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Main Forum => Tips and Tricks => Topic started by: Barry-Sue on February 04, 2013, 12:31:20 pm



Title: Rust on interior of door frame
Post by: Barry-Sue on February 04, 2013, 12:31:20 pm
We were getting just a small amount of surface rust on the door frame where it is welded to the body of the motorhome.  We went out and bought some rustoleum in a GLOSSY WHITE color, cleaned the area and painted with a light coat of the rustoleum.  All looks good now and hopefully we will prevent any rust from taking over that area. 

The glossy white was a decent match, not perfect, but since we keep it covered with a small mat only we will know it was repainted.

Sue


Title: Re: Rust on interior of door frame
Post by: ron.dittmer on February 04, 2013, 02:14:57 pm
With my 2007 2350, the only serious area of rust is the back side of the metal door-entry step.  When you look up from below (use a large mirror and light if you have to) that metal box that forms the entry step appears completely unprotected.  I need to do something with mine before it gets out of control.

Barry-Sue
I wonder if that is the same rust you are battling.  Maybe it has come through from the back side.  Maybe the real solution is sealing the back side to stop it from bleading to the visible side.


Title: Re: Rust on interior of door frame
Post by: ragoodsp on February 04, 2013, 05:07:49 pm
I sprayed the stair box with rust sealer spray and then covered it with 3/8 closed cell adhesive foil backed insulation.  This insulation really helped with road noise coming up thru and I am sure it helps with heat/cold.  Very inexpensive and looks really nice when complete.


Title: Re: Rust on interior of door frame
Post by: ron.dittmer on February 04, 2013, 05:20:39 pm
I sprayed the stair box with rust sealer spray and then covered it with 3/8 closed cell adhesive foil backed insulation.  This insulation really helped with road noise coming up thru and I am sure it helps with heat/cold.  Very inexpensive and looks really nice when complete.
The only concern with the adhesive insulation would be for returning rust without knowing it.  But I like the sound deadener idea.

I wish I had some left over POR-15 but it is so expensive and I need so little.  That is ideal for stop-rust, then insulate over it.


Title: Re: Rust on interior of door frame
Post by: Barry-Sue on February 04, 2013, 07:55:13 pm
Quote
Barry-Sue
I wonder if that is the same rust you are battling.  Maybe it has come through from the back side.  Maybe the real solution is sealing the back side to stop it from bleading to the visible side.
No Ron, it is not from the back side of the metal door entry step.  It is just from the overspray of the welding process when they put the door frame together.  It is right at the corner on the front of the step.  

We used chassis saver to handle any of those areas that are prone to rust.


Title: Re: Rust on interior of door frame
Post by: Carolp495 on February 04, 2013, 08:42:30 pm
The box you speak about behind the steps up underneath .... our 2013 2350 is solid rust. Didn't seem like the company we picked it up from cleaned it up and we had rust in the tail pipe and some corrisive areas from what I am assuming is salt from the vehicle coming from up north ?
I read something somewhere on the blog about something clear that takes care of the rust and protects it, or did I just dream it ?

I would like to take care of it asap butu not sure what to use.


Title: Re: Rust on interior of door frame
Post by: Barry-Sue on February 05, 2013, 08:27:00 am
Carol,

We have used chassis saver to take care of any rust on the frame.  This is a link http://www.magnetpaints.com/underbody.asp
It is similar to por-15.

It is not clear.  It comes in a couple of shades of black and a silver color.  Not cheap and you have to be "VERY" careful when you use it because it will bond to anything--including skin.  But the benefits are it does bond the rust and thus stop it from speading further.

We bought it at a local auto store in our area.

We used it first on our battery tray and it looks brand new.  I think we bought an 8 ounce can for $30.

Sue


Title: Re: Rust on interior of door frame
Post by: ron.dittmer on February 05, 2013, 09:21:12 am
We have used chassis saver to take care of any rust on the frame.  This is a link http://www.magnetpaints.com/underbody.asp
It is similar to por-15.

It is not clear.  It comes in a couple of shades of black and a silver color.  Not cheap and you have to be "VERY" careful when you use it because it will bond to anything--including skin.  But the benefits are it does bond the rust and thus stop it from speading further.

