Opinions on Rock Guard panel material? - Fiberglass RV


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Old 05-08-2016, 01:30 PM   #1
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Opinions on Rock Guard panel material?

Folks,

I have disassembled and removed lots of caulk from my Trillium rock guard. Plan to finish cleaning and polishing the frame. The panels need to be replaced. I am considering expanded PVC sheets (Celtec brand). Any thoughts / opinions on this or other options?

Thanks,
John in Michigan
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Old 05-08-2016, 03:23 PM   #2
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I've got the flat rather than stepped rock guard. I was going to apply grizzly grip to the lower front section of my trailer to cover the existing chips and provide further protection. Thought I just might try it on the rock guard too.
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Old 05-08-2016, 06:30 PM   #3
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I applied Grizzly Grip about 5 years ago to the lower front part of our Trillium....probably the best mod we've done! It has been excellent at protecting the fiberglass there so I can only imagine that it'd do an equally impressive job on your panel.

Good luck!!
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Old 05-08-2016, 07:22 PM   #4
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Folks,

Thanks for your input. The original panels are gone. Whats there now are badly painted acrylic panels, so I want to replace them. I am thinking of using either expanded PVC sheets (e.g., Celtec) or acrylic sheets. Would like to hear what others have used as replacement panels.

Thanks, John in Michigan
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Old 05-08-2016, 08:36 PM   #5
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An interesting option to check for would be Coroplast corrugated plastic. Not very expansive, stiff enough to resist rock impacts, UV resistant, very light, and the best thing it is available in a wide range of color, including Ivory. Now I haven't seen how well the ivory panel would match my trailer, but I was thinking of going to my local reseller and ask for a sample.

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Old 05-08-2016, 09:03 PM   #6
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If you are talking about the frame that folds down to cover you hitch side window...we used that corrugated acrylic that you find at Home Depot. The nasty stuff we took out of the frame was some kind of corrugated fiberglass mat stuff (very brittle) but the acrylic was less than $20 Cdn and we got an eight foot length and cut it in half. Now we have an extra piece if this gets too beat up.


We got the clear so it still lets in light when folded down but it comes in a smoke or green and I think white. It's the stuff they use on covered verandas or carports or even homebuilt green houses. Had to heat a knife to cut it though otherwise it can crack. Certainly better than we had. We also got these tiny clamps to hold the frame in position because our wing nuts on the sides were stripped. All in all we are happy with it.
good luck.
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Old 05-09-2016, 10:39 AM   #7
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Hi John, here is the link to my thread on redoing the rock guard last year. Hope it is of some help. We bought the material from a plastic shop. It is not as thick as the frame, but it stays put just fine.

Trilliuim Rockguard
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Old 05-09-2016, 11:46 AM   #8
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Folks,

Thanks for the ideas!! I will look into these products.

John in Michigan
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Old 05-09-2016, 01:16 PM   #9
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I used to replace original plexiglass panels.

Inside we had replaced the long bench shaped chest by a small very useful table for lunch with stops in travel ...
Attached Thumbnails
After.jpg   2015-06-06 11.04.16.jpg  

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Old 05-29-2016, 01:12 AM   #10
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On the newer airstream trailers they just use polycarbonate sheet for the window rock guards. Not difficult to find and certainly easy to replace when if gets too chipped up. You can get it clear or tinted with grey so that when tilted up it allows light but also creates glare reduction. Or you can get it in solid colors too.
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Old 05-29-2016, 08:24 AM   #11
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PROGRESS

Folks,

Thanks for your feedback!

I've ordered Celtec expanded pvc sheets. Advantages are that its closed cell (won't trap dirt, mold, etc), won't chip when cutting with a circular saw blade, and cheap.

I have disassembled the frame and am finishing up the cleaning, sanding and polishing. I used rolled up alcohol-soaked paper towels to dissolve the caulk in the c-channels.

I'll post pics when its done!

Thanks,
John
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Old 05-29-2016, 08:27 AM   #12
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Quote:
Originally Posted by Gilles View Post
I used to replace original plexiglass panels.

Inside we had replaced the long bench shaped chest by a small very useful table for lunch with stops in travel ...
Gilles, I really like your table!
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