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Topic: Caravan floor delamination

Jab2

via mobile 08/6/2023 at 2:16pm
Location: Birmingham
Outfit: Swift Conqueror 560

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Hope someone has the answer.
My swift conqueror 560 2016 the floor has become spongy, which I presume it's delaminated?
The caravan is smart construction HT? So walls and floors have no timber..
Floor isn't ply, so my question is will the delamination kits work with this floor construction?

Pickled Onion

08/6/2023 at 5:07pm
Location: Near Alton Towers
Outfit: Bailey Burgundy S7 H

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Hi and welcome to the forum.
Most of the common problems associated with floor delamination don't actially involve the wooden internal battens or the plywood on top. They come about by the internal structure being compressed continially so that it fails to rebound to it's original thickness and therefore leaves a void between the ply and the foam filler. The original filler/insulation was styrofoam or expanded polystyrene but later models opted for a denser foam which generally performed much much better. Delamination appears in areas of much trodden floor, so by the entrance door or in front of the cooker/sink in the kitchen are all likely to suffer at some time.

Personally I see no reason why the same proceedure will not work to do the same job. I have only used the one-shot type and been happy with the results. It is used in conjunction with loads of dowels which, with the expanding 'glue' fills the voids and sticks the ply to the wooden dowels too giving added strength.

Dave.

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Give a man a fish and he will eat for a day,
Teach a man to fish and you can get rid of him for a whole weekend.

Rob and Tina

via mobile 08/6/2023 at 5:13pm
Location: Royal Forest of Dean
Outfit: Swift Major 4SB

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I thought that timber was still used until 2018 with earlier models using some kind of treated timber product.
Have you got damp reports from the annual services that show damp readings for the floor?

Rob

Jab2

via mobile 08/6/2023 at 5:22pm
Location: Birmingham
Outfit: Swift Conqueror 560

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Rob,
The floor on my van is a black composite with a blue filler, conqueror vans 2015/2016 was timberless.
Caravan has always been serviced by broadlane caravans and on its first service I asked about the damp report and got told the van is timberless.

If it the same process of just filling the void I will do the under floor method, rather than trying to remove the flooring.

navver

08/6/2023 at 6:33pm
Location: West country
Outfit: Mondeo

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We had a 1999 Bailey from 3 years old which developed the same problem after a few years. Dealer had it in, drilled lots of holes and injected resin. Came back fine. We kept if for several more years with no further problem.

Pickled Onion

10/6/2023 at 12:36pm
Location: Near Alton Towers
Outfit: Bailey Burgundy S7 H

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The reason for drilling through the top ply and foam is so that the dowels rest on the bottom ply, with gravity the filler drops into the void and expands. Some will inevitably bubble out the top but when set can be fairly easily removed. The drawback is that you need to cut and temporaly remove the vinyl floor covering to do the job.

The dowel support system is an essential part of inproving the floor structure preventing it reoccurring.

Dave.

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Give a man a fish and he will eat for a day,
Teach a man to fish and you can get rid of him for a whole weekend.

navver

10/6/2023 at 6:42pm
Location: West country
Outfit: Mondeo

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Our dealer drilled and injected from below to avoid damage to floor covering. It worked fine.

Cal1969

via mobile 21/8/2024 at 2:03pm
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Hi, Ive just come across this post. I’m having problems with my Swift floor also which is the composite version, I was just wondering if you managed to fix it?
Many thanks
Calum

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