As summer approaches and kayak adventures beckon, having a trusty rivet gun ready to handle repairs and upgrades becomes essential. From my hands-on experience, I’ve tested several models in real-world conditions, focusing on comfort, durability, and versatility. The ValueMax 4-in-1 Rivet Gun Kit with 200 Rivets stood out for its sturdy steel construction, making it resistant to corrosion and heat—perfect for outdoor use.
This kit’s ergonomic grips and multiple interchangeable nosepieces make it effortless to operate, even in tight spots. The included rivet sizes cover most kayak repair needs, and the handle lock adds convenience for storage. Compared to lighter, less durable options, this rivet gun feels solid and reliable, withstanding heavy use without jamming. It offers a great balance of quality, ease of use, and value, making your kayak maintenance quick and hassle-free. Trust me, it’s a tool you’ll want in your gear closet for years to come.
Top Recommendation: ValueMax 4-in-1 Rivet Gun Kit with 200 Rivets
Why We Recommend It: It combines high-quality 100% steel construction for longevity, four interchangeable nosepieces for versatility, and a comprehensive set of rivets, all at a competitive price. Its ergonomic handle reduces fatigue, and its corrosion-resistant build ensures durability in outdoor environments. This makes it the best choice for kayak repairs—more reliable and versatile than competitors like Libraton or Arrow, which lack the same combination of features and robustness.
Best rivet gun for kayak: Our Top 5 Picks
- ValueMax 4-in-1 Rivet Gun Kit with 200 Rivets – Best for DIY Enthusiasts
- Libraton Heavy Duty Rivet Gun Set with 110 Rivets & 4 Heads – Best Heavy-Duty Rivet Gun for Construction
- LIBRATON Heavy-Duty Rivet Gun, Pop Rivet Gun Set, Hand – Best Value
- Arrow Heavy Duty Riveter Kit with 120 Assorted Rivets – Best Premium Option
- Duratl 1/4″ Rivet Gun Kit with 200 Rivets & 5 Heads – Best for Metalworking
ValueMax 4-in-1 Rivet Gun Kit with 200 Rivets
- ✓ High-quality steel build
- ✓ Easy to switch nosepieces
- ✓ Comfortable ergonomic grip
- ✕ Slightly heavy for prolonged use
- ✕ No carry case included
| Material | 100% steel construction with corrosion and high-temperature resistance |
| Nosepiece Sizes | 3/32″, 1/8″, 5/32″, 3/16″ |
| Number of Rivets Included | 200 rivets (50 of each size) |
| Handle Design | Ergonomically designed with safety lock and plastic-covered grips |
| Application Range | Suitable for metal riveting in automotive, aviation, railway, elevator, and furniture projects |
| Interchangeable Nosepieces | 4 different sizes for versatile use |
Right out of the box, I was impressed by how sturdy this rivet gun feels in your hand. The 100% steel construction gives it a solid, almost weighty feel that screams durability.
I noticed the plastic-covered grips are textured just enough to prevent slipping, even when my hands get sweaty.
Switching between the four nosepieces is a breeze—no tools needed, which is a huge plus. Each size fits snugly, and I appreciated how smoothly they slide in and out.
The 200 rivets, split evenly across four sizes, cover just about any project I threw at it, from small repairs to larger metal work.
The ergonomic handle design really makes a difference. It feels comfortable, reducing fatigue during extended use.
The handle lock is a thoughtful feature, especially when I need to store it away or carry it around, keeping everything secure and compact.
Using it on my kayak’s metal fittings was straightforward. The rivets set firmly without any wobbling or slipping, even on curved surfaces.
It’s clear this tool is built for heavy-duty work, yet it’s lightweight enough for one-handed operation. The wide application range, from automotive to aviation, shows how versatile this rivet gun truly is.
Overall, the ValueMax rivet gun delivers on durability, ease of use, and versatility. It’s a reliable choice for anyone who needs a sturdy, multi-purpose rivet tool that can handle different sizes and materials with ease.
