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How to Soundproof a Basement

Basement Soundproofing Products

 

 

 

How to Soundproof a Basement

You can’t snap your fingers and silence your kid’s drum lesson, and you can’t mute the construction noises from your neighbor’s new garage. However, you can turn your basement into a soundproof oasis that’s perfect for those peaceful, quiet and calming moments we all need.

Use these basement noise reduction tips, tricks and products to determine the best way to soundproof your basement. Then sit back and enjoy the silence — you’ve earned it.

 

Benefits of Soundproofing Your Basement

Basement soundproofing is much easier than people think. Plus, it brings several benefits for your home, health and — let’s face it — sanity. Here are some of the rewards you’ll reap from quieting the noise:

1. Reduced Noise Pollution

Noise pollution is an increasingly common side effect of living in a sound-saturated and overstimulated world. Prolonged exposure to continual noise has links to adverse health effects — particularly regular exposure to sharp sounds and bass frequencies, the latter of which is the hardest to soundproof.

Reducing your home’s noise pollution correlates with:

  • Decreased stress and anxiety
  • Better sleep
  • Enhanced focus and concentration
  • Improved memory
  • Reduced risk for hearing loss or tinnitus
  • Increased cardiovascular health

2. Increased High-Focus Space

Basement soundproofing allows you to create a purposefully quiet space in an isolated area of your home. Your basement stands out as a prime candidate for sound insulation and reduction because it’s already partially removed from other floors — and the hustle and bustle taking place within them.

For example, you can use the new quiet space in your basement as a revamped:

  • Home office
  • Home music or art studio
  • Home gym
  • Home theater
  • Yoga or meditation room

All of these rooms’ activities function best with minimal disruptions. Soundproofing — delivered via sound-insulating or sound-absorbing wall, ceiling and door additions — will help increase concentration and focus within these basement rooms.

3. Improved Mental Health

quieter home correlates with positive mental health markersA quieter home environment correlates with positive mental health markers. In a time when 55% of adults report feeling stressed throughout their day, finding ways to improve mental health has never been more essential. Insulating your basement is a simple, impactful way to quiet the day’s chaos and build a mentally and emotionally renewing home.

4. Enhanced Insulation

Basements are notoriously poor insulators. If you live in a particularly cold part of the country, you know this all too well. Many basement soundproofing products and materials double as heat insulators, trapping and maintaining warm air in your basement. Alternatively, these same solutions can regulate summer temperatures, improving year-round insulation.

If the idea of a cozier basement isn’t motivation enough, consider how properly insulated rooms can save money on your energy bills — especially during winter. You can thank us later.

5. Reduced Stressors

Your home should feel like a source of respite. Even amidst the inevitable sounds, stressors and distractions of everyday life, soundproofing your basement provides a designated retreat for you and your family to slow — and calm — down.

Areas to Soundproof in Your Basement

areas to soundproof in your basementYou know the basement itself needs soundproofing, but which spot should you start with? These are the most important parts of your basement to address for successful noise insulation and soundproofing:

1. Doors

Doors are one of the most convenient places to begin when soundproofing your home’s basement.

Simply closing your doors is not enough to stop airborne distractions such as conversations, music, radio, television, traffic, pets and more. A soundproofed basement door prevents these noises from infiltrating the space, which creates that ideal quiet reprieve. Plus, many soundproof basement door products lend additional privacy — perfect if you’re setting up a home studio or office requiring minimal distractions.

2. Ceiling

Basement ceilings are the second-most-common sound contributor. Given your basement’s underground location, it’s privy to large amounts of mechanically transmitted sounds — for example, vibration-based noises such as footsteps or dropped items.

Mechanically transmitted sounds must travel through physical structures or objects. Basement ceilings, beams and other overhead supportive structures provide the perfect conduit for this noise category and, therefore, need unique solutions addressing sound insulation.

3. Floors

Unfinished basements with concrete slabs as flooring are susceptible to higher sound transmission. This happens because sound waves — airborne, mechanical, etc. — hit and reflect off such surfaces, becoming auditory vibrations that increase the entire space’s noise levels.

Other types of hard flooring function the same way, contributing to noise pollution rather than reducing it.

4. Walls

Basement walls are another important layer to integrate into your sound insulation plan.

Walls are notorious for transmitting flanking noises — or sounds that travel indirectly through wall joists, ductwork, boards and wall layers. Adding soundproofing boards and materials on top of or into basement walls minimizes flanking and mechanical noises. Even small sound barriers less than a half-inch thick can go a long way in basement soundproofing for finished or unfinished rooms.

