How To Spray Joint Compound

When using joint compound, always wear a respirator to avoid breathing in the dust. Joint compound can be sprayed with a standard paint sprayer. Load the joint compound into the sprayer and adjust the nozzle to produce a fine mist. Hold the sprayer about 8 inches from the surface and spray in a sweeping motion.

How To Spray Joint Compound

There are a couple of ways to spray joint compound. You can either use a hopper gun or a pump-up garden sprayer. The easiest way to use a hopper gun is to fill it with joint compound, attach the hose, and turn the gun on. Point the gun at the surface you’re working on and squeeze the trigger. The joint compound will be sprayed out in a fine mist. If you’re using a pump-up garden sprayer,

-Tape measure -Paint roller -Paint tray -Joint compound -Stiff brush – putty knife – Sandpaper – Dust mask – Safety goggles

  • Clean the surface of the joint with a wire brush
  • Spray the joint compound onto the surface and feather it out with a putty knife wait for the joint compound to
  • Mix the joint compound according to the instructions

-Always test a small area before spraying the entire surface. -Hold the can 8-10 inches from the surface and spray in a side-to-side motion. -Keep the can moving while you spray to avoid drips or runs. -After the first coat dries, sand it lightly with 220-grit sandpaper to smooth out any ridges or bumps. -Apply a second coat, and then sand again. -If you’re using a

Frequently Asked Questions

How Do You Smooth Out Joint Compound?

To smooth out joint compound you can use a trowel, a putty knife, or a drywall knife.

Should Joint Compound Be Thinned?

Yes, joint compound should be thinned. When it is applied too thick, it can cause the finished surface to crack.

How Do You Smooth Rough Drywall Mud?

There are a few ways to smooth rough drywall mud. One way is to use a drywall knife. Another way is to use a sanding sponge.


To spray joint compound, use a hopper gun to apply the compound to the joint. Work the compound into the joint with a putty knife, then smooth it out with a drywall knife.

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