We bought it at a local auto store in our area.

We used it first on our battery tray and it looks brand new.  I think we bought an 8 ounce can for $30.

Sue
Sue that sounds about right.

I used POR-15 (it's black) on my pickup truck frame with the cargo bed removed.  A little got on my skin through a hole in a rubber glove.  I think it finally went away after 6 weeks.  My skin had to shed for it to go away.  It would not come off otherwise.

My little 1996 Ford Ranger truck sees Chicago salty winters, and I never wash it.  I used POR-15 on it's badly rusted frame 4 years ago and most of the frame is still well protected.  I did bang off the loose rust before application.

I'll have to check out your chassis saver since POR-15 is not easily found in stores around town.


Title: Re: Rust on interior of door frame
Post by: Carolp495 on February 05, 2013, 08:57:22 pm
Thanks Sue ... I could not believe how bad it looks. Vince pressure washed the underneath of the rv yesterday but we really need to treat it .... do you have to do anything to the existing rust first or just paint right on it ?
Carol

Carol,

We have used chassis saver to take care of any rust on the frame.  This is a link http://www.magnetpaints.com/underbody.asp
It is similar to por-15.

It is not clear.  It comes in a couple of shades of black and a silver color.  Not cheap and you have to be "VERY" careful when you use it because it will bond to anything--including skin.  But the benefits are it does bond the rust and thus stop it from speading further.

We bought it at a local auto store in our area.

We used it first on our battery tray and it looks brand new.  I think we bought an 8 ounce can for $30.

Sue

Carol,

We have used chassis saver to take care of any rust on the frame.  This is a link http://www.magnetpaints.com/underbody.asp
It is similar to por-15.

It is not clear.  It comes in a couple of shades of black and a silver color.  Not cheap and you have to be "VERY" careful when you use it because it will bond to anything--including skin.  But the benefits are it does bond the rust and thus stop it from speading further.

We bought it at a local auto store in our area.

We used it first on our battery tray and it looks brand new.  I think we bought an 8 ounce can for $30.

Sue


Title: Re: Rust on interior of door frame
Post by: ron.dittmer on February 06, 2013, 12:46:27 am
Carol,

Such products say to just paint right over the rust, but I advise to remove loose flaking rust.  Quickly going over rust with coarse sand paper would be adequate.  I consider it critical for the metal to be clean of road grime, salt and also to be dry.  It never hurts to wipe the area with laquer thinner or rubbing alcohol to remove rust dust and any oil, though not an absolute requirement unless condition is excessive.


Title: Re: Rust on interior of door frame
Post by: Barry-Sue on February 06, 2013, 08:19:12 am
Carol,
   Chassis Saver should be applied to clean sandblasted steel or right over tightly adhering rust and scale.  So we made sure we cleaned and had a somewhat rough surface.  If it is over a smooth surface you have to use an etching primer or sandpaper to get it somewhat rough.  But the parts under the RV that need protection just need to be cleaned and have no loose rust.

   Another word of caution is that if it is exposed to direct sunlight it will lose its gloss and turn a dull almost grayish black.  The silver color will not change much.

   We used the black and since it is not exposed to direct sunlight it looks like the day we put it on.  Just cover yourself well before applying it and don't splatter anything on your skin or anything you do not want permanently painted.

Sue


Title: Re: Rust on interior of door frame
Post by: BGolden on May 27, 2014, 08:21:59 pm
I'm about to tackle the entry door rust problem.  Reading the posts made here most of my questions were answered. I am wondering if the screen door can be removed so that I can clean and repair the whole step at once.

Bill


Title: Re: Rust on interior of door frame
Post by: BGolden on May 30, 2014, 04:47:08 pm
I Like The Way You Think.    :)(:


Title: Re: Rust on interior of door frame
Post by: gradygal on May 30, 2014, 05:23:09 pm
Come on Bill--Cough it up! We agree with Barry and Sue--a 2450 would look real smart in Massachusetts!!!!!