5. HVAC and Pipes

Your home’s pipe and ductwork systems may be sneakily contributing to your sound issues. Consider the positioning of mounted air conditioners, plumbing pipes, furnaces, exposed ducts and more. And remember to consider how reverberations from each of these transfer through basement walls and ceilings. By insulating pipework, you address sounds at the source before they can infiltrate other areas of the home.

6. Windows

Last but not least, address your basement windows when considering a total basement noise insulation project. Open windows permit outside noises — but even when closed, windows aren’t truly sound-sealed, leaking noises inside and out while reducing your basement’s overall sense of privacy.

Steps to Soundproofing Your Basement

Now that you know some of the primary sources of basement sound, it’s time to silence them for good. Follow this guide when determining the best way to soundproof your basement:

1. Plan Ahead

Any home project requires a little foresight before diving in, like adding sound-absorbing insulation or sound-deflecting products to your basement.

Start by inspecting your basement’s piping, walls, doorways, ceiling, flooring and windows. Pay special attention to areas where cabling or HVAC components are currently installed, as well as electrical wiring. You’ll need to take extra care when installing insulating materials near these spots. Then, compile accurate measurements of basement features where you’ll likely implement soundproofing materials, including door frames, windows, wall beams and piping.

2. Start Small With Calk

The secret to soundproofing any room is making it as airtight as possible. Even the smallest holes or gaps contribute to sound transmission.

Start on your basement soundproofing project by tackling these minor sound-spot treatments. You can do this by applying sound-reducing or acoustic calk across the following:

  • Cracks or gaps in doorways
  • Cracks or gaps in window ledges and surrounding window frames
  • Cracks or gaps in exposed single or double drywall, as well as walls
  • Holes or gaps surrounding wiring, cables and pipework
  • Joist openings
  • Any miscellaneous, sealable cracks found in your basement

Sealing these areas sets you on the right path to a functionally soundproof basement. You can now graduate onto the next phase of your soundproofing strategies, which involve more advanced noise-reduction products.

3. Create Sound-Insulated Walls and Ceilings

Sometimes called “hushboards,” these sound-insulator products come explicitly designed for wall and ceiling applications. Installing various hushboard-like materials into your wall and ceiling systems is perhaps the most powerful weapon against sound transmission, creating the ultimate soundproof basement.

Sound-insulating hushboards and fiberboard work in two ways. First, they trap and contain noises originating in your basement. Second — and more importantly — they catch sounds from other parts of your home’s interior and exterior before they can contribute to basement noise pollution.

The best approach to creating sound-insulating walls and ceilings is to add soundproofing insulation barriers directly into or around these surfaces, depending on what your construction capabilities allow. Here are two ways to add sound insulation:

  • Exterior framework insulation: Exterior insulation products apply to the outside face of existing basement walls and ceilings. These panels, foams and sheets sit exposed on your walls, absorbing sounds as well as providing thermal benefits. To hide them, you must construct and install a secondary wall adjacent to the insulation you just placed — which essentially requires creating a room within your existing one. Build room frames perfectly matching your basement’s dimensions, with their own single or double drywall layer, then seal that new wall against your existing ones while leaving room for vents, pipes and cabling.
  • Interior drywall insulation: Conversely, insulation can be installed directly into current basement walls. This soundproofing method works best during current or ongoing home remodeling projects or as part of a total noise-reducing and sound-isolating system.

4. Address the Doors

Doors may seem like a minor culprit in permitting noise transmission throughout your home. After all, how much sound can those tiny cracks along a door’s edge really contribute to basement noise pollution?

Properly soundproofing your basement requires addressing every possible weak spot — and that includes the basement’s main door, as well as any entrances in a multi-room or finished basement.

Install adhesive perimeter seals around all basement door frames, plus sweeps for each door’s base. These provide an airtight seal without inhibiting use of the door itself. For extra insulation, you may even consider hanging sound-absorbing foam, fiberglass or cotton boards and panels on doors.

5. Cover the Ceiling

Finally, address the sound-transferring hotspot that is your basement ceiling.

Basement ceilings transmit most of the mechanical and vibration-based noises infiltrating this part of the home. Reduce these sounds through any of the following sound-absorbing methods:

  • Applying foam, fiberglass, cotton or polyurethane acoustic panels directly onto ceilings.
  • Hanging ceiling baffles to absorb sounds further, especially in large, open-concept basements with hard floors.

