How To Put Acoustic Foam On Walls Without Damaging

by Matthew David | Updated: 09/15/2023

How To Put Acoustic Foam On Walls Without Damaging

Hey friend! Are you looking to add some acoustic foam panels to your walls to improve the sound in your home studio or practice space? I feel you – I’ve been there too. But slapping up foam wedges isn’t as simple as it looks. You’ve gotta be strategic to get those sound-absorbing panels up on your walls without causing any damage.

Not to worry though, I’ve picked up a few tricks over the years for installing acoustic foam properly. I’ll walk you through all the steps so you can soundproof your space and keep your walls looking pristine. Get ready for a noise-free oasis!

The Lowdown on Wall Types

Before we get to the fun stuff, we need to talk about your walls. Not all walls are made the same, so the installation method will depend on what you’re working with.

Drywall is by far the most common wall material. It’s easy to put up but can dent and tear easily. We’ll need to be gentle with drywall.

Solid walls like brick, concrete, or plaster are tougher. But their rough texture makes sticking things to them tricky. We’ll need some heavy-duty tools.

If you’ve got wallpaper, treat it like drywall. But beware that adhesive can pull it right off if you’re not careful.

And we can’t forget about textured walls with bumps, ridges, or uneven paint. They need a special touch too.

Okay, now that we’ve got the wall sitch squared away, let’s talk about the foam itself.

Acoustic Foam 101

Acoustic foam panels are made of open-cell polyurethane foam. This porous material absorbs sound energy instead of reflecting it. The result? No echoes or unwanted reverb. Just clear, balanced sound.

Foam panels come in all different shapes like wedges, pyramids, and waves. The geometry affects how the foam absorbs various sound frequencies. Most people stick with wedge or pyramid panels since they work well across the frequency spectrum.

When choosing your foam, consider the thickness. 1-2 inches is ideal for home studios. Go thicker if you need serious soundproofing. The density impacts durability and longevity. Low-density foam compresses easily, while high-density foam holds its shape. Find a happy medium between acoustic performance and resilience.

Got your panels picked out? Great! Now we can get these babies prepped for mounting.

Prep Work Makes Perfect

Before we stick anything to the wall, we need to get the foam ready with proper backing material. This gives the panels rigidity so they mount flush against the wall. No gaps allowed!

First, measure your wall space and cut your acoustic foam to size. Use a sharp utility knife to avoid jagged edges.

Now whip out a sheet of rigid cardboard, MDF, or PVC. Cut it to match your foam piece. Secure it with spray adhesive like 3M Super 77 or Loctite. Just a few light coats on the backing and foam. Let it dry completely before moving on.

This backing step is optional but highly recommended. It prevents the flexible foam from buckling on the wall. Ok, your acoustic panels are prepped and ready for installation!

Mounting Methods for Each Wall Type

Now comes the fun part – it’s time to stick these foam squares on your walls! We’ll go through the best techniques for different wall materials.

Commanding Drywall

For drywall, command strips are my go-to. These removable plastic hooks stick securely but won’t rip up your walls. It’s a renter’s dream!

Start by cleaning the wall with rubbing alcohol where the strips will go. Apply at least 4 strips per foam panel – one on each corner. Press the adhesive firmly for 30-60 seconds before attaching the foam.

If your panel is extra heavy duty, use 6-8 strips. Each pair adds 2-3 lbs of holding power. Command strips make acoustic treatment a breeze!

Conquering Solid Walls

For untreated brick, concrete, or plaster, Velcro strips are just the ticket. The industrial-strength adhesive backing keeps the hook-and-loop secure on rough surfaces.

First, attach Velcro strips to the back of your foam panels. Use 2-4 strips per panel.

Next, stick the other Velcro sides directly onto the wall in your desired formation. Give them a good, hard press for 30 seconds to a minute before attaching the panels.

The Velcro allows you to remove and reposition the foam as needed. Super handy for adjusting your layout down the road!

Priming Exposed Brick

If your studio space flaunts exposed brick, have no fear! Brick clips let you hook foam panels without sticking anything to the brick.

Simply slide the adhesive-backed clips into the mortar lines and attach hooks. Hang your acoustic foam on the hooks and admire the industrial chic vibe.

You can also use adhesive magnet sheets if you want something less permanent. Stick them to the brick, then magnetically attach your foam. Just be sure your foam panels have a magnetic metal backing.

Brick’s unique texture calls for special solutions. But with the right hardware, exposed walls make a cool-looking sound studio.

Going up Temporarily

If this is just a temporary setup or you’re renting, there are easy options that don’t involve adhesives or holes.

Lattice panels work great for foam installation that you can easily take down later. Just secure the acoustic foam to the lattice pieces with zip ties. Then lean the lattices against the wall where you want them.

Adhesive hooks like removable 3M hooks also let you hang foam without touching the wall. Stick them to the ceiling or molding and use string to attach your foam panels.

Double-sided tape gets the job done with no trace left behind. Put layers of foam-safe tape on your foam backing and stick it right to the wall. It may not hold heavy panels for long, but works fine for temporary sound dampening.

Finishing Touches

You’re so close to acoustic bliss! Just a few final reminders:

Okay, your acoustic foam should now be mounted securely on your walls without any pesky damage or holes. Well done, friend!

Outro

Whew, that was quite the acoustic foam journey! But now your studio is sound-optimized and wall-damage free. Get ready to crank up those amps and rock out in a balanced audio environment. Treat your ears to some crisp, echo-less mixes.