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Old 10-18-11, 09:47 PM   #30
madmike
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Quote:
Originally Posted by cdig View Post
Picked up my acrylic today! Got to thinking tho, how did you deal with thermal expansion/contraction of the glazing? has it pulled away from your sealing at all? did you just drill holes through it and screw it on? Seems to be what everyone else is doing, but nobody seems to have any problems with this approach?
I just used silicone and then I used 4 inch aluminum facia on the sides to help hold the glazing in place. The top and bottom I used aluminum drip edge to hold glazing tight on the ends. I cut the drip edge every 2 inches so it would follow the curve nicely.

If I were to redo the glazing I would try to find 1/8 x 3/4 inch butyl tape, ift would probably work better with the expansion and contraction of the glazing. I would also just make a straight box, (no curve on the front) the you can finish the box on all sides with the aluminum faciato make a nice professional looking panel.
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