like pancake batter...run 100 psi...largest hole on hopper (most bold pattern) 10 x10 room box of mud... pastic walls...cover floor...12 in knife to knock down... wait about 5 mins before knocking down vary your direction very light touch. watch for lines,if you are getting a lot of lines wait a couple more minutes. Prime and paint as required.:thumbup:
Knockdown ceiling : prime ceiling to slow down dry time...water mud to be like pancake batter...run 100 psi...largest hole on hopper (most bold pattern) 10 x10 room box of mud... pastic walls...cover floor...12 in knife to knock down... wait about 5 mins before knocking down vary your direction very light touch. watch for lines,if you are getting a lot of lines wait a couple more minutes. Prime and paint as required.:thumbup:
Painterman a 12" would take forever to do a whole house.
This is what I use clear 24".
http://www.marshalltown.com/productDetail.aspx?prodID=14397
This is what I use clear 24".
http://www.marshalltown.com/productDetail.aspx?prodID=14397
Cole82 has it, a 12" knife for knockdown. Maybe in a closet. I've got a 30" steel knife I have used with great success.
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I agree but where I live no way would you find a Knockdown knife,you make do with what you have.
I'm not questioning your abilities and don't want to start an argument, but why can't you find a knockdown knife where you live? Are they illegal? You could get on off the internet.
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I had to do some repairs because of old water damage. So the ceiling is painted. I planned on priming the whole ceiling before texturing. There is no texture on the ceiling now. They want me to match the texture that they have in another room. It is a very very heavy knockdown, makes Cole's look like orange peel. After what they have was applied I bet there was not one square inch of ceiling that wasn't covered.
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Iv'e seen that on another post before. Thanks for sharing thou.:thumbsup:
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