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TOPIC: Repairing 36RL Slide D-Shaped Seals

Repairing 36RL Slide D-Shaped Seals 1 year 1 month ago #1

Can the top of the slide room support a person's weight (about 210 pounds)?

On our 36RL, the kitchen slide exterior top seal (D-shaped seal) and both vertical D-seals are beginning to fail. The top D-seal replacement will need someone (me?) to have access to the horizontal top seal rail. The topper material is in the way. I really do not want to remove the topper if possible. I would like to scoot along the top of the slide, laying in a prone position to remove the rail and replace the gasket.

If the topper was not there, I was just retract the slide and do the repair within an hour or so on a ladder. The folks at Carefree, the manufacturer of the slide toppers claim the topper must be removed. Most of the time required will be cleaning off the silicone sealant that was generously applied by Redwood. Removing the topper would be additional time.

Also wondering, with the slide retracted that the roller locking cotter pin, that is placed in the roller on the right side, prior to removing the cover material could be inserted then unbolt the roller support brackets and lay the assembly on the RV roof. Not sure of this.

I have observed that the street slide D-shaped seals are failing where they are in contact with silicone sealant. The 'D' shaped seal rail and seal have a continuous bead of silicone sealant along the entire length of the 'D' seal. In those areas where the seal is not in contact with silicone sealant the seal is in like new condition. Wondering if the sealant is causing these seals to fail.

Thank you beforehand for your comments. Outside of returning to our Redwood dealer, or bringing in a mobile RV tech what are my options? I would like to do this repair myself however not sure I should tackle the removal of the slide topper myself. That appears to be a job for two strapping strong people. I am about one half of a strapping person.;)

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Repairing 36RL Slide D-Shaped Seals 1 year 1 month ago #2

  • mhs4771
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I worked for a Company that made Military Radios and associated equipment and we avoided using Silicone where it would come in contact with Rubber. There was some type of inter-reaction between the two which would cause the Rubber to fail.

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Michelle & Ann
2018 Chevy 3500HD High Country Crew Cab DRW, D/A, 2016 RW39MB, Dual ACs, Auto Level, Auto Sat Dish, Stack W/D, King Sleep #, 17.5" GY114s w/Disc, 5.5 Onan, Mor/ryde Pin & IS, Comfort Ride Hitch, Res Fridge & Induction Cook Top

Repairing 36RL Slide D-Shaped Seals 1 year 1 month ago #3

When I replaced my seals on the Redwood, I had a terrible time finding anything to stick to the rubber. The first time I would bring in the slide and the seal compressed, the sealant would let go, even after letting it cure for a month with the slides open. I tried Proflex in a small spot, and that was the most awful stuff to get off after it let go on the rubber - that one ruined the paint.

A small town Redwood Dealer handed me a tube of Geocel MHRV 2300 and it worked perfectly. The MHRV stands for motorhome and recreational vehicle.

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2014 36RL (Sold) - Brad, Dory & Sarah

Repairing 36RL Slide D-Shaped Seals 1 year 1 month ago #4

  • dave
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Two years ago at the Rally I had that as one of my items for Redwood. The tech I believe slid across the slide out and did the work. I am not sure my 260LB frame would be good, but it worked for their guy. He looked to be about 180lbs.

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Dave

Repairing 36RL Slide D-Shaped Seals 1 year 1 month ago #5

Atom, thank you for the sealant info. I will go after that.

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Repairing 36RL Slide D-Shaped Seals 1 year 1 month ago #6

That's helpful. I am a little north of his weight however a few laps around the neighborhood should do it!!

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Repairing 36RL Slide D-Shaped Seals 1 year 1 month ago #7

For days, I've been looking through all of my factory photos in order to show how the roof of the slide is made. After an exhaustive search, I cannot find a good picture for you.

Having said this, the studs are on 16" centers (running interior to exterior). Keep in mind that toward the exterior side of the slide, it will naturally be a lot stronger than the interior edge due to the supporting wall. The interior edge spans the entire length of the slide.

For decking, it looks like they have 3/8" (or slightly less - 5/16" - 11/32") plywood.

I've been on our stationary roof deck many times. Each time, I deliberately step on the rafters and not in between the rafters.

Like you, I once needed to inspect the roof of the slide out. I happened to test footing on the bedroom double slide out (on the 38GK). I'll not advertise my weight directly, but I am probably more in line with the tech description in the previous post. I deliberately put my foot down gently to see if it would give. As more pressure was applied, I began to hear the cracking of plywood and immediately let off. So, for me, putting full weight on a slide roof and in between rafters is NOT a good idea.

If, in the future, I have to work in this area, I would just use an extension ladder from the ground level. The slide would only be out about a foot or so to access the area.

IF I had to get onto the slide top for any reason, it would be done with a couple of 2x12's or a 2' x 8' piece of 3/4" plywood stretched across.

It's ultimately your choice, but I'm not sure it would be worth the risk of just stepping onto the slide roof...

Let us know how it goes.

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Repairing 36RL Slide D-Shaped Seals 1 year 1 month ago #8

  • Paul Bridges
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Thats what I was thinking - lay a piece of plywood down to spread out the weight. That's what I did when working on the roof of our vintage trailer - it is definitely not designed to support a lot of weight.

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Paul & Tracy Bridges
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Repairing 36RL Slide D-Shaped Seals 1 year 1 month ago #9

I agree that beefy planking should be spanning those 16" on center slide roof joists before walking or laying on the slide roof. I favor standing on a ladder to replace the seals if I can lock the roller with a cotter pin and lay the roller onto the roof of the RV. Should be much easier to scrape all that sealant off the seal track area from a ladder than laying under the topper material on planking.

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