Reply
 
Thread Tools Search this Thread Display Modes
 
Old 05-22-2009, 09:04 PM   #1
2 Rivet Member
 
1965 24' Tradewind
Warner , New Hampshire
Join Date: Feb 2009
Posts: 32
Floor rot prevention?

I'm close to putting my floor back on my 65 tradewind. I will applying por 15 to the frame this weekend. My question is. Has anyone ever used a roofing undelayment on the floor? I'm considering applying the underlayment to the entire floor to help prevent future rot. My trailer seemed to have alot of rot around the entry door and the rear compartment door. It seems to me that this could be caused from the skin sweating in cold or cool nights. Condensation will be produced as air is leaking out of the camper and then the water runs down the walls and collects on the floor causing it to rot. I'm thinking of using the fabric type roofing underlayment not tar paper. I thought about using the ice and water barrier but am concerned about the smell when it gets hot in the trailer. The fabric will have less odor if any.

I will be posting pictures of my progress soon.
__________________

__________________
briheath is offline   Reply With Quote
Old 05-22-2009, 09:15 PM   #2
4 Rivet Member
 
jpeterman's Avatar
 
1972 27' Overlander
Graham , North Carolina
Join Date: Oct 2006
Posts: 274
Images: 19
why not just use marine plywood
__________________

__________________
"AIR 17559"


wear it out, don't rust it out

Jerry
jpeterman is offline   Reply With Quote
Old 05-22-2009, 10:16 PM   #3
4 Rivet Member
 
1966 30' Sovereign
1963 22' Safari
orlando , Florida
Join Date: Jun 2006
Posts: 280
Images: 9
In the sign business,MDO was used medium density overlay.This form of plywood was extremely resistant to water.Corocel,a newer pvc product in 4x8 sheets is totally water resistant.When I replace the floor in the '63 Safari with these products a dehumidifier will also be incorporated.MDO has no odor.
__________________
richie rich is offline   Reply With Quote
Old 05-23-2009, 05:19 AM   #4
4 Rivet Member
 
1977 31' Sovereign
Manchester , New Hampshire
Join Date: May 2006
Posts: 347
Images: 33
Blog Entries: 1
Quote:
Originally Posted by jpeterman View Post
why not just use marine plywood
I think that would be good but why not in heavy wet areas like the rear bath and around the front of trailer use even rubberized bed line type material. You can spread around where the floor meets the inside paneling and just apply like a foot back from wall . Another thing to do is make sure your belly has no holes and rot spots. and resealing the front and rear of trailer . I can see where towing while it is raining would be like a pressure washer on the trailer and the water could find a way into trailer.
__________________
1976 Airstream Sovereign International Landyacht (renovating)(found DOM plate said 1976)
1968 Airstream Caravel 17 footer

2004 Nissan Titan with BT package
K/N Cool intake air
Duel power exhaust
Mrcrowley is offline   Reply With Quote
Old 05-23-2009, 06:16 AM   #5
Rivet Master
 
SteveH's Avatar
 
2005 39' Land Yacht 390 XL 396
Common Sense , Texas
Join Date: Sep 2007
Posts: 5,311
If I were replacing a floor in an Airstream, or even replacing the carpet in an Airstream, I would treat the plywood with CPES (Clear Penetating Epoxy Sealer) from here: Wood preservation, rot repair, and restoration using epoxy resin on boats, homes and log homes.

The stuff just works great!
__________________
SteveH is offline   Reply With Quote
Old 05-23-2009, 07:51 AM   #6
3 Rivet Member
 
navyeod's Avatar
 
1958 26' Overlander
1991 29' Excella
auburn , Alabama
Join Date: Jun 2008
Posts: 120
thanks

Thanks Steve, just what I was looking for. Just ordered 2 gallons. Was looking for a penetrating sealer before I covered my subfloor.
__________________
navyeod is offline   Reply With Quote
Old 05-23-2009, 08:01 AM   #7
Rivet Master
 
PizzaChop's Avatar
 
1973 31' Sovereign
Danielsville , Georgia
Join Date: Feb 2004
Posts: 747
Images: 202
I have used CPES on a boat transom and did treat parts of my floor in the Airstream with it and agree that it is a good product.

But the best way to avoid floor rot is to prevent leaks through regular inspections and scheduled maintenance. I'm convinced most rot/rust is the result of years of neglect by owners who are no longer vigilent (or never were.).
__________________
Ron Kaes
Psalm 112
www.paparonnis.com
PizzaChop is offline   Reply With Quote
Old 05-23-2009, 09:54 AM   #8
4 Rivet Member
 
Distantdrummer's Avatar
 
1975 31' Sovereign
Houston , Texas
Join Date: Nov 2003
Posts: 494
Arrow Treat the Edges for sure

Quote:
Originally Posted by briheath View Post
on my 65 tradewind.
Has anyone ever used a roofing undelayment on the floor? I'm considering applying the underlayment to the entire floor to help prevent future rot. My trailer seemed to have alot of rot around the entry door and the rear compartment door.
The water runs down the walls and collects on the floor causing it to rot.
It seems to me that this could be caused from the skin sweating in cold or cool nights. Condensation will be produced as air is leaking out of the camper and then the water runs down the walls and collects on the floor causing it to rot.
Interesting hypothesis that I have never considered nor seen mentioned before.
However it seems that your premise would produce somewhat equal perimeter rot in all areas of the wall surround, and I don't think that is consistent with most of the reports.

