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i was thanking about glueing some holds on the legs of a overpass by the river on the edge oh town . a lot of guys fish and fire off guns out there so as long as i don't drill a lot of holes in the bridge i don't thank anyone will care. i was thanking of using some epoxy and cutting some rocks with a tile saw so i wont have a lot in it if they chip off.
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I'm not sure about how well they would hold long term so running them up higher to climb on them would scare me? Brad, Chilli, Heath?
As long as you kept them low level, bouldering and/or traversing height to minimize your risk of injury it might be worth a shot to see how it goes.
Mike
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chilli
Technical Climber
Posts 197
Points 197
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we have an outdoor bouldering wall at NCSU that is a long, low traverse of epoxy-stuck pieces of rock, brick, tile, etc. all on a cement wall. i've seen a couple of spots where some of them came off, but overall it holds up well. i agree with mike here: it'll work fine and you'll have fun with it that way, but i certainly wouldn't want to get myself in a situation where epoxy failing would cause injury (because it does fail from time to time).
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i wouldn't cut the rocks witha tile saw though (seems like you'd get a lot of very straight edges). instead just break the rocks with a sledge and let ME borrow the tile saw for a while ;)
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i was jest going to cut the back for a flat glue spot.
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Really pushing those home improvements aren't you Chilli.
Greg, I see what you're talking about now and cutting the backs to get a good gluable area does make sense.
Keep us posted and maybe even get some pictures for us to let us know how it is going.
Mike
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chilli
Technical Climber
Posts 197
Points 197
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 | gregmiles posted the following on Tuesday 1st July 2008 i was jest going to cut the back for a flat glue spot.
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oh yeah that's right. you're absolutely right. i didn't even think about that when i was reading your post. d'oh 
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mike: yeah, tiling kitchen floor is next project. looks like i'll be shelling out some rental cash for a tile saw, unless greg feels like shipping that one out here for a while ;)
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harbor freight
http://www.harborfreight.com/cpi/ctaf/displayitem.taf?Itemnumber=40315
i did 800sq ft with this one.on a 45% angel , all the house but the bed rooms.
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Nice, thanks for sharing; I always seem to forgot about Harbor Freight because I am situated right between a Lowe's and Home Depot but we do have a Harbor Freight here in Nashville as well and the wife has been wanting to tile the kitchen and laundry room.
May be time to go shopping. 
Mike
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After you saw the back of the hold smooth I would cut 1/8th inch grooves across the back to better help the the adhesive do its job. Similar to the back of some tile.
Heath
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i tried epoxy but it did not hold , i will try some tile mastic next
time. i did cut some lines in the back of the rocks, thanks.
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ooooh, sorry pal! i was just about to suggest epoxy, but then i read that it didn't work when you tried it.. i'd do some research, then i'l go back to this thread!
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I've used PC-7 Epoxy it held up for several years on a retaining wall next to the ocean
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OVERHANG CLUB
"STEP OVER THE EDGE INTO ADVENTURE"
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davey569
Cut-loose Expert
Posts 201
Points 202
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i had some glue named Hafix's glue before. bought it from an outdoor show. it holds anything together and it melts metals together kind of like a weld. this stuff would work but it is verry expensive.
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