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Old 02-14-2021, 06:24 PM   #1
Roci's Avatar
Join Date: Mar 2020
Location: Northern California
Posts: 14
Year: 2006
Coachwork: Thomas
Chassis: Saf t liner
Engine: Cat C7 Diesel
Rated Cap: 24 and 3 wheelchairs
Mouldy framing, condensation problems

How do you avoid the framing rotting when it is in direct contact with metal? Iíve heard of vapour barriers between metal and wood, is that necessary? Should we switch framing to pressure treated or some other framing wood? Are most skoolies just mouldy under the walls? We have had to back track and are now going to experiment and take out two windows to reseal and see if that fixes our leak problems. If that works we will remove all wall framing to take out windows and seal them better and solve our leak issue hopefully that will help with condensation. But we still have multiple mouldy ribs that need to be replaced. See image. Itís very frustrating, the entire build has been so frustrating!
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Roci is offline   Reply With Quote
Old 02-14-2021, 07:33 PM   #2
Join Date: Jun 2020
Location: Bay Area
Posts: 29
Year: 2001
Chassis: International
Engine: T444E
Following as well. We don't have that mold yet, but no walls either.
AdamKnox is offline   Reply With Quote
Old 02-15-2021, 09:26 AM   #3
Join Date: Jun 2019
Location: Arizona
Posts: 40
Year: 2002
Coachwork: Thomas
Chassis: GMC Savana 3500
Engine: 6.5 L 395 CID V8 Diesel
I treated all my wall studs with and subfloor with Valspar deck sealant. says weatherproof for 10 years on decks 25 years on fences so being relatively out of the elements it should last the life of the bus no problem. took about 3 gallons to treat all the wood
waxman is offline   Reply With Quote
Old 02-15-2021, 03:21 PM   #4
Join Date: Nov 2020
Location: Des Moines, Ia
Posts: 28
Year: 2002
Coachwork: Blue Bird
Engine: Cummins 5.9l 24 valve
Rated Cap: 78
That sounds really frustrating, I would at least keep the air moving in the bus (fan? de-humidifyer?) until you figure out a solution.
Samweld is offline   Reply With Quote

#mould #condensation

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