Hardibacker screws
I've used 1/4 hardibacker several times without a problem. I'm redoing soem bathroom tile and this time I bought 1 1/4 Backer -On screws from an orange big box. In the past I think the ones I bought were in a purple box, these are in a green box. These screws are kicking my butt. I can't get them below flush unless I predrill the countersink (a PITA). I'm using a 14v driver (the same one I've used on other jobs), and a new square drive bit. I've never had this problem. Is there that much differnece between brands of CBU screws? Any screw recommendations that won't require predrilled countersinks? Don't slow up as you drive them. I know what you are doing. One of my helpers does the same thing. Drive at full speed. Don't worry, you won't go through the Hardi. Flush is really the best position for the screw. Remember, you are putting thinset over it, so there is forgiveness. Nope, that's not what's happening. The screw (not the drill) stalls out with the screw head just a bit above the surface. The bit skips even when I'm putting weight and two hands behind the drill. I tried a faster speed thinking the bit would be less likely to skip with less torque. The same result except the driver clutch slips. I'm off to the blue box for a different brand. Wayne Try backing the screws out about a 1/4 and then redriving them. Had same issue, trying to get the screw head level, or below the surface was a major pain in the backside, bout the time I had gone thru a box of bits and stripped the heads off several screws I ended up counter sinking using a large drill bit slightly larger than the head, found a counter sink bit did not work as well, the hardi board dulls them faster than it takes to cook a 3 minute egg; also, took much longer. Sounds labor intensive but surprising it went fast and less stressfull. 18v Impact driver makes small work of it. Never had the problem with square drive hardi backer screws. Sorry, the problem I experienced was with 1/2 hardi board, Installed 1/4 hardi for fireplace hearth and used 19.2 V cordless w/ minimal problems. I just got back from Lowes with another box of the overpriced green brand and I'm having the same problem. The store carries 2 types made by the same company. One is green, square drive and marked as specifically designed for Hardibacker. The other is purple, phillips drive and marked for Wonderboard and Durock. I've used my 14.4V drill before with 1/4 Hardi and I didn't have any issues driving the screws. The drill doesn't stall, it just torques the bit out of the screw. However, it might be related to drill speed. If I increase the driver speed I can't get enough torque. A 3/8 masonry bit makes a fine countersink. Wayne, you shouldn't be having that problem....you are using a #2 square drive bit, and not a #1? Even my bit overriding helper doesn't spin out of these. Try an electric drill. It may be your 14.4's muscle is terminally tired. Chandler - I'm using the bit supplied with the screws and the problem ain't a tired drill. I have a sore wrist from the drill torgueing out of the screw. Like I said, I[ve done this job before with Hardibacker and this particular driver and not had a problem. it's gotta' be something else going on but I don't have a clue about what. Anyway, the CBU is screwed down with a couple of million screws and tomorrow I'll put down the tile. Following up on one of the earlier comments - is there really any difference between the green and purple screws (other than the drive?) Or is it just marketing? I have hardibacker up on the walls, put up with the green screws; going to lay durock on the floor, have plenty of the green screws left, and would rather use those rather than open a new box of the official durock screws. Any difference? Thanks Welcome to the forums! Different manufacturers, different tips. Hardi says use their screws on their product, Durock says use their screws on their product. It is totally proprietary. I just don't like the phillips slots. If they came in torx, I'd use that, but they don't.
Related Posts:
Hanging new drywall nails vs screws
Hanging new drywall - nails vs. screwsIn a new construction, if you were to hang 5/8 drywall what would you choose? Nails or screws to hang the drywall? Most crews will bang a few nails in each sh...
How to waterproof hardibacker board for a tile shower
waterproof hardibacker board for a tile showerI am remodeling an outdated walkin shower. I have the demo done down to the studs, and have had a contractor install a fiberglass waterproof sloped fl...
Fasteners for pressure treated lumber
Fasteners for Pressure Treated LumberI'm planning a new deck, and trying to select hardware. I'm using pressure treated lumber and have been told that with the new PT products, using galvanized de...
Homelite mighty lite 26ss wont stay running
Homelite mighty lite 26ss wont stay runningI have a homelite mighty lite 26 cs weedwacker. It will start up fine. I use the choke and once warm I turn that off, but once I touch the throttle it di...
Help us remove an arrow deadbolt
Help us remove an Arrow deadboltMy daughter just bought a house. We are replacing locks. There is one Arrow deadbolt, double key, that we cannot remove. I've seen other posts elsewhere about a sma...
