Do you have buyed a Generator for camping or for home or office and it produces lots of noise? If yes, you are in the right place as in this article, we are going to learn best possible ways to build soundproof box for generator.
Do you know generator use to produce sound in a range of 40db to 300db? Generators that use to produce sound in a range of 40db to 100db is considered as a noise less generator.
As we all know, from past article of this blog 104 million individuals had annual LEQ(24) levels > 70 dBA (equivalent to a continuous average exposure level of >70 dBA over 24 hr) in 2013 and were at risk of noise-induced hearing loss.
The condition is also getting more severe day by day, Now a day according to an estimate more than 220 million individuals in the USA are at risk of noise-induced hearing loss. Out of these people, more than 1% of people are at the risk because of the sound produced inside homes or offices.
So, for our security, we need to soundproof generators that use to produce sound in a range of 100db to 300db. To Soundproof these generators we need to Build Soundproof Box for Generator.
- Types of Boxes You Can Build Based on Budget
- How To Build A Soundproof Box For Generator?
- Cost estimates for building a soundproof box for the Generator
- What level of decibel reduction can you expect from constructing a soundproof box?
- How to Soundproof an Existing Generator Enclosure?
- How to maintain a Sound Proof Generator box?
- Way Forward: How To Build Soundproof Box For Generator?
Types of Boxes You Can Build Based on Budget
During our research, we found that the type of soundproof box you choose will depend on your budget, the desired level of noise reduction, and the specific application. Here’s an overview of various types of soundproof boxes:
1. Basic Soundproof Box:
- Materials: Basic materials like plywood or MDF (medium-density fiberboard), with some form of insulation.
- Noise Reduction: Minimal to moderate.
- Applications: Small projects, basic machinery, or quieting small noise sources like computer fans.
- Cost: Relatively low.
- Construction Tips: Use caulking to seal gaps, and add a basic insulation layer like acoustic foam or rock wool.
2. Acoustic Foam Box:
- Materials: Plywood or MDF, with an interior lining of acoustic foam.
- Noise Reduction: Moderate.
- Applications: Recording microphones, small musical instruments, or slightly louder machinery.
- Cost: Moderate.
- Construction Tips: Focus on airtightness and double-layered foam for added sound absorption. Consider using different densities of foam for improved results.
3. Double-Walled Box:
- Materials: Two layers of plywood or MDF with an air gap between them, filled with insulation like fiberglass or rock wool.
- Noise Reduction: Moderate to high.
- Applications: Larger machinery, high-noise sources, or small recording booths.
- Cost: Moderate to high.
- Construction Tips: Ensure the air gap is consistent and the insulation is evenly distributed. Use resilient channels to reduce sound transmission through the walls.
4. Professional-Grade Soundproof Box:
- Materials: High-density materials like concrete, multiple layers of drywall with mass-loaded vinyl, or dense foam.
- Noise Reduction: High.
- Applications: Professional recording booths, industrial machinery, or server rooms.
- Cost: High.
- Construction Tips: Implement mass-loaded vinyl between layers to enhance sound blocking. Ensure all seams and joints are sealed with acoustic sealant. Consider using sound isolation mounts or resilient mounts to reduce vibrations.
5. Modular Soundproof Box:
- Materials: Pre-fabricated panels made of soundproofing materials.
- Noise Reduction: Moderate to high.
- Applications: Adaptable to various uses, including industrial and residential applications.
- Cost: Moderate to high.
- Construction Tips: Follow the manufacturer’s assembly instructions. These boxes are designed for ease of assembly and flexibility in reconfiguration.
For more effective noise reduction, consider other factors such as door design, ventilation, and electrical penetration. Implement double or heavy-duty doors with soundproofing seals, use acoustic baffles for ventilation, and seal all penetrations for electrical or other cabling with acoustic sealant.
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How To Build A Soundproof Box For Generator?
Before we move ahead on “How To Build Soundproof Box For Generator?” here is a video that will illustrate whole work posted below in video format.
Let’s start the construction of the sound proof box for the generators one by one:
Step 1: Measure the dimensions of the Generators
Now you have to measure the dimensions to Build a Soundproof Box for the Generator. Globally, most of the mid-sized generator is 40′ x 8.0′ x 13.5′ inches.
So, you have to make a soundproof box much larger than the dimension of the generator you have purchased. If you have purchased a 40′ x 8.0′ x 13.5′ inche generator, then, you need to Build a Soundproof Box for the Generator with a dimension of 48′ x 15.0′ x 15′ Inche.
In my case, I have built the soundproof generator case of 47′ x 16.0′ x 17′ inches when I have generator of 40′ x 8.0′ x 13.5′ inches.
Step 2:- Install the Acoustic Panels inside the Box
Now you have to install Acoustic Panel inside the box to sound proof the box. For the dimensions of generator referred above in this article you need to have at least 20 to 25 acoustic panel in this whole process.
