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Old 10-02-2016, 04:08 PM   #1
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Wheel well mod: Blowout Prevention

I had a blowout on my first trip, and had some considerable damage to the underbelly. The tire shredded the fender, trim, through the floor, cut through water lines and coax cable. I even had tire pieces in the bathroom. It all happened so fast, but I got her over and stopped safely. I got rid of the Ridgway tires, but I don't want to debate tires here. I'm curious if anyone has welded any metal above the wheels to protect the underbelly from future blowouts?
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Old 10-02-2016, 04:14 PM   #2
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I placed a 16gauge strip of galvanized sheet metal above both sets of wheels. Screwed into the subframe and stainless screw heads sealed with rain gutter sealant. The strips were about 10" wide by 8' long and together only cost about $60. Probably won't stop a huge blowout but it will do better than the tyvek type cloth that was the only protection before.

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Old 10-02-2016, 08:36 PM   #3
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That's exactly what I had in mind. Luckily insurance is covering the damage, but it's going to the weld shop from there. I'm a big DIY fan, but welding isn't something I've ventured to...yet. Thanks.
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Old 10-03-2016, 11:09 AM   #4
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There was a thread here a while back where someone took a set of tandem utility trailer fenders and installed them over the wheels of an RV to try and minimize any damage from a blowout.
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Old 10-03-2016, 12:51 PM   #5
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I've been thinking of having the wheel wells sprayed with LineX, the material used to protect truck beds. Has anyone heard of that being done?
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Old 10-03-2016, 01:06 PM   #6
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Originally Posted by cfleek View Post
I've been thinking of having the wheel wells sprayed with LineX, the material used to protect truck beds. Has anyone heard of that being done?

I have a spray-in bedliner on my truck. While it is an amazing product, I don't see it providing any protection from these blow-outs. The damage caused by the blow-outs are due to the tire continuing to rotate and the tire shredding to pieces. The force behind those chunks of tire slinging around and hitting the trailer is huge... and fast. A spray-in liner protects the surface from a certain amount of force, however the underlying structure plays a huge role on its survival. If a blow-out is tearing sheet metal away, I don't think a spray product will help.

Best thing you can do is spend some money on a good set of LT tires... and your worries will disappear.
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Old 10-03-2016, 02:30 PM   #7
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27RKSS Quick Fix

We were early into a two month trip when a similar blowout took out the under liner and both water lines. I duct taped the lines and we ran off of the pump, only leaking some when the pump was running until I could get to a hardware store with the correct tubing and couplings to splice in new sections of water lines. This only took about an hour.

Following that, I measured the areas above the wheel wells on both sides. At a Home Depot, I had two pieces of half inch plywood cut and sprayed them with black enamel. I then screwed the wooden panels in place and applied more spray paint.

A quick and inexpensive, on the road fix that came out well enough that I have just left it in place. The plywood is not as strong as steal plate, but as it is screwed on, it is easily replaceable and may be removed if I need access to the area.
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Old 10-03-2016, 02:42 PM   #8
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Looks like maybe the biggest culprit was water damage. That plywood flooring doesn't look that good, and the tire just finished it off.
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Old 10-03-2016, 03:04 PM   #9
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I had a leaf spring break on my 5th wheel, which dropped the door side wheel well a few inches. We were on an interstate and didn't feel anything in the TV. A guy in a pick up passed us blowing his horn and waving, so we pulled onto the shoulder. Tire was shredded by a dangling propane line, which had sheared off. Why FR would place a propane line at the top of a wheel well is a reasonable question. I quickly shut down the propane valves, so we had no fire. Got to a tire shop to replace both tires on that side, then limped to a trailer/RV repair shop where the tubing, spring and shock were replaced and a piece of sheet metal was attached to the top of the wheel well covering the propane line.
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Old 10-03-2016, 06:36 PM   #10
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Tire pressure monitor is what I did. On the way back from wintering in AZ we had 2 blowouts that shreder and caused wheel well damage. I would have had 1 more had the wife not had a weak blater. I f
cought this one before it shreded. I put on the TP sender on and discovered a broken wheel that tore the tire rim seal this time.

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