On the other hand what could your layering of the floor hurt ? Nothing that I can think of.
I think Roofing Felt (tar paper) either 15# or 30# weight would do the same thing too. But because the c-channel is sometimes real tight to force the plywood into, I do not know how the top sheet would keep from bunching or tearing. I would agree that perimeter edges of plywood should definitely be treated or coated with something.
__________________
__________________________
____ d'drummer ____

...aahh..rumm..pu..tum..tummm...
Distantdrummer is offline   Reply With Quote
Old 05-23-2009, 10:18 AM   #9
Rivet Master
 
Crusty's Avatar
 
1992 34' Excella
Austin , Texas
Join Date: Mar 2007
Posts: 562
Images: 10
There's some interesting information here Penetrating Epoxies - Test Results at the website of Progressive Epoxies.

I read this article and I used his formula and products to make my own penetrating epoxy to stabilize some water damaged OSB flooring (followed by an overlay of fiberglass mat with epoxy for strength) with good results.
__________________
Crusty
"If you come to a fork in the road, take it."
Austin, TX "Rancho Deluxe"
Crusty is offline   Reply With Quote
Old 05-23-2009, 10:50 AM   #10
Rivet Master
 
truckasaurus's Avatar

 
1960 33' Custom
Saskatoon , Saskatchewan
Join Date: Jun 2005
Posts: 1,182
Images: 25
I'm in the middle of applying East system Marine epoxy to exterior ply for the floor. (I've added some aluminum powder from WEST to increase abrasion and moisture resistance).

I like the idea of extra protection but I'd be concerned about building up layers that moisture might get trapped in make things worse. Could you lay it down into wet epoxy maybe?

Not to go off on a tangent but I notice on mine that the box section that runs from the tongue back is open at both ends; I don't know the best way to limit the water ingress from this but it's on my mind. I'm thinking of shooting expanding foam or something at the forward end but it sounds a bit sketchy; any ideas?
__________________
1960 Sovereign 33' Pacific Railroad Custom
truckasaurus is offline   Reply With Quote
Old 05-23-2009, 11:09 AM   #11
New Member
 
2004 19' Bambi
Fairgrove , Michigan
Join Date: Feb 2006
Posts: 1
marine plywood rots! Just like all other un treated wood . Treated green board pontoon deaking is better of the two, limited thickness avalable . We buy ours directly from a pontoon mfg. who buy to his spec. Sealing is a good idea but its the hole that you drill that lets water in and with a sealer or overlayment it's trapped. Now the process starts all over again . West system epoxy thined works well if build up along the edge is an issue you have to fit it first an allow for it. The hole or drilling issue every hole or screew has to be sealed ie; adhesive sealent. Same treated woods do not accept resin or epoxies well, bonding problems. You may be better off with a penetrating wood prservative that will soak in with a very wet coat.

Brad G&B Custom Marine Canvas Upholstery and Repair

04 Bambi Mid restoration R&R CS complete due to being rolled on it's side
All the fun I can stand!!
__________________
Brad Barnes is offline   Reply With Quote
Old 05-23-2009, 11:44 AM   #12
Aluminut
 
Silvertwinkie's Avatar
 
2004 25' Safari
. , Illinois
Join Date: Feb 2003
Posts: 10,334
I dunno if what the factory is doing will prevent rot, but clearly, they must feel that rot is happening on the edges. Airstream started coating the plywood edges sometime in 2005. Attached is a picture I took when cameras were still allowed on the production floor. You can see the black along the edges where the shell and wheel wells come into contact with the plywood. I don't recall what kind of coating it is, but I seem to recall it was similar in texture of that stuff that is used as spray on liner on pickup truck beds.....
Attached Thumbnails
Click image for larger version

Name:	1.jpg
Views:	115
Size:	67.0 KB
ID:	80735  
__________________
Computers manufactured by companies such as IBM, Compaq and millions of others are by far the most popular with about 70 million machines in use worldwide. Macintosh fans note that cockroaches are far more numerous than humans and that numbers alone do not denote a higher life form. -NY Times 11/91
Silvertwinkie is offline   Reply With Quote
Old 05-23-2009, 03:39 PM   #13
2 Rivet Member
 
1965 24' Tradewind
Warner , New Hampshire
Join Date: Feb 2009
Posts: 32
I want to say thank you to everyone for all your great ideas. I like the use of a penetrating epoxy or the truck bed liner stuff. Since I have the shell removed from the frame I am thinking about running a bead of vulkum (i think i spelt it right) around the edge ( under the c-channel). Any additional information would be greatly appreciated.

Thank You
Brian
1965 tradewind twin/frame off restoration.
__________________

__________________
briheath is offline   Reply With Quote
Reply


Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
 
Thread Tools Search this Thread
Search this Thread:

Advanced Search
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off


Similar Threads
Thread Thread Starter Forum Replies Last Post
Check out my floor rot! osolow Repairing/Replacing Floor &/or Frame 24 09-11-2008 07:43 PM
77 Argosy floor rot kontiki Repairing/Replacing Floor &/or Frame 4 10-21-2006 07:09 PM
Interesting Article on Wood Preservation and Rot Prevention Pick Repairing/Replacing Floor &/or Frame 0 07-29-2005 12:34 PM
repairing floor rot danesh Repairing/Replacing Floor &/or Frame 18 02-03-2004 10:34 PM
Floor Rot mmeburges1 Repairing/Replacing Floor &/or Frame 3 01-10-2004 07:21 PM


Virginia Campgrounds

Reviews provided by




Copyright 2002- Social Knowledge, LLC All Rights Reserved.

All times are GMT -6. The time now is 04:32 PM.


Powered by vBulletin® Version 3.8.8 Beta 1
Copyright ©2000 - 2017, Jelsoft Enterprises Ltd.

Airstream is a registered trademark of Airstream Inc. All rights reserved. Airstream trademark used under license to Social Knowledge LLC.