The gasket is compressed using 3 4 bolts i e.
How to stop rv roof leaking around air conditioner.
When installing the best rv ac unit on rv it s usually sealed to the roof with a sponge rubber gasket which is compressible and requires maintenance.
A fellow rver i met at a campground had problems with his coleman rv air conditioner the advice that he got from the company was to keep the gasket and drain pan clear of debris using their recommended cleaner.
With time it can deteriorate and start to show effects.
Leaking is a common problem when it comes to air conditioners in recreational vehicles.
If the leak is both while raining and while running and the gasket is still thick enough and tight odds are there is some roof deterioration underneath the air conditioner as long as the roof isn t sagging causing water to puddle up around the air conditioner which can be checked by pulling a string across the roof from side to side.
Here it is important for you to check whether it leaks when the ac is on or when it rains and maybe even if it leaks in both situations.
If the roof is sagging carefully lift the roof material rubber or fiberglass and install a thin piece of plywood shim underneath the substrate.
Over the years the weight from the air conditioner can cause the roof to sag and make it difficult to stop the leak even if there is a new seal in place.
If you have a roof that is sagging on the inside and it passes all visual inspections from the outside you should take a second look at the air conditioner.
Leaking air conditioners can destroy ceilings walls and anything else around it.
If you notice water under your indoor air handler turn off the air conditioner at the breaker box and either call a professional or follow these steps.
The air conditioner is leaking.
In which case you need to replace it.
There are many possible parts of the roof potentially leaking but one of the most common ones is the area around the roof vent.
Checkout my previous post on how to fix leaking rv air conditioner.
Each rv roof top air conditioner has a gasket underneath between the ac unit and the roof and these can sometimes develop leaks even on fairly new rv s.
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