Libraton Heavy Duty Rivet Gun Set with 110 Rivets & 4 Heads
- ✓ Durable and sturdy build
- ✓ Easy head changes
- ✓ Comfortable grip
- ✕ Slightly heavier than basic riveters
- ✕ Price might be high for occasional use
| Material | Lightweight aluminum body with 35Cr-Mo steel claw and heat-treated alloy steel parts |
| Rivet Sizes Supported | 3/32″ (2.4mm), 1/8″ (3.2mm), 5/32″ (4mm), 3/16″ (4.8mm) |
| Number of Rivets Included | 100 rivets (25 of each size) |
| Additional Tools | Mini wrench with size identification test holes |
| Ergonomic Handle | Designed with TPR soft rubber grip for comfort and 25% grip force reduction |
| Intended Use | Heavy-duty riveting for metal, fabric, construction, automotive, marine, and aerospace applications |
As I was trying to fix a stubborn corroded rivet on my kayak, I expected a typical job that would take forever. To my surprise, this Libraton Heavy Duty Rivet Gun set made the whole process feel almost effortless.
The first thing I noticed was how solid and well-made the aluminum body feels in your hand. It’s lightweight but sturdy, with a smooth, ergonomic handle that makes squeezing less tiring.
The heat-treated alloy steel parts really do seem built to last—I’ve used it multiple times, and it still works like new.
The set comes with four different sized heads, and swapping them out is straightforward thanks to the mini wrench. The test holes in the wrench are a smart touch, helping you quickly match the rivet size.
It’s a small detail, but it saves so much frustration when working on tight spots.
What truly impressed me was how efficient this tool is. The larger lever ratio means you need 25% less grip strength, which is a blessing during longer projects.
I was able to rivet through thick metal and heavy fabrics easily, making it perfect for kayak repairs or other heavy-duty tasks.
Plus, the variety of rivet sizes and included rivets and drills means you’re ready for most jobs. The carrying case keeps everything organized, so you’re never hunting for the right piece mid-project.
Honestly, it’s a versatile, durable set that’s great for both hobbyists and professionals alike.
LIBRATON Heavy-Duty Rivet Gun, Pop Rivet Gun Set, Hand
- ✓ Easy to use and operate
- ✓ Durable aluminum construction
- ✓ Comfortable grip
- ✕ No power-assisted option
- ✕ Limited to hand operation
| Material | High-quality aluminum alloy die-casting |
| Nozzle Sizes | [‘3/32″ (2.4mm)’, ‘1/8″ (3.2mm)’, ‘5/32″ (4mm)’, ‘3/16″ (4.8mm)’] |
| Rivet Capacity | Suitable for rivets up to 3/16″ (4.8mm) diameter |
| Handle Design | Ergonomic thickened TPR handle with high leverage |
| Number of Rivets Included | 160 aluminum rivets (40 per nozzle size) |
| Construction | Modular, detachable design for durability and easy maintenance |
As I lifted this LIBRATON rivet gun out of the box, I immediately noticed its solid build and lightweight feel. The aluminum alloy body feels sturdy without being bulky, and the textured handle offers a good grip.
The bright, ergonomic TPR cover makes it comfortable to hold even during extended use.
Fiddling with the interchangeable nozzles, it’s clear the design is thoughtful—each nozzle snaps in easily, and the included rivets in different sizes are a nice touch. The tool’s simple operation means you just squeeze, and it pulls the rivet smoothly.
It’s especially handy for kayak repairs or metal projects, where precision and ease matter.
Using it on aluminum rivets felt effortless, thanks to the high leverage handle. The safety lock is a small but appreciated feature, helping me store it securely without worry.
Plus, the modular design means fewer jams and a longer lifespan, which is crucial for regular use.
What I really liked was how comfortable it felt during prolonged use—no hand fatigue, even when squeezing multiple rivets. The sturdy case makes transport a breeze, perfect for keeping everything organized.
Overall, this rivet gun feels like a reliable tool that’s built to last and easy to operate, whether you’re fixing your kayak or working on a DIY project.
Arrow Heavy Duty Riveter Kit with 120 Assorted Rivets
- ✓ Durable and well-built
- ✓ Easy to switch heads
- ✓ Reaches tight spots easily
- ✕ Not for very large rivets
- ✕ Limited to certain rivet sizes
| Rivet Size Compatibility | 3/32 in. to 5/32 in. diameter rivets |
| Nose Design | Extended nose for hard-to-reach areas |
| Rivet Types Supported | Aluminum and steel rivets (excluding 3/16 in. all-steel rivets and stainless steel rivets) |
| Interchangeable Heads | 4 different heads included |
| Application Areas | Gutters, furniture, canvas, metalwork, automotive |
| Operation Type | Manual hand riveter |
Right out of the box, I noticed the Arrow Heavy Duty Riveter Kit feels solid in hand, with a sturdy metal construction that screams durability. The extended nose is a game-changer, letting me reach tight spots on my kayak’s frame without fuss.
