Operating an inflatable boat in difficult conditions requires a special approach to its preparation. Even premium factory models wear out over time, especially if you often walk on rocky rivers, overgrown seaweed reservoirs or just actively use a fishing boat with frequent landings on unequipped shore. PVC boat reinforcement This is not just a whim, but a necessary measure for those who want to prolong the life of their boat and protect themselves from unpleasant situations on the water.
The modernization process can include various stages: from the banal installation of an additional protective layer on the bottom to the complete gluing of the seams and strengthening the transom under a more powerful motor. Polyvinyl chlorideThe rods that are used in the cylinders are durable, but they are vulnerable to mechanical damage when they come in contact with sharp objects, and the well-designed reinforcement allows you to spread the load and take the main hit, keeping the main chambers tight.
In this article, we will discuss in detail the technologies of gain, the choice of adhesives and fabrics, and also consider the typical mistakes that beginners make when self-tuning. You will learn how to properly prepare the surface so that the new layer of protection lasts for years, and which design elements require attention in the first place.
Selection of materials for strengthening the body
The first and most critical step is to find the right materials, and using the wrong fabric or glue can nullify all efforts and even damage the factory coating, and the basis for reinforcement is often reinforced PVC fabric, similar to the one that the boat is made of, or specialized tread belts.
The optimal density of the material for protective linings varies from 700 to 1100 g / m2. Thinner fabric can quickly wipe, and excessively thick will create unnecessary ledges and difficulties when gluing. The most important parameter is the compatibility of the chemical composition of the fabric and glue with the material of the boat.
- 🛡️ Reinforced PVC fabric - a universal variant that provides high mechanical strength and flexibility in the cold.
- 🧪 Two-component polyurethane glue Creates a chemical bond with the material, providing maximum adhesion and resistance to water.
- 🎨 Special agents (acetone, toluene or branded activators) - necessary for degreasing and activation of the surface before gluing.
⚠️ Attention: Never use a chloroprene-based glue (such as Moment or 88) to capitalize on the loaded nodes, which gives an elastic but fragile seam that, under constant load and vibration, will quickly peel off, leaving the fabric to dangle.
When choosing a fabric, pay attention to color. PVC fabric staining at home is almost impossible without loss of strength, so it is better to buy the material in the desired shade immediately. aluminium-spray protectorIt is a highly reflective ultraviolet light and protects against overheating, but it is less resistant to mechanical damage than a full-fledged reinforced fabric.
Boat Bottom Enhancement Technology
The bottom is the most vulnerable part of any PVC boat, taking on impacts on rocks, snags and sand. Factory protection is often limited to a strip along the keel or linings at points of contact with sleigh. For serious operation, full or partial reinforcement of the bottom part is recommended.
The process begins with a thorough washing and drying of the boat, any dust, sand or moisture will lead to marriage, followed by abrasive treatment (shabreniya), the surface on which the protection will be adhered to, must be treated with abrasive material before the appearance of mat, but without damaging the reinforcing layer.
☑️ Preparation for bottom-sticking
Once prepared, the first layer of glue is applied to both glued surfaces, and it is important to let it dry to "stick" (usually 10-20 minutes, depending on temperature and glue), then a second layer is applied, and the parts are joined together. The gluing process requires uniform and strong pressing, preferably using a roller.
Pay special attention to the edges of the safety tape, which must be carefully rolled to prevent them from catching on when the boat is launched, and if the edges are uprooted, the water and sand quickly fall under protection, and it will begin to peel off.
| Parameter | Minimum value | Optimal value | Impact on outcome |
|---|---|---|---|
| Sticking temperature | +15°C | +20...+25°C | Below +10°C, the adhesive is not polymerized |
| Time to dry the layer | 10 minutes | 15-20 minutes | Undried glue will give bubbles |
| Row pressure. | Average | High (walled) | Determines the strength of the connection |
| Time of complete polymerization | 24 hours. | 48-72 hours | Early exploitation will weaken the seam |
Protection of cylinders from abrasion
Side cylinders often suffer from constant friction, not puncture, and this happens when mooring to the concrete walls, when dragging a boat with a drag, or when active paddles are paddled when the blades hit the sides, and strengthening these areas greatly increases the resource of the product.
First of all, the zones of the timber and the place of attachment of the switches are strengthened. It is advisable to use thick fabric linings (900-1100 g / m2). The shape of the linings should be rounded, without sharp angles, which can become points of detachment.
The technique of "cold" and "hot" gluing
Cold gluing (at room temperature) is more affordable at home, but requires perfect surface preparation and strict adherence to drying times. Hot gluing (with a warm-up hair dryer) gives a stronger seam by activating a chemical reaction, but requires the skill not to overheat and deform the fabric. For beginners, a cold method using quality two-component adhesives is recommended.
If your boat is often used in shallow water with abundant vegetation, it is worth considering installing a boat. flat-bar It's made of rubber or thick PVC all the way down the length of the balloon, and it creates a buffer zone that takes the impacts of the branches and the rocks.
