Household roof coatings will seal a metal roof just fine but the best product by far for metal roofs is kool seal.
Fixing a sagging rv roof.
Careful doctor the fiberglass is paper thin.
I haven t seen a lot of videos on bracing up a sagging camper roof.
You will need to remove the shingles and the old decking however which means there will be an exposed hole in the roof.
Also inspect the metal or plywood gusset plates used where your wood meets on a truss.
The fix create a support rib.
This may be problematic in winter months but allowing the roof to continue to sag can lead to greater problems such as a cave in.
Prop the ceiling from the inside using a ladder check the roof line making sure the roof has a nice natural curve to allow run off.
The solution for a sold roof that sags is to first determine and rectify why it sags then remove the rubber membrane and either replace the top decking with thicker plywood preferred or simply install another layer of plywood over the existing plywood decking.
So i thought i d share how i braced ours.
So the sagging roof solution in that earlier q a does not apply to one piece synthetic roofs like epdm tpo or fiberglass unfortunately.
How to repair an rv metal roof.
Before epdm and tpo metal was the material of choice for rv roofs.
Next apply new sealant and a new gasket and then reinstall the air conditioner.
Support the rib along the seam and mark.
I start tearing down the ceiling to start the repair.
Complete guide to fixing a leaking rv roof 9 types explained identify the source of the leak.
Heavy bolts are run from the inside of the coach through the frame and up into the roof level a c unit proper.
Determining the problem determine where the sag is in your roof in relation to your attic.
If you need to repair structural damage not just seal a roof eternabond seam tape is the product for you.
Sags in other areas of the roof aluminum models.
Using a sharp olfa knife cut through the ceiling panel and foam insulation.
Slide each piece into position on either side of the 14 opening taking care not to disrupt the roof insulation in the process.
Apply the permanent fix.
If the sagging roof is due to rotting or warping roof decking the repair will be much easier.
Inside under the cover of a plastic housing a metal frame mounts up to the coach ceiling.
The mechanical portion pumps air down into the coach through a hole in the roof that is about the size of an rv roof vent hole.