Judi


Title: Re: Rust on interior of door frame
Post by: BGolden on May 30, 2014, 05:42:23 pm
Barry opened up a can of worms.
Got to thinking , not only a new screen door.
New Tires....I need 6 new tires.
New Batteries.
Nice wood floor vs. Tiled
More Room
Power Awning vs Crank it out

And she could be all dressed and ready for PEI in August.  Maybe I'll ask Karen to go and get that  knee replacement done early.....I'll ask her just as they put her under cuz that's only way I might have  a chance.      :-D


Title: Re: Rust on interior of door frame
Post by: gradygal on May 30, 2014, 06:33:54 pm
Bill,
We're going to be on Orr's Island Maine in August (and Acadia from 7/29 to 8/3), you could bring her up on your way to PEI and we could convince her that you didi the right thing---see you then!!!!!!! :)(:

Judi


Title: Re: Rust on interior of door frame
Post by: Jan and Dick on September 09, 2014, 06:54:28 am
All of your posts prommpted me to check my 2012 2552 and found the same problem rust.  I figure it is a result of my trip down to Florida last winter.  One question I have , did anyone remove the electric step before applying chassis saver.  It would seem that there probably is rust under the step.  I also found rust on other things under motorhome and plan treat them as well.  How far doesa quart of this stuff go?


Title: Re: Rust on interior of door frame
Post by: ron.dittmer on September 09, 2014, 09:44:22 am
All of your posts prommpted me to check my 2012 2552 and found the same problem rust.  I figure it is a result of my trip down to Florida last winter.  One question I have , did anyone remove the electric step before applying chassis saver.  It would seem that there probably is rust under the step.  I also found rust on other things under motorhome and plan treat them as well.  How far doesa quart of this stuff go?
I was all ready to apply a couple coats of protection.  It had ben many years since I looked under there and assumed it was screaming for help.  But our step box is hardly rusted, more like virgin metal with a little more than discoloration.  But what really stopped me was that I would definitely remove that step mechanism to do it right.  I figured given our particular situation, it was not worth  doing yet.

Our rig has not seen salt as of yet and stored indoors, apparently why so little degradation.


Title: Re: Rust on interior of door frame
Post by: Jan and Dick on September 09, 2014, 03:10:16 pm
you're lucky.  When I got back from Florida last spring I knew I had rust underneath.  I did not look at the step  box until reading these posts.  I will definitely  do the step box and all the other areas that I did lasst spring.  You just confirmed my thoughts about how to do the job.  I hope i never have to repeat last year's trip down.  I drove the first  60 miles on black ice.  I had no idea I was doing so much damage to underside of my motor home.  Thanks for the advice.


Title: Re: Rust on interior of door frame
Post by: Barry-Sue on September 09, 2014, 03:31:12 pm
WARNING - WARNING

We called Phoenix prior to using the chassis saver on our step.  The step is bolted on, then the plywood is laid, then the vinyl flooring.  There would be no way to access the bolt heads and keep the bolts from spinning thus never being able to tighten the bolts again.  That is why we did not remove the step.

Also, do not get  the chassis saver on any moving parts because it does bond metal to metal!

A quart does go along way.  It has the consistency of water but does set up quickly once exposed to air.


PS-Our rust is probably from our many trips to Florida in the winter as well but it's a small price to pay.  I'll take rust over snow any time.  ;)


Title: Re: Rust on interior of door frame
Post by: BGolden on September 09, 2014, 05:17:19 pm
One of older posts dealing with my rust problem


http://www.phoenixusarv.com/community/index.php/topic,1248.msg13939.html#msg13939


Title: Re: Rust on interior of door frame
Post by: Dynadave on December 08, 2014, 05:17:34 pm
Most of the products discussed here to  stop rust are acid based and convert rust to iron oxide. Most farm supply stores  such as Tractor Supply sell products to treat rust, one of the names that it is sold under is Ospho, I also believe it is much less expensive. Autozone also sells a similar product as do most auto parts stores.  Rustoleum sells spray cans that are called Rust Reformer that works quite well on lightly( surface rust) rusted surfaces, it is kind of a primer/rust converter. Usually it is best to let the product dry and cure for 24 hours then follow up with a coating of paint. As stressed in other posts, don't get it on your skin, use eye protection, and have the area well ventilated. I have used these products on my RV's and classic cars and they work well if you follow the directions, money and time well spent.