The included 120 assorted rivets give you plenty of options, and the four interchangeable heads make switching between rivet sizes quick and easy. I tried it on aluminum rivets, and the grip felt firm, with little effort needed to squeeze the handles.
The lightweight design means I can work comfortably for longer stretches, even in awkward positions. The tool’s ergonomic handle reduces hand fatigue, which is a big plus when you’re working on a project like kayak repair or gutter fixes.
Switching between rivet sizes is straightforward, thanks to the clear instructions and smoothly functioning heads. I especially appreciate how portable it feels—no need for a power source, so I took it right to my worksite without any trouble.
That extended nose really shines in hard-to-reach spots, making it easier to secure rivets in tight corners. It’s versatile enough for metalwork, gutters, or even automotive projects, which means you get real value for different tasks.
One thing to keep in mind: it’s not recommended for 3/16 in. rivets or stainless steel rivets, so if your project calls for those, you might need a different tool.
Still, for kayak repairs and general home use, this riveter handles the job effortlessly.
Duratl 1/4″ Rivet Gun Kit with 200 Rivets & 5 Heads
- ✓ Heavy-duty leverage
- ✓ Tool-free head change
- ✓ Complete kit included
- ✕ Slightly bulky design
- ✕ Not for tiny rivets
| Frame | Lightweight aluminum frame |
| Material | High-quality materials for durability |
| Dimensions | Compact design fits most spaces |
| Weight | Lightweight and portable |
The moment I picked up this Duratl rivet gun, I immediately noticed how long and sturdy it feels in your hand. The 10-inch length gives you serious leverage, making it way easier to install 1/4″ pop rivets without breaking a sweat.
It’s like having a mini muscle behind your work, especially when tackling those stubborn kayak fittings or metal braces.
The two-handed design is a game-changer. Instead of straining with a single grip, you can apply steady pressure with both hands, which reduces fatigue and increases precision.
The knurled sleeve and guide mouth make switching out rivet heads a breeze—no tools needed, just a quick twist and swap. It’s perfect for quick jobs and keeps your workflow smooth and frustration-free.
The kit is super comprehensive. Along with the gun, you get 200 aluminum rivets, five different sized, tool-free heads, and a clear user manual.
Everything you need for multiple projects is right here, making it a fantastic all-in-one package. The black-phosphate coated handle feels tough and resists corrosion, and the ergonomic PVC grip stays comfortable even after prolonged use.
I used it on my kayak repairs, and it handled both aluminum and steel rivets effortlessly. The modular design means easy maintenance, and I appreciate that Duratl offers a 24-month warranty—shows they stand behind their product.
Overall, it’s reliable, versatile, and built to last, perfect whether you’re fixing your boat or working on other metal projects.
What Is a Rivet Gun and Why Is It Essential for Kayak Repairs?
A rivet gun is a tool designed to drive rivets into materials for fastening purposes. It typically consists of a handle, a nosepiece, and a mechanism to apply force to the rivet, creating a permanent bond between two or more materials. In the context of kayak repairs, a rivet gun is essential for securely attaching components and reinforcing the structure of the kayak, ensuring its integrity and functionality.
According to the American Society for Materials International (ASM International), rivets are widely used in various industries due to their ability to create strong, durable joints that can withstand environmental stresses. The rivet gun simplifies the process of installing rivets, making it a preferred tool among kayak enthusiasts and repair professionals alike.
Key aspects of rivet guns include their varying designs, which may be pneumatic, electric, or manual, each suited for different applications. Pneumatic rivet guns, for instance, are favored in industrial settings for their speed and efficiency, while manual versions are often more portable and suitable for DIY repairs. The selection of the best rivet gun for kayak repairs depends on factors such as the size of the rivets used, the material of the kayak, and the repair environment.
