Once you locate the source of the water mark the area.
How to find a leak in a rv roof.
This is achieved by blocking all vents and other places where air can escape and creating a pressurized environment inside the motorhome using fans or other equipment.
Inspect areas around the tub ceiling vents and intake valves for tubing exposing areas where water may leak in.
If you have an attic the easiest way to spot the leak is to up there on a rainy day.
Check the cabover if you have a class c rv this is a classic leak area.
And not just on the roof but at seams vents and around windows.
Scrape or brush off any remaining debris or old roof patch material.
The force of over pressurizing will allow you to use a bubble solution to find potential leaks on the outside skin of your class c motorhome.
The air conditioner on the roof is sealed with a foam rubber gasket placed underneath the unit.
This being said not all roof leaks show up on the ceiling.
As soon as water shows up inside you ll know where the problem lies.
If you brush the water off briskly you can follow up with a hand towel and wipe the area dry.
Often old tar or patching will flake or lift off.
Identifying the true location of roof leaks in the attic.
In order to locate the leak you can have an rv shop perform a smoke test or you can conduct an air pressure test at home.
An easy way to find leaks is to pressure test the coach trailer.
Water will reflect light so bring a flashlight along.
Circle any spots and repairs can be made with the best sealant by epdm rv roof repair.
The caulk around the storage compartment doors is a likely leak spot.
Basically while you pump air into the closed vehicle with a blower or fan spray the outside seams with soapy water.
The easiest place to start an rv roof inspection is from the inside.
If you notice any new or old water stains then you know you have a leak somewhere.
Start your water test from the ground up.
Be sure to run water around that a c as it can migrate to other spots under the rubber roof.
I have long understood the concept of over pressurizing a rig.
Go in one direction and with hands check from left to right for soft spots bubbles water damage and erosion.
The goal is to find the leak before the entire roof goes bad.
Check the storage compartments check for any signs of water damage or moisture inside your storage compartments.
You will see bubbles where the leaks are.
Start off by taking a look at your rv s ceiling.