For this whole process, We recommend TRUE NORTH Acoustic Foam Panels, and DEKIRU 12 Pack Acoustic Panels Sound Proof Padding.
Step 3:- Now Implement Acoustic Sealant and Adhesive
When you Build Soundproof Box for Generator, it’s very important to implement Acoustic Selent or adhesive from inside or outside of the box. This will improve overall sound proofing of the box.
For the whole process, We recommend Green Glue Noiseproofing Compound, and Green Glue Noiseproofing Compound. Both material, we recommend above are used by us to soundproof our box made for generators.
Step 4:- Seal the box with three mouth opening to air
While sealing the box that you Build as a Soundproof Box for Generator, you need to take care that there should be two mouth open to access in every condition.
Mouth 1:- Control Board
Control Board of the generator use to contain everything to switch on or to swticg off the device. On a regular basis, you need to switch-on and switch-off the device as generators use to play key role for the power backup.
Mouth 2:- Smoke Out and OXYGEN IN
To run the generator, you must burn fossil fuels (Coal, Gas, Crude). Normally, fuel needs oxygen from air for the combustion of fossil fuel. So, you need a mouth from where the generator can easily intake the oxygen from the Air.
After the combustion of the fossil fuel, Carbon dioxide along with the other gases used to be produced by the generator. So, you need a mouth to release these gases into the air.
After completing all four steps, we have listed above. you successfully Build a Soundproof Box for the Generator.
Cost estimates for building a soundproof box for the Generator
Building a soundproof box for a generator requires consideration of various factors, including the box’s size, materials, noise reduction requirements, and additional features like ventilation. Here’s a breakdown of estimated costs for different types of soundproof boxes:
1. Basic Soundproof Box
- Materials: Plywood, MDF (Medium-Density Fiberboard), acoustic foam, weather stripping, caulk, hinges, latches.
- Approximate Cost: $100 – $300.
- Notes: This option is ideal for small generators with moderate noise output. It provides basic noise reduction with a simple construction process.
2. Acoustic Foam Box
- Materials: Higher quality plywood or MDF, thicker acoustic foam, soundproofing seals, insulation.
- Approximate Cost: $300 – $600.
- Notes: This type offers more substantial noise reduction and is suitable for slightly louder generators. It may include thicker walls, better insulation, and stronger seals for soundproofing.
3. Double-Walled Box
- Materials: Double-layered plywood/MDF, insulation (like rock wool or fiberglass), acoustic foam, resilient channels.
- Approximate Cost: $600 – $1,000.
- Notes: This design offers significant noise reduction, ideal for larger or louder generators. The double-wall construction with insulation reduces sound transmission.
4. Professional-Grade Soundproof Box
- Materials: High-density materials (like concrete board, mass-loaded vinyl), specialized insulation, acoustic doors, sound-isolating hardware.
- Approximate Cost: $1,000 – $2,500.
- Notes: This level of soundproofing is intended for industrial-grade generators or applications requiring minimal noise pollution. It includes robust construction with high-quality materials.
Additional Considerations
- Ventilation: Generators require proper ventilation to prevent overheating. Consider including vents with sound baffles to allow airflow while reducing noise. Ventilation components can add an additional $50 – $200 to the cost.
- Access Doors/Windows: If you need to access the generator frequently, a soundproof door or hatch may be required. Adding a door with proper seals can increase costs by $100 – $300.
- Labor Costs: If you’re hiring professionals to build the box, labour costs will vary based on the complexity of the project and local rates. Labour could add $500 – $1,500 or more, depending on these factors.
These cost estimates are approximations and can vary based on location, specific materials, size, and other factors. When budgeting for your soundproof box, be sure to consider additional features like ventilation, mobility (e.g., casters), and accessibility for maintenance.
What level of decibel reduction can you expect from constructing a soundproof box?
You can expect a decrease in decibels ranging from 30% to 70% of the total sound generated by the Generator. In my situation, I experienced a reduction of the sound levels by approximately 85db, which has significantly improved the overall noise pollution in my environment.
This reduction has made it much more pleasant to work and live in the vicinity of the generator, allowing for a quieter and more peaceful atmosphere overall.
How to Soundproof an Existing Generator Enclosure?
Soundproofing an existing generator enclosure involves enhancing its sound-absorbing and sound-blocking properties without compromising ventilation and safety. Here are the steps to soundproof an existing generator enclosure:
1. Assess the Existing Enclosure
- Check for gaps, cracks, or openings in the enclosure that could be allowing noise to escape. Examine the structure’s material and determine the noise source (e.g., engine noise, vibration, exhaust).
2. Seal Gaps and Cracks
- Use acoustic sealant or caulk to seal any gaps, seams, or cracks in the enclosure. Pay close attention to the areas where different panels meet and around any openings for cables or pipes.
- Install weatherstripping or rubber gaskets around doors and access points to ensure a tight seal when closed.