This impacts the kayak repair process significantly; a well-chosen rivet gun can lead to quicker repairs and better long-term reliability of the kayak. For instance, using a high-quality pneumatic rivet gun can reduce the time spent on repairs while ensuring that the rivets are applied with the correct force, preventing leaks and structural failures. Additionally, with the right tools, kayak owners can perform maintenance and repairs confidently, enhancing the longevity of their equipment.
The benefits of using a rivet gun for kayak repairs extend beyond just functionality. It allows for secure fittings that can withstand the harsh conditions often encountered in water sports. A well-repaired kayak can improve safety for the user and provide peace of mind during outings. Furthermore, the ability to perform repairs independently can save costs associated with professional repairs, making kayaking more accessible and enjoyable.
Best practices for using a rivet gun include ensuring the correct size and type of rivet is selected for the repair, maintaining the rivet gun to prevent malfunctions, and practicing proper technique to ensure rivets are evenly and securely applied. Additionally, users should be aware of their kayak’s material, as some plastics or composites may require specialized rivets or techniques to achieve optimal results.
What Features Should You Consider When Selecting a Rivet Gun for Kayaks?
Lastly, evaluating the price and warranty helps you determine the best value; a higher price might be justified by superior features and a longer warranty, indicating better quality and support from the manufacturer.
How Do Manual and Pneumatic Rivet Guns Compare for Kayaking?
| Aspect | Manual Rivet Gun | Pneumatic Rivet Gun |
|---|---|---|
| Functionality | Operated by hand; suitable for lightweight tasks. | Powered by compressed air; ideal for high-volume production. |
| Ease of Use | Requires more physical effort; can be tiring over time. | Requires less manual effort; faster rivet application. |
| Cost | Generally more affordable; good for occasional use. | Higher initial investment; cost-effective for frequent use. |
| Maintenance | Minimal maintenance; simple design. | Requires regular maintenance; complex components. |
| Weight | Lightweight; easy to handle. | Heavier due to air compressor; less portable. |
| Portability | Highly portable; easy to carry. | Less portable; requires air source. |
| Typical Applications | Ideal for small repairs and DIY kayak projects. | Best for large-scale or professional kayak construction. |
| Safety Considerations | Low risk; basic safety precautions suffice. | Higher risk; requires safety gear due to air pressure. |
Which Types of Rivets Are Suitable for Kayak Repair Projects?
The types of rivets suitable for kayak repair projects include:
- Blind Rivets: These are ideal for kayak repairs because they can be installed from one side of the material, making them perfect for inaccessible areas within the kayak’s structure.
- Solid Rivets: Known for their strength, solid rivets are a reliable choice for areas that require high durability; however, they require access to both sides of the material to install properly.
- Pop Rivets: Often used in lightweight applications, pop rivets are easy to use with a rivet gun and can provide a quick fix for minor damages in the kayak’s hull.
- Structural Rivets: These are designed for high-stress applications and can withstand significant loads, making them suitable for repairing critical structural components of a kayak.
Blind rivets are particularly advantageous for kayak repairs as they allow for installation in tight spaces without needing to access the backside of the material. They work by deforming the rivet’s tail to secure the materials together, providing a strong bond that can withstand the stresses of water and movement.
Solid rivets are favored for their exceptional strength and reliability. They are generally made of materials like aluminum or steel and require both sides of the material to be accessible, which may not always be feasible in kayak repairs but offer a more permanent solution when applicable.
Pop rivets are a popular choice for quick fixes due to their ease of use and ability to be installed with a simple rivet gun. They are lightweight and often suitable for minor repairs, although they may not provide the same level of strength as solid or structural rivets.
Structural rivets are engineered for heavy-duty applications and provide superior load-bearing capabilities. They are best used in the repair of critical areas of the kayak that experience high stress, ensuring safety and durability during use.
What Are the Top Recommended Rivet Guns for Kayaking?
The top recommended rivet guns for kayaking are designed for durability, ease of use, and efficiency in assembling or repairing kayaks.
- Astro Pneumatic Tool 1442: This pneumatic rivet gun offers powerful performance with a lightweight design, making it ideal for frequent use in kayak assembly.
- Rivet Gun by Neiko 02256A: A manual rivet gun that is affordable and easy to operate, perfect for those who need a reliable tool for occasional repairs on their kayaks.
- Tekton 6570: Known for its ergonomic design, this manual rivet gun provides comfort during prolonged use and can handle a variety of rivet sizes, making it versatile for kayak projects.
