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Old 05-10-2008, 06:12 PM   #1
Jacob Nole
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Building a lifting platform

I want to build a lift platform, but the instructions on Mike B's site was kinda confusing. I already have two 4X6 rubber horse stall mats. Any suggestions?
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Old 05-11-2008, 10:17 AM   #2
Lincoln Brigham
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Re: Building a lifting platform

Cut the mats in half into 2' strips. Then get 5 sheets of 4x8x3/4" plywood, a box of drywall screws and go to town.
http://crossfitsedona.typepad.com/Im...erplatform.gif
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Old 05-11-2008, 06:47 PM   #3
Alex J. Perez
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Re: Building a lifting platform

you need another piece of rubber mat. the 4x6's are two feet too short.
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Old 05-11-2008, 06:54 PM   #4
Lincoln Brigham
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Re: Building a lifting platform

If he cuts both mats into 2' strips, he'll have 8' left over.

Or cut one mat in half and backfill the ends with pieces of 1'x2'x3/4" plywood.

Or make an 8'x6' platform.
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Old 05-12-2008, 10:05 AM   #5
Ryan Stitt
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Re: Building a lifting platform

I was going to use a single sheet of ply over the concrete of my garage floor, but when I did, I realized how much slope was in the floor. I spent most of yesterday leveling the platform.
Moral of the stoie, before you getto far along, make sure you know where you want your platform and tat it is level. I only used a single layer of 23/32 ply then the rubber matting and the 3/4" play where the lifter is. The floor was leveled by ripping 2x4s. The ripped 2x4s were glued and screwed together so form a 3" "floor joist". The spacing on the joists is 9" on the inside where the weights would come down and it goes to 10.5" on the inside where the lifter is. After finishing it up yesterday evening, I was pleased with the results.
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Old 05-22-2008, 08:53 AM   #6
Paul Beckwith
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Re: Building a lifting platform

just finished our second one yesterday!
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Old 05-22-2008, 08:54 AM   #7
Christian Salas
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Re: Building a lifting platform

Can you post pictures?
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Old 05-22-2008, 12:56 PM   #8
Ryan Stitt
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Re: Building a lifting platform

Here is a picture of my platform. It had to be leveled and I thought I could skirt using 2 layers of ply, but you definately cannot if the platform is raised as mine is, so I am going to lay another layer and turn the platform 90 degrees from its current orientation (I'm really not turning anything, the top layer will be removed, a second layer placed, and then to keep things correct, the top layer turned 90 degrees.

The area of my platform is 9'4"x8' feet due to the size of the area it is in, therefore, I used more mats, but it is also more useable space as the platform can also be used for other things. Next on the list is the plyo boxes and pulling blocks following Lincoln's instructions from the CFJ (thus the extra ply on the left wall ).

The picture that Lincoln posted is excellent!

The matting laying across the center of the platform was laying there from construction.
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Old 05-22-2008, 04:25 PM   #9
Lincoln Brigham
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Re: Building a lifting platform

Glad to be of help!

From what I've seen, the average garage slopes down towards the street about 1" for every ten feet. So to level an 8' platform the front should be about 3/4" higher than the back. But don't take my word for it: Measure twice, cut once.
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Old 05-24-2008, 08:17 PM   #10
Richard Orpen
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Re: Building a lifting platform

I was thinking of building a platform and am very concerned abou the slope in my garage. I think it is more than a 1 inch drop every 10 feet. But the thing I was wondering was the exact way to level it. Is it safe to just raise one side about an inch so that is it level? Or should try to take some boards and cut them so they are 8 feet long and are the exact angle of the garage floor?
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