Keep in mind the insides of the cylinders in the cockpit area, contact with clothing, fishing boxes and gear also causes wear and tear, and placing internal pockets or linings in areas of constant friction is a simple and effective solution.
Modernization of the transom and the motorboard
The truncheon is a zone of extreme loads, the vibration from the engine, the weight of the engine itself, and the dynamic loads on the run require maximum rigidity, and often regular gain is not enough, especially when installing engines with a capacity of 5 hp and above.
The reinforcement of the transom usually involves the installation of additional linings on the outside and inside, the outer lining protects against shocks in chop and contact with the pier, and the inner distributes pressure from the fastening bolts of the motor.
- 🔩 Installation of stainless plates - for an outboard motor mounting bolts are installed wide washers or plates to avoid ploughing PVC and the transom tree.
- 🪵 Plywood replacement - if the standard transom seems weak, you can replace the plywood with a thicker one (up to 18-21 mm) or use moisture-resistant aviation plywood.
- 🛡️ Heel lining - an additional layer of tissue in the lower part of the transom, which accounts for the main flow of water and shocks during planing.
⚠️ Attention: When the transom is reinforced, it is strictly forbidden to use materials that absorb moisture (ordinary wood, chipboard, cardboard), only moisture-resistant plywood, composites or aluminum, water that gets inside the transom will turn into ice in winter or bloom in the summer, destroying the structure from the inside.
For hard bottom boats (HBBs), it is important not to overdo the thickness of the transom plates so as not to disturb the geometry of the sleigh connection. The boat must be assembled without undue effort, otherwise the seams will be under constant strain.
Installation of stringers and protection of the keel
The keel is the backbone of the boat, which provides stability, and many models have an inflatable cylinder-kilsons or a rigid profile, and in both cases, the protection of the lower part is critical, because it is the keel that first contacts the bottom when pulling the boat.
Stringers (rigid profiles along cylinders) can be used to tighten the slate, which improves performance, but the mounting points of the stringers to cylinders are stress concentration zones, and they need to be reinforced with additional pentacles or strips of fabric.
When you strengthen the keel, use a fabric with rounded edges. The sharp corners on the keel part work as aerodynamic (hydrodynamic) brakes and can bend, creating hook points.
If you operate a boat on rocky-bottomed rivers, consider installing a removable or glued-on keel-treadIt's a strip of very dense rubber or thick PVC that takes all the blows, and it's cheaper to replace it in case of wear than it is to repair the cylinder itself.
It's also worth checking the valve system, and often when you reinforce the bottom, you forget about the area around the inflatable valve, and make sure that the valve is not clamped with folds of tissue and there are no scuffs around it.
Finishing and care of reinforced boat
Once all the work on strengthening the boat is complete, it takes time for the glue to be finally polymerized. Don't rush it into the water. The minimum exposure time is 24 hours at room temperature, but it's better to wait 2-3 days.
The first descent should be neat. Carefully inspect all new seams for bloating or detachment. If you find an air bubble at the edge of the tape, it can be neatly punctured with a needle and rolled with a roller, preheated with a hairdryer (if the glue is thermally activated).
Regularly caring for a reinforced boat prolongs its life. After each fishing, wash the boat with fresh water, especially if you walked on salt water or in standing ponds with mud. Mud stuck between layers of protection works like an abrasive.
Keep the boat straightened or loosely rolled, avoiding sharp cliffs in reinforcement areas. Properly executed reinforcement makes the boat virtually unkillable for amateur exploitation, allowing forgetting fears of sharp stone or snag.
The quality of surface preparation (cleaning, shabring, degreasing) determines 90% of the gain success, and the time saved at this stage is guaranteed to lead to detachment of the protection at the most inopportune time.
Frequently Asked Questions (FAQ)
Can I strengthen the PVC boat at home in winter?
Technically, this is possible, but it is highly recommended. For high-quality polymerization of the glue and tissue elasticity, it requires a temperature of at least +15 ° C. In a cold room, the glue will dry for a long time, and the material will become rigid, which will lead to poor adhesion. If there is no other way out, you need to equip a warm zone (for example, use a heat gun in a confined space) and warm the boat before work.
Do I need to remove the old protection before the new one is placed?
If the old protection is strong, it doesn't have any tears or detachments, you can keep it in place, you can wash it thoroughly, degrease it, and then you can glue it on top of it, and if the old protection starts to fade or you can see defects underneath, you have to remove it completely, clean it up, and then you have to glue it on top of it.
Which glue is better: single or two-component?
To reinforce the PVC boat, which will carry loads, a two-part polyurethane adhesive (with a hardener) is definitely better, and it creates a chemical bond with the material, becoming part of the structure. Single-component adhesives (often based on rubber) create an adhesive layer that can eventually float in the heat or crack in the cold.
How to remove air bubbles under newly glued tape?
Small bubbles often disappear by themselves as the glue is polymerized, large bubbles need to be punctured with a thin needle, air squeezed out, and rolled carefully from the edges to the center of the puncture, and if the glue is already dry, you may have to carefully cut the tissue, smear the glue again and press the load.