bfullmer

Member
Would like to have inside of pole barn painted before it gets packed with junk, called local guy -booked up for months !! What kind of sprayer works good on latex paint ?? airless or not? It is OSB is there a paint that does not need primer ? I hate painting LOL
 
Airless works great with latex. Once you select a sprayer, size the nozzle for latex paint, put it on heavy. Primer will save you some money. It is cheaper than paint, reduces the amount of paint you have to buy.
 
I did that a couple years ago in my shop. I used an airless sprayer and had great results. You may find you need to backroll the paint applied with the airless to get good adhesion on the OSB. An airless sprayer does not have a lot of overspray but they are a bear to clean.
 
An airless is actually made for latex and will apply more paint faster than just about anything you could use. You don't necessarily have to use a primer on wood however depending on the paint may take three or four coats to do the job. A primer has more solids so the paint covers easier. If you use a paint that is labeled paint and primer in one paint it will have more solids than most regular paint and will cover easier.
 
I have used an airless paint sprayer for jobs like yours. The local rental place has them to rent. The good ones cost over $1K but you can rent them for $30 a day here. There are some units that are in the $3-4 hundred range that are pretty good too. Also unlike the little quart hand held guns these sprayers are pretty easy to use and clean. So ask your local rental place. My closest one is the local lumber yard. Maybe one of the local lumber yards or paint stores in your area may have them to rent too.
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Airless is the way to go. But getting good looking coverage on OSB is difficult. Angling the gun this way and that to fill in all the cracks puts enough paint on the rest of the surface to cause it to run. Use the gun to load the surface with a heavy coat and follow up with a roller to fill in/flood the cracks. A very light color will make the cracks much less noticeable and will make the barn's lighting more efficient. Priming will make the job easier and you will need less of the cover-coat. It is a lot of work. That's just the way it is with paint!
 
A air spray gun can work if you have a compressor or also want to paint other things not using latex. You'll need a pressure pot. Harbor Freight sells a gun&pot kit for about $50 last time I looked. On OSB you'll want to brush over just sprayed paint with a big paint brush.
 

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