Matthew, wondering about trillium floors... - Page 3 - Fiberglass RV


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Old 07-31-2015, 05:33 PM   #29
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I bet it was to simplify mould release
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Old 07-31-2015, 10:37 PM   #30
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so i'm stumped, I have been looking at boat building forums trying to figure out how to glue the plywood to the fibreglass underbelly and then the old floor back into a sandwich....

the floor looks like it was originally set into a puddle of resin, the contact seemed inconsistent there were thick and thin parts yet it was stuck down pretty solid. I assume they used the same poly resin the had on hand...

what I have seen on the internet so far makes it sound like using anything but epoxy is a travesty, but I also get the distinct impression it is largely pushing of party lines, epoxy people pushing epoxy with polyester users on the defensive. I am becoming less and less concerned with the wood choice and more doubtful of the glue...
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Old 07-31-2015, 11:50 PM   #31
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Originally Posted by Ironhinge View Post
so i'm stumped, I have been looking at boat building forums trying to figure out how to glue the plywood to the fibreglass underbelly and then the old floor back into a sandwich....

the floor looks like it was originally set into a puddle of resin, the contact seemed inconsistent there were thick and thin parts yet it was stuck down pretty solid. I assume they used the same poly resin the had on hand...

what I have seen on the internet so far makes it sound like using anything but epoxy is a travesty, but I also get the distinct impression it is largely pushing of party lines, epoxy people pushing epoxy with polyester users on the defensive. I am becoming less and less concerned with the wood choice and more doubtful of the glue...
Hi Matt, yes it can get real confusing using the web. I think you're right with the epoxy/poly crowd but there have been a number of posts from folks that work with FG and say to only use one on the eggs. Wish I could remember which. I've done a bunch of mods and, and yes, repairs on my FG bodied dune buggy with the resin from the box stores, whatever it was. Never had a problem with any of them coming apart or cracking. I can guarantee to you that what I put the buggy through off road wouldn't even be close to the worst road any egg ever sees. Can't see any need for gluing the floor down. Setting the ply down in a puddle of resin with some weight on it sounds good to me. A cover coat after setup with some matt or cloth, should be good to go depending on the top finish you want to end up with. Hopefully Fiberglass Dave (that's not me)will pop into this and give you his advice. I probably just muddied it up for you.
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Old 07-31-2015, 11:54 PM   #32
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at this point it all helps, Thanks
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Old 08-02-2015, 06:31 AM   #33
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I used marine plywood, it was expensive but seemed very strong and light... if I ever do this again I think I would use cdx exterior grade plywood, It has a similar waterproof glue it's just made of pine and is allowed to have voids in the core...
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Old 08-05-2015, 03:28 PM   #34
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installed floor

I installed a patch in the floor extending from a few inches in from the kitchen and across to under the door... the piece I put in is 48in wide. The front of the trailer to the closet was originally a full sheet, now it has a seam in the middle. I did this to avoid pulling up the kitchen.
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Old 08-05-2015, 04:37 PM   #35
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Good plan. Pictures are nice.
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Old 08-05-2015, 11:20 PM   #36
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So, some pictures
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20150802_070615.jpg   20150802_070610.jpg  

20150802_181246.jpg   20150802_181237.jpg  

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Old 08-05-2015, 11:28 PM   #37
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Oh, forgot to say I cleaned the floor, polyester resin coated the wood, then as quick as I could laid down resin on the floor and screwed though the new plywood and fiberglass into plywood and wood scraps I had cut and had ready under the trailer... it was the only way without flipping the trailer upside down I could think of to clamp the new floor to the flexible fiberglass under it
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Old 08-06-2015, 02:37 PM   #38
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I wanted to make sure everyone knows how appreciative I am for the help and support, sometimes I read back on my posts and am unsure if it is communicated so I thought It was worth saying, Thank You All
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Old 08-06-2015, 02:42 PM   #39
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I am grateful that you have shared this with us. I have never seen under the floor before.
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Old 08-07-2015, 06:00 PM   #40
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picts
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Old 08-07-2015, 06:07 PM   #41
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pictures
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20150803_145352.jpg   20150802_181308.jpg  

20150802_181304.jpg   20150802_181301.jpg  

20150802_181240.jpg   20150802_181237.jpg  

20150727_190922.jpg   20150727_165811.jpg  

20150727_165804.jpg   20150727_113548.jpg  

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Old 09-26-2015, 03:54 PM   #42
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I wanted to fill in a few things I would have done differently if I had known better at the time...

So I had set a jack under the hinge side of the door to square the opening while I fibre-glassed in the floor... I was under the impression that the front of the trailer had sagged over the frame and that the sag was somewhat Isolated... as I look around the trailer and the internet it seems that in actuality it was this balloon effect of the walls sagging out that was more likely the culprit. If I was to do this again I would think along the lines of jacking the roof up and somehow clamping the lower part of the walls together before fibreglassing it all in place
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