The best solution is to remove the spongy wood and replace with marine plywoodone possible fix is to glue(liquid nails) 4×8 vinyl sheets(used for bathroom walls and ceilings) over the spongy wood you should also determine where the support ribs are located and use rust proof exterior ( like deck screws) and put a washer through the screw and screw through the vinyl and sponge wood into the rib/stud to secure the vinyl do this about every 10 inches on the supportsfinally caulk the edges and seams and put a lattice type of slat(1inch wide by 3/8 thick by 8 ft long on all exposed seamstools needed small gig saw variable speed drillcaulking gunI
How to Identify and Resolve Common Issues ?
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What causes condensation in motorhomes and travel trailers? In short, the answer is moisture and temperature. When the warm air in your cozy RV comes into contact with colder surfaces such as windows, metal window frames, or even walls, the moisture in that air is released and small water droplets are formed.
The best procedure is to set the camper up, and lightly spray it with a hose, until reasonably wet, allow it to dry a little, and then repeat, using a little more water each time. A normal canvas should self repair as it becomes saturated, and the leaks should disappear.
Plywood can be waterproofed with paint, polyurethane, or epoxy finish. Lightly sand the plywood with 180 grit sandpaper, clean off any sawdust, and apply the finish with a brush or by pouring the finish on if using epoxy.
Exterior plywood is weather (and water) resistant, so it`s strong enough to be used outside and also in areas that are exposed to water and humidity, like a garage. This type of plywood, often made from Douglas fir, is made stronger by adhering its layers with a waterproof glue.
There are two main reasons why RV roof leaks occur. The first has to do with the way roof seams and objects on the roof are sealed, and the second has to do with accidental damage.
You can use Nikwax on canvas. Nikwax is a well-known brand of waterproofing and cleaning products that are designed specifically for outdoor gear, including tents and other camping gear made from canvas.
Simply apply the tent proofing product or waterproofing spray evenly to the tent fabric using a spray, brush or sponge. Take care to wipe off any surplus product with a damp cloth as you go along. Leave your tent to dry as per the instructions on the bottle.
What causes condensation on windows and walls? Condensation happens when your home is too humid and the warm air hits cold surfaces. This leads to the air cooling quickly and forming droplets on nearby surfaces such as walls/windows.
The higher inside temperature along with colder outside temperatures may cause condensation to form on areas that are not insulated as well as others (windows, vents, wall studs, etc). Poor air circulation inside the RV may cause condensation to form inside closets and cabinets.
What Happens if Plywood Is Stored in Wet Conditions? Generally, if common plywood gets wet for an extended period of time, it can swell and lose shape which eventually leads to the layers of wood splitting apart. This often occurs when plywood is stored outside for even a short timeframe before a project begins.
Use a Drying Oil
Tung oil is one of the most popular oils for waterproofing wood that has been used for decades. Just wipe a thin coat of oil across the plywood and let it dry. You can apply as many coats as you want until the wood is saturated but be sure to let each coat dry completely before applying the next.
You must seal your plywood, especially if used in high moisture areas such as bathrooms, kitchens, or outdoor use. So, why should you waterproof plywood? Like other natural materials, untreated plywood is susceptible to rot caused by moisture and water, creating a breeding ground for fungus or mould within the board.
Epoxy is a fine choice. There are a number of high durability paints and finishes that will do the job. Think two component mostly, although there are waterborne urethanes now that might be an option. No matter what, choose the right plywood grade.
Sealant is the best way to protect wood trailer floors from damage. By adding a coating over the wood, you can prevent most types of damages. A sealant will prevent scratches, dents, and other abrasions while keeping moisture away from the wood through a protective barrier.