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Old 06-14-2014, 10:14 PM   #1
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36QBOK-7 Bunkhouse TV Mount

I bought a swing arm mount and a 28" Samsung LCD TV to mount in the bunkhouse for the kids to watch TV and play the Wii when the weather is bad. It has a backerboard. From what I have read by searching this forum is that the backerboard is made of metal so I will need to use sheet metal screws. My mount has placement for two lag screws which are 1/4" diameter and 2 1/2" long. How long of a sheet metal screw should I use? 2 1/2" would probably cut it close going through the back of the fifth wheel. The mount weighs 10 lbs. and the TV weighs 10 lbs.

Thanks in advance.
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Old 06-15-2014, 12:39 AM   #2
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They used 1" to 1,:1/4" screws on mine and there was a high spot "titty" on my rear wall. I backed the screw up and put some washers on it, cause I didnt want it ( screw tip) to break thru the gel coat.
I see no reason to have over half an inch - 3/4" of screw going into the wall.
And dont use a self taper screw, drill it with something limiting the depth. After going thru the backer, reference that to a screw. U dont need more than a thread past the tip of the screw on the other side of the backer.
I'm afraid if you use a 2.5" lag, more than half will be sticking threw the wall.
Good luck!!

Millertime- Sabre Handler
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Old 06-15-2014, 01:39 AM   #3
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Quote:
Originally Posted by MillerTime View Post
They used 1" to 1,:1/4" screws on mine and there was a high spot "titty" on my rear wall. I backed the screw up and put some washers on it, cause I didnt want it ( screw tip) to break thru the gel coat.
I see no reason to have over half an inch - 3/4" of screw going into the wall.
And dont use a self taper screw, drill it with something limiting the depth. After going thru the backer, reference that to a screw. U dont need more than a thread past the tip of the screw on the other side of the backer.
I'm afraid if you use a 2.5" lag, more than half will be sticking threw the wall.
Good luck!!

Millertime- Sabre Handler
LOL. I think I will pick up some Phillips head sheet metal screws. #14 3/4" screws should work well with my mount. I just drilled some extra holes so I can anchor the mount with 6 screws instead of 2. I think this should be able to hold 20lbs.
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