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.
Sagging metal rv roof.
Just keep in mind that once you ve changed the roof you won t be able to consider our vintage rv a restored rv any longer.
So the sagging roof solution in that earlier q a does not apply to one piece synthetic roofs like epdm tpo or fiberglass unfortunately.
Having said that fiberglass rv roofs require less maintenance than rubber rv roofs which makes them preferable for some campers.
Grab a flashlight and head up to your attic to inspect your roof rafters and decking specifically those where your roof is sagging.
Inside under the cover of a plastic housing a metal frame mounts up to the coach ceiling.
How to seal your rv roof.
Fiberglass this type of rv roof is hard to the touch and is a bit more rare than a rubber rv roof because the material adds cost and weight to the rv.
2017 bighorn 3270rs roof issues.
Basically it s a one piece roof consisting of plywood decking on top some type of insulation installed between the support rafters with a panel type of ceiling finish.
Easy peasy installs when your rv roof installation begins to take shape you won t have to worry about cracking crazing creasing or other maladies that installers suffer because this malleable metal is the best when it comes to forming around bends corners and curves.
The heavy mechanical parts including the compressor unit are mounted above the rv roof.
Rv sagging roof repairs non aluminum rv s the vast majority of rvs built today have a vacuum bonded solid roofing structure.
Also inspect the metal or plywood gusset plates used where your wood meets on a truss look for damage that includes cracks rot breaks and any other impairment.
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.
This new rubber membrane can then be painted to match the rv giving it a unique look and a newly sealed roof.