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Old 02-12-2011, 09:56 AM   #1
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tack strips to concrete

My mother's kitchen (on concrete slab) was tiled.
Now, carpet in adjoining rooms need to be transitioned.
Should a wood tackless strip with concrete nails be used or a metal z-strip?
How to anchor to the concrete? Use liquid nails, polyurethane, contact cement or mechanical fasteners, eg, plastic anchors and screws?
I'm a bit concerned about nailing so close to tile (might miss and chip/crack flooring).
I've searched web and am getting conflicting opinions on best method.


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Old 02-12-2011, 11:01 AM   #2
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iam a flooring contractor by trade, and either method will work. technically a z-bar is the standard by the book, but tackstrips will work fine. i have done both for years. the z-bar needs to be fastened to concrete. predrill holes with 1/8" masonry bit and hammer (percussion) drill. drill about 3/4" down into concrete. mark on drill bit with tape for depth guage. nails should be 3/4" fluted masonry. may have to go to local hardware store. can never find at box stores. hammer in nails. if using tackstrips, leave about 1/4- 3/8" gap from edge of tile. Distance will vary depending on carpet thickness. tape tile edges with 3-4 layers of duct tape so you dont nick edges. place tackstrip in place and predrill as above. use same nails and a firm grip on hammmer. go slow. make good contact. nail heads should be flush with tackstrip edge. ALSO, there is a tackstrip adhesive you can buy from a flooring supply distributor. comes in a tube. squeeze adhesive onto floor like liquid nails. activate by misting water onto adhesive. place tackstrip firmly into adhesive. let dry 2 hours. stretch and tuck carpet.


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Old 02-12-2011, 02:58 PM   #3
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We have all used tack strip or z-bar, but technically according to CRI standards, you are supposed to use trac-metal. The only problem is trac-metal looks awful. So I agree, I would use z-bar or tack strip, with the understanding that the carpet will wear out sooner where it sits right on the strip and gets walked on.
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