Forum Discussion
Golden_HVAC
Jun 21, 2015Explorer
This was posted on March 14th of this year.
Here is the exact post that I robbed the pictures from.
http://forums.woodalls.com/index.cfm/fuseaction/thread/tid/28250648/srt/pa/pging/1/page/1.cfm
You should read the last post. That owner used a wet/dry carpet extractor, and got a total pressure of about 0.5" water colum, way to much pressure, and started to lift the EPDM off the plywood, in other words inflated the EPDM like a balloon! If you where to use a normal Wet/dry vacuum, not the 3/4 HP commercial version, this would not happen!
You can put the wet/dry vacuum in a basement compartment, cover that opening with cardboard, except for a 2" hole for the hose to bring in air, turn it on, seal that compartment, and check for leaks using a chemical sprayer. Remember the roof will become very slippery while wet with soap!
If you have more than a few easy to repair leaks, take pictures and have the dealership fix them, it is still under warranty. But I do understand not wanting to be without the RV for the couple of weeks a dealership can take to fix it. Also taking it to the dealership is not a 'free' fix, you need to drive there, drop it off, and go back to pick it up, so use 20+ gallons of gas, that is not free.
I always kept a tube of rubber roof sealant in my RV along with a calking gun to apply it. When camped out in the woods, you do not have access to a hardware store! After about 2 years, replace it with another new one.
I had a nearby Camping World where I could pick them up. They also mail order, or look at your local RV store. I am not so sure about the stuff at Lowes, Ace and Home Depot. It might be more for the asphalt home type roofs, and not exactly what is needed for a EPDM roof. Check the specs on the material that you are looking at. .
Good luck,
Fred.
westend wrote:
I have no idea what my furnace blower that I use puts out in CFM. With the blower sealed into a window and all of the interior closed up as outlined above, my DIY manometer showed a pressure rise of about 1"WC.
Blower mounted in exterior window:
DIY manometer:
A pinhole leak in seam:
Here is the exact post that I robbed the pictures from.
http://forums.woodalls.com/index.cfm/fuseaction/thread/tid/28250648/srt/pa/pging/1/page/1.cfm
You should read the last post. That owner used a wet/dry carpet extractor, and got a total pressure of about 0.5" water colum, way to much pressure, and started to lift the EPDM off the plywood, in other words inflated the EPDM like a balloon! If you where to use a normal Wet/dry vacuum, not the 3/4 HP commercial version, this would not happen!
You can put the wet/dry vacuum in a basement compartment, cover that opening with cardboard, except for a 2" hole for the hose to bring in air, turn it on, seal that compartment, and check for leaks using a chemical sprayer. Remember the roof will become very slippery while wet with soap!
If you have more than a few easy to repair leaks, take pictures and have the dealership fix them, it is still under warranty. But I do understand not wanting to be without the RV for the couple of weeks a dealership can take to fix it. Also taking it to the dealership is not a 'free' fix, you need to drive there, drop it off, and go back to pick it up, so use 20+ gallons of gas, that is not free.
I always kept a tube of rubber roof sealant in my RV along with a calking gun to apply it. When camped out in the woods, you do not have access to a hardware store! After about 2 years, replace it with another new one.
I had a nearby Camping World where I could pick them up. They also mail order, or look at your local RV store. I am not so sure about the stuff at Lowes, Ace and Home Depot. It might be more for the asphalt home type roofs, and not exactly what is needed for a EPDM roof. Check the specs on the material that you are looking at. .
Good luck,
Fred.
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