Note that a pure, exposed drywall ceiling will likely require insulation added into the drywall itself, which will call for removing all or part of it. Drop ceilings can have soundproofing elements installed into them relatively smoothly. An unfinished basement ceiling with ductwork, plumbing and exposed joists accommodates even more soundproofing products and options.

Soundproof Cow Products to Soundproof Your Basement

Soundproof Cow products to soundproof your basementThese acoustic and insulation products make it easy to soundproof your basement once and for all — here are our recommendations:

1. Quiet Batt™ Soundproofing Insulation

SoundProof Cow’s Quiet Batt™ Soundproofing Insulation is our premier thermal insulation product.

Fabricated from three inches of densely-packed, sound-dampening cotton fibers, Quiet Batt™ works in both indoor and outdoor environments. Sheets of Quiet Batt™ can be installed in basement interior walls and ceilings, with a tight but adaptive fit around studs, joists and more. It’s an ideal sound-absorbing solution that also provides additional thermal insulation — perfect for stand-alone installation in your basement’s walls and ceilings.

Plus, cotton-based Quiet Batt™ Soundproofing Insulation requires only a basic utility knife to cut and trim — so installation is effortless. 

2. Quiet Door™ Seals and Sweeps

Quiet Door™ seals and sweeps ensure you don’t overlook the basement doors in your DIY soundproofing project.

Soundproof Cow offers two lines of door soundproofing products that work on indoor and outdoor plastic, wood, metal and composite doors:

  • Quiet Door™ Perimeter Seals: Quiet Door™ Perimeter Seals hug your door frame’s perimeter, with adjustable mounted knobs ensuring a snug final fit.
  • Quiet Door™ Sweep: Quiet Door™ Sweeps sit at the base, or threshold, of your basement door. Installing a door sweep seals the part of your entryway that often has the largest gap, but it won’t make opening or closing the door difficult. 

SoundProof Cow also offers residential soundproofing door kits with both sweeps, stops and other door-sealing tools in one product.

3. Cow Flooring Underlayments

All of Soundproof Cow’s floor underlayments are simple-to-install sheets with several advantages. They insulate noises and warm those notoriously cold basement floors while also providing a protective barrier against mold or mildew, which is particularly beneficial if your basement has carpeting.

Choose from two main varieties of underlayments depending on your basement’s floor type:

  • PROFLEX™ 90: Our PROFLEX™ 90 underlayment fits beneath hard floor surfaces such as stone, tile or hardwood. If you’re looking for sound solutions for your finished basement floor, check out this special rubberized membrane sheet.
  • Impact Barrier QT: Impact Barrier QTs are all-purpose floor underlayments. The half-inch thick material consists of 92% recycled tire rubber, which provides better sound reduction than other leading insulation materials like cork, felt and roofing membrane fibers. Install the Impact Barrier QT under basement carpet, vinyl, laminate, tile, hardwood, stone and more.

4. Quiet Wrap™ Pipe Soundproof Wrap

Complete your basement soundproofing with Quiet Wrap™ Pipe Soundproofing Wrap.

Many older homes experience loud clanking, whirring and sloshing noises from active pipes. Quiet Wrap™ Pipe Soundproofing Wrap’s industrial-grade foam composite provides a membrane-like fit around problematic pipes. The polyurethane foam composition is safe for pipe and duct environments up to 140°F and offers flame-resistance while lending great acoustic absorption.

The best time to sound-insulate pipes is during construction or home renovations, since this is when you have unimpeded access to your pipework. However, Quiet Wrap™ Pipe Soundproofing Wrap works just as well wrapped around exposed iron, copper and polyvinyl chloride (PVC) pipes to contain distracting noises.

Shop Home Soundproofing Materials

Explore soundproofing products for residential doors, walls, ceilings, floors and more, all designed for easy installation and long-lasting application. Our history in acoustic insulation has equipped us with the knowledge and expertise necessary for creating effective soundproofing solutions.

Look through our selections and start planning your project today — because we all need a little peace and quiet, especially in our own homes.

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I just wanted to let you know that in the end, sealing the air spaces on this door worked just fine and took care of the problem.

I really appreciate you taking so much time to share your expertise with me, and in particular recommending I try the simpler solution before investing in more expensive noise barriers. That is a big credit to you and your business.

- Mike

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