Trillium Belly Band Repair - Fiberglass RV
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Old 09-09-2021, 11:55 AM   #1
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Larry C Hanson's Avatar
Trailer: 78 Trillium 13 ft / 2003 F150
Posts: 406
Trillium Belly Band Repair


After only 42 years in AZ the Trill 1300's belly band started falling off.
So the rest of the rivets were drilled out to completely remove the band.
Filling, sanding, and painting were considered as a repair method.
Since the main effort was to keep the Trill as stock looking as possible
gluing the old band back on was chosen. On the internet some fancy silicone
adhesive was purchased sent from England. Number 4 sheet metal screws,
number 6 screws, and small washers were used to hold the band on while the
silicone cured. The top half of the band was filled down over the rivet holes
with the silicone before screwing the band on. The bottom was left open to
drain any water that might get in. Of course, after scuffing and cleaning the
fiberglass where the adhesive would contact, the band and trailer body were
masked off to protect them from all the silicone ooze out. For the finishing
touch new belly band trim plastic was installed. The result is quite pleasing..

Hmmm... Next project? Perhaps the sagging door?

Uncle Larry

p.s.: Special thanks to member David Tilson for supplying a missing trim piece!
Attached Thumbnails
Belly Band Removed  Rivets.jpg   A Screw Into Rivet Remnant.jpg  

Butt Joint S.jpg   Trillium Belly Band Looooking Good S.jpg  

Adhesive England S.jpg  
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Old 09-09-2021, 02:25 PM   #2
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David Tilston's Avatar
Name: Dave W
Trailer: Trillium 4500 - 1976, 1978 (2), 1300 - 1977, 1973, and a 1972
Posts: 6,397
That looks good! I am glad to help. Especially since I would have thrown them away in the end.
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