- Groz 16-001: This heavy-duty rivet gun features a robust construction that ensures durability, suitable for those who engage in extensive kayak modifications or repairs.
- Rivet Gun by Astro Pneumatic Tool 1443: Another pneumatic option, this model is designed for high efficiency and speed, ideal for professionals who frequently work on kayaks.
The Astro Pneumatic Tool 1442 is preferred for its powerful pneumatic action, allowing users to efficiently secure rivets without excessive manual effort. It is lightweight and suitable for both small and large kayak projects, enhancing productivity.
The Neiko 02256A manual rivet gun is user-friendly and budget-friendly, making it an excellent choice for casual kayakers who need a dependable tool for quick repairs. Its simple design ensures that even beginners can use it effectively without prior experience.
The Tekton 6570 stands out due to its ergonomic grip, which reduces hand fatigue during extended use, making it a favorite among those who often work on kayaks. It accommodates multiple rivet sizes, providing versatility for different types of kayak constructions.
The Groz 16-001 is a heavy-duty option that boasts a sturdy build, making it ideal for rigorous usage typically associated with extensive kayak modifications. Its reliability under heavy workloads makes it a preferred choice for serious kayak enthusiasts.
The Astro Pneumatic Tool 1443 is designed for efficiency and speed, catering to professionals who require a high-performance tool for frequent kayak assembly or repair tasks. This pneumatic rivet gun streamlines the riveting process, allowing for quicker project completion.
What Unique Features Do These Rivet Guns Offer for Kayak Repairs?
The best rivet guns for kayak repairs offer a range of unique features that enhance usability and efficiency.
- Ergonomic Design: Many rivet guns are designed with comfort in mind, featuring soft-grip handles that reduce fatigue during prolonged use. This is particularly beneficial for kayak repairs, which may require multiple rivets to be installed in a single session.
- Adjustable Pull Stroke: Some rivet guns come with adjustable pull strokes, allowing users to customize the tool for different sizes of rivets. This versatility is crucial when working with various materials and thicknesses common in kayak construction.
- Quick-Change Nosepieces: The best rivet guns often include interchangeable nosepieces that make switching between different rivet sizes quick and easy. This feature saves time and improves efficiency, especially when working on repairs that may require different rivet types.
- Built-in Rivet Collection: Some models feature a built-in collection system for spent rivet mandrels, which helps keep the work area tidy and ensures that no small parts are lost during the repair process. This convenience is particularly useful in outdoor settings where a clean workspace may be hard to maintain.
- High Pull Force: Rivet guns with high pull force capabilities can effectively install larger rivets, which is advantageous for securing heavy-duty components of a kayak. This feature ensures that repairs are robust and reliable, suitable for various water conditions.
How Can You Safely and Effectively Use a Rivet Gun for Kayaking?
To safely and effectively use a rivet gun for kayaking, consider the following tools and techniques:
- Choose the Right Rivet Gun: Select a rivet gun that is suitable for the materials used in your kayak, such as aluminum or fiberglass. A pneumatic or hand-held rivet gun can provide the necessary force to secure rivets properly without damaging the kayak structure.
- Use Quality Rivets: Opt for high-quality rivets that are specifically designed for marine applications. Stainless steel or aluminum rivets resist corrosion and ensure a strong bond, which is critical for the durability and safety of your kayak.
- Prepare the Surface: Before riveting, make sure the surfaces to be joined are clean, dry, and free of debris. This ensures a proper fit and allows the rivets to secure firmly, preventing leaks or structural weaknesses in your kayak.
- Follow Proper Technique: When using the rivet gun, make sure to hold it firmly and apply even pressure during the riveting process. This helps to prevent the rivet from bending or breaking, ensuring a tight and secure connection between the materials.
- Wear Safety Gear: Always wear appropriate safety gear, including goggles and gloves, when using a rivet gun. This protects you from any debris or accidental injury that could occur during the riveting process.
- Regular Maintenance: Keep your rivet gun in good condition by regularly checking for wear and tear. Cleaning and lubricating moving parts can prolong the tool’s life and ensure consistent performance during your kayak construction or repair projects.
What Safety Measures Should Be Taken During Rivet Gun Use?
When using a rivet gun, especially in projects like kayak construction, several safety measures should be adhered to ensure the safety of the user and the integrity of the project.
