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Trailer Flooring??? #5142140
06/23/19 07:36 PM
06/23/19 07:36 PM
Joined: Dec 2016
Posts: 2,505
MURICA
maverickfhs Offline OP
maverickfhs  Offline OP

Joined: Dec 2016
Posts: 2,505
MURICA
So I recently picked up a 4x8 and it's made by this company: http://cesmith.com/ and comes with 13 inch tires. I really liked it, can be an excellent platform for towing motorcycles and other stuff behind a car smile

But the floor is made of plywood and it's almost rotted out.

Have to put a floor, was thinking to use 2x4(PT), laid right next to each other would be a good option. Is that a good option or should consider something else? Appreciate any help and advise thumbsup


2006 Civic EX 205K/AT
2006 Acura TSX 187K/AT
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Re: Trailer Flooring??? [Re: maverickfhs] #5142161
06/23/19 07:53 PM
06/23/19 07:53 PM
Joined: May 2014
Posts: 1,677
Minnesota
philipp10 Offline
philipp10  Offline

Joined: May 2014
Posts: 1,677
Minnesota
Green treated plywood will probably last you more than a decade and mounts easily. How would you mount separate 2 x 4's?

Last edited by philipp10; 06/23/19 07:54 PM.
Re: Trailer Flooring??? [Re: philipp10] #5142168
06/23/19 07:59 PM
06/23/19 07:59 PM
Joined: Dec 2016
Posts: 2,505
MURICA
maverickfhs Offline OP
maverickfhs  Offline OP

Joined: Dec 2016
Posts: 2,505
MURICA
Originally Posted by philipp10
Green treated plywood will probably last you more than a decade and mounts easily. How would you mount separate 2 x 4's?

What size or thickness for plywood would be good for motorcycle, fridge or very rare furniture stuff?

There are mounting holes on the frame, so laying one with the other and then bolting them down? Definitely a noob!


2006 Civic EX 205K/AT
2006 Acura TSX 187K/AT
2007 Accord VP 151K/AT
Re: Trailer Flooring??? [Re: maverickfhs] #5142188
06/23/19 08:24 PM
06/23/19 08:24 PM
Joined: Oct 2012
Posts: 2,752
Northern Ontario, Canada
Danno Offline
Danno  Offline

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Northern Ontario, Canada
You're looking at either 1/2" or 3/4" plywood. The 3/4" is quite heavy. How thick was the original plywood floor?

https://www.lowes.com/pd/Severe-Wea...-Sheathing-Application-as-4-X-8/50017278
https://www.lowes.com/pd/Severe-Wea...-Sheathing-Application-as-4-X-8/50017280


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Re: Trailer Flooring??? [Re: Danno] #5142214
06/23/19 08:54 PM
06/23/19 08:54 PM
Joined: Dec 2016
Posts: 2,505
MURICA
maverickfhs Offline OP
maverickfhs  Offline OP

Joined: Dec 2016
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MURICA
Originally Posted by Danno
You're looking at either 1/2" or 3/4" plywood. The 3/4" is quite heavy. How thick was the original plywood floor?

https://www.lowes.com/pd/Severe-Wea...-Sheathing-Application-as-4-X-8/50017278
https://www.lowes.com/pd/Severe-Wea...-Sheathing-Application-as-4-X-8/50017280

Thanks, think original is 3/4" but will measure it tomorrow.


2006 Civic EX 205K/AT
2006 Acura TSX 187K/AT
2007 Accord VP 151K/AT
Re: Trailer Flooring??? [Re: maverickfhs] #5142219
06/23/19 09:00 PM
06/23/19 09:00 PM
Joined: Dec 2003
Posts: 10,355
Florida, Cape Coral
Eddie Offline
Eddie  Offline

Joined: Dec 2003
Posts: 10,355
Florida, Cape Coral
3/4 IS THE WAY TO GO. ED


2014 CX5 Touring 2.5L :-)
Re: Trailer Flooring??? [Re: maverickfhs] #5142337
06/23/19 11:01 PM
06/23/19 11:01 PM
Joined: Aug 2004
Posts: 2,387
5600 feet elevation, Arizona
double vanos Offline
double vanos  Offline

Joined: Aug 2004
Posts: 2,387
5600 feet elevation, Arizona
If you go with 2x4s treat yearly with copper green: https://www.lowes.com/pd/COPPER-GRE...ner-Actual-Net-Contents-1-Gallon/3064247


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Re: Trailer Flooring??? [Re: maverickfhs] #5142383
06/24/19 12:34 AM
06/24/19 12:34 AM
Joined: Aug 2017
Posts: 689
Cincinnati, USA
Dave9 Offline
Dave9  Offline

Joined: Aug 2017
Posts: 689
Cincinnati, USA
Plastic deck planks. You don't need 2x (4) thickness, mostly just something that won't rot.