3. Add Sound-Absorbing Materials
- Line the interior of the enclosure with sound-absorbing materials such as acoustic foam, fiberglass panels, or rock wool. These materials will help absorb sound within the enclosure and reduce echo.
- Ensure these materials are fire-resistant and suitable for high-temperature environments.
4. Implement Sound-Blocking Barriers
- If the enclosure’s walls are thin, consider adding a layer of mass-loaded vinyl (MLV) or additional panels of plywood or MDF to increase density and block more sound.
- For a more robust solution, add a second wall with an air gap filled with insulation, creating a double-wall structure that blocks sound transmission.
5. Address Ventilation
- Generators require proper ventilation to prevent overheating, so ensure that any soundproofing does not compromise airflow.
- Install ventilation baffles or acoustic louvers to allow air to circulate while reducing noise escape. These devices direct air while limiting sound transmission.
- Consider adding an exhaust muffler to reduce noise from the generator’s exhaust system.
6. Minimize Vibration
- Generators can create vibrations that lead to additional noise. Use anti-vibration mounts or pads to isolate the generator from the enclosure’s base or mounting surface. This helps prevent vibrations from transferring to the enclosure and creating noise.
- Consider reinforcing the enclosure structure if it’s prone to rattling or shaking.
7. Consider Additional Noise Barriers
- If the generator is in a location where noise can travel through windows or openings, consider using noise barriers, such as acoustic curtains or soundproof panels, around the enclosure to further reduce noise escape.
- These additional barriers can help contain sound and reduce its impact on surrounding areas.
By following these steps, you can effectively soundproof an existing generator enclosure while ensuring that the generator operates safely and efficiently.
How to maintain a Sound Proof Generator box?
Maintaining a soundproof generator box is crucial to ensure its continued effectiveness in noise reduction, safety, and optimal generator performance. Proper maintenance also helps prolong the life of the box and the generator itself. Here’s a comprehensive guide on how to maintain a soundproof generator box:
1. Regular Inspections
- Frequency: Perform regular inspections, ideally once a month, or more frequently if the generator is used heavily.
- What to Check: Look for signs of wear and tear, such as cracks, gaps, or damage to the soundproofing materials. Check for rust or corrosion on metal components and ensure all doors and panels are properly sealed.
2. Clean the Enclosure
- Frequency: Clean the enclosure at least every few months or more often in dusty or dirty environments.
- Steps: Remove dust, dirt, or debris from inside and outside the enclosure. Use a soft brush or cloth to clean acoustic foam or other soundproofing materials. Avoid using harsh chemicals that could damage the materials.
- Ventilation: Ensure ventilation openings are clear of obstructions. Clean or replace any filters used in ventilation systems.
3. Maintain Soundproofing Materials
- Check for Damage: Inspect acoustic foam, mass-loaded vinyl, or other soundproofing materials for damage or compression. Replace any damaged or degraded materials to maintain soundproofing effectiveness.
- Seals and Gaskets: Check weatherstripping and gaskets for wear and tear. Replace as needed to ensure a tight seal on doors and access panels.
4. Lubricate Hinges and Latches
- Frequency: Lubricate moving parts like hinges, latches, and locks every few months or as needed.
- Steps: Use a suitable lubricant to prevent squeaking and ensure smooth operation of doors and access panels.
5. Address Vibration and Structural Issues
- Anti-Vibration Pads: Check the condition of anti-vibration pads or mounts. Replace if worn or damaged.
- Structural Integrity: Inspect the box’s structure for any signs of warping, bending, or instability. Reinforce as necessary to maintain stability and prevent noise from escaping due to structural issues.
6. Monitor Generator Performance
- Generator Maintenance: Follow the generator’s maintenance schedule, including oil changes, air filter replacement, and other routine checks. A well-maintained generator will operate more quietly and efficiently.
- Noise Levels: If you notice an increase in noise levels, investigate the cause. It could be due to mechanical issues with the generator or problems with the soundproofing box.
7. Ensure Proper Ventilation
- Temperature Checks: Monitor the temperature inside the enclosure to ensure the generator is not overheating. Install a temperature sensor if necessary.
- Ventilation Maintenance: Clean and maintain ventilation systems, ensuring air flows freely without compromising soundproofing. Consider using acoustic baffles to maintain airflow while reducing noise leakage.
By following these steps, you can ensure your soundproof generator box remains effective in reducing noise, allowing your generator to operate safely and efficiently. Regular maintenance is key to extending the life of both the box and the generator while maintaining a quieter environment.
Way Forward: How To Build Soundproof Box For Generator?
In this article, we successfully Build Soundproof Box for Generator we use. But, in place of building soundproof box, you should buy generator that use to produce very low intensity of sound.
If you think, I forgot to mention any step needed to build a sound proof box for the generator. Please list that below in the comment section.
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Born in Delhi (INDIA), I created this to share my 4 Years of experience in the SoundProofing Industry.