![]() A 3/4″ nap roller worked like a charm to get primer in all the knockdown texture crevices. I chose to use Glidden primer since it was most cost effective and got great reviews online. Just do your research and decide what’s best for your situation. Those that say to prime first are concerned the texture may wet the drywall too much. Basically, I decided that since the drywall compound we used for texture was the same as the compound used to tape and float there was no need to prime before texture. Now there’s debate on whether you should prime drywall before or after texture or both. Hopefully, with some practice you’ll end up with walls that look similar to this: It get’s pretty monotonous and tedious unfortunately. That helped me avoid making lines in the texture with the knife. I found that keeping the knife almost parallel and flat to the wall worked best and for large areas I just went vertically in rows making sure to overlap the last pass by about an inch. I had to play around with the amount of pressure and the angle used to knock down the high points. Since mine was a large patch job from the flood it took some finesse to get it to match the existing texture. I used a large drywall knife like this for the large areas and then a combo of smaller knives around window sills and tight areas. I found that if I waited until there was no longer a sheen to the compound it was ready to be knocked down. The hard part is not spraying the texture though…it’s actually knocking it down. You’ll need to practice a little on some scrap drywall to see where yours falls to best match what you have if you’re patching. This was probably the best setting I found since my texture is pretty “globby” and large. ![]() This video from YouTube was especially helpful in getting the mix just right.Īfter you get everything mixed hook up your hopper to the air compressor and set the pressure to 20-40 psi. ![]() So basically I just added a little bit of water to a few scoops of joint compound until it was the correct consistency. The joint compound should resemble pancake batter. I like to just thin out the joint compound because it dries a little faster and isn’t as watery. You’ll also need an air compressor and some pre-mixed joint compound or wall texture mix. We used a hopper that we borrowed from our neighbor, but you can get one here or here. The supplies are pretty basic, it’s technique that counts. Mastering Knockdown Texture has been a challenge to say the least, but hopefully these tips will keep you from making the same mistakes during your learning curve. Whew! These last few months have flown by with all the work we’ve been doing since Harvey.
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