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Expert: - 8/19/2008


Question
How dry must concrete be in order to receive ramset/hilti pins for attaching 2" and 4" steel studs to hold drywall - these are non-load bearing walls, interior w/drywall and the condo is in a high-rise above grade, in case those details matter. Using Ardex K500 to level a floor. Asked ardex and they were not very helpful.

Answer
Patrick, go for it.  As soon as the Ardex is dry to the touch you are ready to go.  If you are even a little uncomfortable, you can use a 1/4 concrete bit and drill the plate with a hammer drill and use Powers or similar "nailin" anchors.  Here is a picture at the bottom of the page:
http://www.powers.com/mechanical.html  

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Dan Griffin

Expertise

I can answer almost all questions related to the total construction process. My expertise is in commercial construction, though I can field most any residential question. I have hands on experience in concrete, heavy equipment, masonry, all phases of carpentry, interior finishes, and I am fairly strong in mechanical and electrical.

Experience

I have over 20 years experience as a commercial carpenter and commercial construction superintendent. I have another 20 years experience in facility management for a major school district.

Organizations
My favorite hobby for he past 12 years has been singing bass in a The OkChorale men's barbershop chorus and the Mature Moments quartet.

Education/Credentials
I hold a Bachelor's degree in English and Math. I have completed many continuing education hours in the building trades. I hold a Master Carpenter card from the AGC, Associated General Contractors.

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