This might sound dumb but I don’t have a tire there and I live in a huge area I can instantly get a new tire on it. I have amplifiers and drums and I find it causes the area to sink in. I think it’s causing some creasing and probably some other issues. I don’t want to completely break that part as a small part definitely snapped. What do you use to fill the space? Or what can you buy to retrofit over it that would be stronger? If I have all my amps and drums it’s probably like 200 pounds max?

I admit I should have thought about this sooner and taken better care. But honestly the car takes a pretty good beating. I don’t plan on returning it when the lease is up (this July) as it’s not worth getting anything else!

 

Plywood is the obvious answer. You can use the current spare tire cover as a template. My dad (a mechanic) has done this in every hatchback he's ever owned so that he can carry tools/toolboxes, tires, wheels, etc.
I'm not sure what thickness you want, but I think 3/8, 1/2, and 3/4 inch are available at Lowe's or similar. Obviously thicker is stronger, but also more expensive and heavier. You might be able to use a thinner piece of plywood with a few gussets screwed in to the bottom side.

 

Action Jackson's tinkering - Page 2 - Unofficial Honda FIT Forums (fitfreak.net)

 

Plywood... darn it someone beat me to it! Maybe 3/8" - the thinner the better because thick stuff can be a nuisance because of the high edges. Then try and keep the heaviest weights to the outer part of the trunk rather than the center if possible.

 

just take the cover off,put a blanket down and use the extra space?

when i bought that car they said " wow..its a manual it has a spare tire"...im like "huh? i thought ALL cars had a spare tire " in canada the manual had a spare and the automatic didnt i heard......it that true in USA?

 

Styrofoam. Read through the biggest loser thread on this forum. It’s a good one.

 

Gross.....

 

I would consider 1/4" luan(sp?). Something like this maybe? https://www.lowes.com/pd/SurePly-1-4...4-x-8/50124674
It is flexible though so it may not meet your need.

 

Why is that gross. Just grab a styrofoam block out of something u got shipped to u. It weighs nothing is the point.

 

we need to utilize the underutilized spare tire space first to lower the CG

 

That really makes no sense whatsoever.

 

Hope this link will work, I made a plywood cargo floor with a hatch in it a while back.

https://www.fitfreak.net/forums/3rd-...ml#post1462362