fiberglass floor trillium - Fiberglass RV


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Old 05-10-2015, 01:15 AM   #1
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Name: Tom
Trailer: 13' Trillium
British Columbia
Posts: 49
fiberglass floor trillium

I am replacing the tile floor on my 4500 trillium. After removing the tile and glue found that there are a few screws in the floor by the kitchen and the floor is cracked from one end to the other. I don`t think they should be there.

Dose any one know why the floor would be cracked like that ?

How should it be fixed?

On my 1300 trillium the floor is OK.
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Old 05-10-2015, 02:41 AM   #2
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Name: Dave
Trailer: Casita SD17 2006
California
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Tom I really have no clue but the first thing that I would check would be the frame for a break. Sure seems that there has been some twisting and or wood rot going on to cause that. Our Trilly King David should be along soon with a better answer for you.
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Old 05-10-2015, 08:03 AM   #3
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Name: Mike
Trailer: Boler13/trillium4500/buro13
Ontario
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It looks to me the crack you are referring to is the separate moulded sections of the kitchen , closets, beaches and is normal . The screws were added later to make a tighter fit for the flooring tiles . The screws could become a problem as water could penetrate around them and start a process of rot in the plywood.
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Old 05-10-2015, 04:22 PM   #4
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Name: J.A. MICHEL
Trailer: TRILLIUM 1500
Quebec
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Trillium Floor to kitchen joint

Had the same experience in 1997 when refitting a 1979 T-4500. As the joint between floor and kitchen cabinet module was too obvious, I made a carboard templace and cut to shape a 3/4" piece of hardwood frame about 2" wide that I glued with epoxy and firmly screwed into place making sure not to go through the outer layer of the fiberglass shell. Painted with oil based enamel, laid new floor tiles and never had any problem after. Holes drilled through floor should be sealed with epoxy. Notice that with T-4500, the frame is made of two lenghts, stalked and welded above the suspension.
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Old 05-10-2015, 06:59 PM   #5
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Name: Tom
Trailer: 13' Trillium
British Columbia
Posts: 49
trillium floor

Well after reading the first two post ,I went out to check the frame. It is rusting and needs a good clean up and painting but it is OK. So next started checking under the front seats. The right side was wet from the under side , but the left side was just rotten , and it is rotten under the table . So I am guessing there is a lot of rot under the floor as well .One can feel high and low spots as you walk on the floor.

Can the top fiberglass of the floor be cut out and replace the plywood ,or will every thing have to come out to replace the plywood ?


PS Thanks for the feed back.
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Old 05-10-2015, 09:45 PM   #6
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Name: Mike
Trailer: Boler13/trillium4500/buro13
Ontario
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Tom the main culprit for floor rot on the trillium is from the belly band or the windows leaking which must be addressed first. On some trilliums there is a channel with drain holes to let the water drain out but unfortunately yours probably doesn't . Repairing the existing floor would be a daunting task,I think you would be better to put a new sub floor on top and a good vinyl or allure floor on top of that
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Old 05-12-2015, 06:09 PM   #7
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Name: J.A. MICHEL
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Quebec
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Hi! I'll have to give a closer look at the floor of both our T4500 79 and T1300 74 to see how the imbedded rotten plywood could be replaced for the main deck. As for the floor in the holds under the main table seats, I remember it was exposed plywood in bad shape that cleaned, dried and covered with a layer of nylon, paper machine screen, soaked with epoxy resin. Same with single front seat by the door. Almost bullet proof. Never felt any bump soft spot in the main deck. At first sight, a badly rotten plywood could easily peel off the under fg shell. A cut to shape piece of plywood could then be glued down in expoxy to eliminate voids where water could seep in. Then i'd cover with marine type fiberglass screen, just as done with a canoe or a boat. This would then be a perfect base for new flooring tiles... Et voilà.
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