Re: Trailer Flooring??? [Re: maverickfhs] #5142396
06/24/19 01:06 AM
06/24/19 01:06 AM
Joined: Feb 2013
Posts: 11,615
Phoenix, AZ
Nick1994 Offline
Nick1994  Offline

Joined: Feb 2013
Posts: 11,615
Phoenix, AZ
Just get another sheet of nice plywood and either paint it or seal it, and just replace every few years. Not too big of a deal.


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Re: Trailer Flooring??? [Re: maverickfhs] #5142506
06/24/19 07:42 AM
06/24/19 07:42 AM
Joined: Apr 2008
Posts: 13,438
Central NY
Miller88 Offline
Miller88  Offline

Joined: Apr 2008
Posts: 13,438
Central NY
PT 4x8 sheet of 3/4'' plywood is what I have on mine. It's worked for appliances and > 2000 pounds of gravel / dirt / fill / cinder blocks


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Re: Trailer Flooring??? [Re: maverickfhs] #5142535
06/24/19 08:06 AM
06/24/19 08:06 AM
Joined: May 2007
Posts: 467
South Carolina
pcoxe Offline
pcoxe  Offline

Joined: May 2007
Posts: 467
South Carolina
Treated lumber can be corrosive to steel. Plastic deck boards would probably be best.

Re: Trailer Flooring??? [Re: Nick1994] #5142571
06/24/19 08:40 AM
06/24/19 08:40 AM
Joined: Nov 2008
Posts: 14,017
NH
supton Offline
supton  Offline

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Posts: 14,017
NH
Originally Posted by Nick1994
Just get another sheet of nice plywood and either paint it or seal it, and just replace every few years. Not too big of a deal.

Ditto. I did a sheet of advantek (sp?) and left it untreated, per the advice of the guy at the lumber store; I think it went 8 years before it rotted out? Mind you it would be full of snow over the course of the winter. Second time around I splashed house paint on it and it's holding up much better. Single sheet of 3/4" and some carriage bolts.

FWIW my HF trailer was painted red but it was the cheapest red they could use. And the metal is cheap too. You might do well to slap some house paint onto the metal surfaces too to slow down UV exposure on the paint that is still good.

Edit: on PT 2x4's (if you do siding) you're supposed to use galvanized hardware but I didn't, just used cheapo zinc and it seems to be holding up ok. YMMV. I suspect the unpainted PT will die before the zinc hardware will.

Last edited by supton; 06/24/19 08:41 AM.

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1999 Toyota Camry LE, 2.2L/4AT, 208k, his
Re: Trailer Flooring??? [Re: maverickfhs] #5142621
06/24/19 09:42 AM
06/24/19 09:42 AM
Joined: Mar 2015
Posts: 1,545
New York City
SeaJay Offline
SeaJay  Offline

Joined: Mar 2015
Posts: 1,545
New York City
Don't overthink it, put down some thick plywood. Slap some polyurethane on the wood first if it makes you feel better about its longevity.

Re: Trailer Flooring??? [Re: maverickfhs] #5145090
06/26/19 08:40 PM
06/26/19 08:40 PM
Joined: May 2014
Posts: 1,677
Minnesota
philipp10 Offline
philipp10  Offline

Joined: May 2014
Posts: 1,677
Minnesota
Originally Posted by maverickfhs
Originally Posted by philipp10
Green treated plywood will probably last you more than a decade and mounts easily. How would you mount separate 2 x 4's?

What size or thickness for plywood would be good for motorcycle, fridge or very rare furniture stuff?

There are mounting holes on the frame, so laying one with the other and then bolting them down? Definitely a noob!

depends upon the structure below the wood but I would go 5/8 or 3/4. I used 5/8" and it was plenty. I was glad I went 5/8" over the 3/4 just due the weight savings. Some poster mentioned replacing every few years.....trust me, it will last minimum 10 years. I know because I have a piece of non-treated as a lean-to roof that went 15. On my trailer I didn't even bolt it down, just used wire as tie wraps on the front. It fit so tight I don't think it could come out even without them.

Last edited by philipp10; 06/26/19 08:41 PM.
Re: Trailer Flooring??? [Re: philipp10] #5145095
06/26/19 08:41 PM
06/26/19 08:41 PM
Joined: Dec 2016
Posts: 2,505
MURICA
maverickfhs Offline OP
maverickfhs  Offline OP

Joined: Dec 2016
Posts: 2,505
MURICA
Originally Posted by philipp10
Originally Posted by maverickfhs
Originally Posted by philipp10
Green treated plywood will probably last you more than a decade and mounts easily. How would you mount separate 2 x 4's?

What size or thickness for plywood would be good for motorcycle, fridge or very rare furniture stuff?

There are mounting holes on the frame, so laying one with the other and then bolting them down? Definitely a noob!

depends upon the structure below the wood but I would go 5/8 or 3/4. I used 5/8" and it was plenty. I was glad I went 5/8" over the 3/4 just due the weight savings. Some poster mentioned replacing every few years.....trust me, it will last minimum 10 years. I know because I have a piece of non-treated as a lean-to roof that went 15.


Thank you, would OSB board would be good too?


2006 Civic EX 205K/AT
2006 Acura TSX 187K/AT
2007 Accord VP 151K/AT
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