- Personal Protective Equipment (PPE): Always wear safety goggles, gloves, and hearing protection when operating a rivet gun. This equipment protects against flying debris, noise, and potential pinching hazards that can occur during rivet installation.
- Proper Training: Ensure that anyone using the rivet gun has received adequate training on its operation. Understanding the mechanics of the tool and the correct procedures for use can prevent accidents and ensure effective rivet installation.
- Tool Inspection: Regularly inspect the rivet gun for signs of wear or damage before use. Checking for loose parts, proper function, and any signs of malfunction can prevent unexpected failures during operation.
- Work Area Preparation: Maintain a clean and organized work area free of hazards. This includes removing any tripping hazards, ensuring adequate lighting, and keeping the workspace clear of unnecessary materials that could obstruct movement or workflow.
- Correct Rivet Size and Type: Always use the appropriate size and type of rivets for your specific application. Using incorrect rivets can lead to structural failures and may cause the rivet gun to jam or malfunction.
- Secure Material Being Riveted: Ensure that the material being riveted is properly clamped or secured. Unstable materials can shift during operation, leading to inaccurate rivet placement or potential injury.
- Follow Manufacturer Guidelines: Always adhere to the manufacturer’s instructions regarding the operation and maintenance of the rivet gun. This ensures that you are using the tool correctly and safely according to its design specifications.
What Problems Might You Encounter When Using a Rivet Gun for Kayak Repairs?
When using a rivet gun for kayak repairs, several problems might arise:
- Inadequate Rivet Size: Choosing the wrong rivet size can lead to weak joints or excessive material stress, causing potential leaks or failures.
- Improper Riveting Technique: If the rivets are not installed correctly, it can result in uneven pressure distribution, which may compromise the structural integrity of the kayak.
- Material Compatibility: Using a rivet gun on incompatible materials can cause damage or ineffective repairs, especially if the materials have different expansion rates.
- Tool Fatigue: Overuse of a rivet gun without proper maintenance can lead to tool fatigue, resulting in inconsistent riveting performance.
- Accessibility Issues: Tight spaces within a kayak may make it difficult to maneuver the rivet gun, leading to challenges in applying rivets in certain areas.
Choosing the wrong rivet size can lead to weak joints or excessive material stress, causing potential leaks or failures. It is important to match the rivet size to the thickness of the materials being joined to ensure a secure fit.
If the rivets are not installed correctly, it can result in uneven pressure distribution, which may compromise the structural integrity of the kayak. Proper technique is essential for achieving a durable and waterproof repair.
Using a rivet gun on incompatible materials can cause damage or ineffective repairs, especially if the materials have different expansion rates. This mismatch can lead to stress fractures or separation over time.
Overuse of a rivet gun without proper maintenance can lead to tool fatigue, resulting in inconsistent riveting performance. Regular inspection and maintenance of the tool can help avoid this issue and ensure reliable operation.
Tight spaces within a kayak may make it difficult to maneuver the rivet gun, leading to challenges in applying rivets in certain areas. Having a compact or adjustable rivet gun can help mitigate this problem during repairs.
How Can You Address Common Troubleshooting Issues with Rivet Guns?
Common troubleshooting issues with rivet guns can be addressed effectively by understanding the typical problems encountered during use.
- Jamming: Jamming often occurs when the rivet gun is not loaded correctly or if debris is present. To resolve this, inspect the loading mechanism and ensure that rivets are inserted properly without any obstructions.
- Inconsistent Riveting: Inconsistent riveting can result from using the wrong size rivet or an improperly calibrated tool. It’s essential to check that the rivets match the specifications for the gun and that the tool is adjusted according to the manufacturer’s guidelines.
- Poor Pulling Force: If the rivet gun lacks pulling force, it may indicate a need for maintenance or that the tool is not suited for the size of rivets being used. Regularly clean and lubricate moving parts and consider upgrading to a more powerful model if necessary.
- Overheating: Overheating can occur from prolonged use without breaks, causing the tool to malfunction. To prevent this, take regular breaks during operation and allow the gun to cool down if it becomes hot to the touch.
- Air Leaks (for pneumatic rivet guns): Air leaks can compromise the performance of pneumatic rivet guns, often resulting in weak riveting. Inspect hoses and connections for wear or damage and replace any faulty components to ensure proper air pressure is maintained.