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#39589 06/26/04 10:46 AM
Joined: Feb 2004
Posts: 74
C
CRM Offline OP
Member
I have a question on securing conduit to metal Q decking used in commercial buildings. I usually use self tapping sheet metal screws. The last job we were on concrete was poured on top of the Q decking. What type of screw do you use that first has to go through metal then through concrete. Thanks for any help.

#39590 06/26/04 11:24 AM
Joined: Jun 2003
Posts: 1,143
D
Member
I've been a pretty big fan of the Tapcon system

[url to follow]

It's easy, quick, and the carbide tip should be able to punch through the decking to anchor in the 'crete above.

#39591 06/26/04 11:38 AM
Joined: Jun 2003
Posts: 1,143
D
Member
I've been a pretty big fan of the Tapcon system
http://www.itwbuildex.com/tapcon.htm

It's easy, quick, and the carbide tip should be able to punch through the decking to anchor in the 'crete above.

#39592 06/26/04 11:47 AM
Joined: Feb 2004
Posts: 74
C
CRM Offline OP
Member
Thanks Doug for the help, that looks like the masonary screws I'm going to buy.

#39593 06/28/04 07:06 PM
Joined: Oct 2003
Posts: 259
J
Member
I use a Hilti and just drill thru the decking then use the proper anchor for the job, plastic or steel a drop in

#39594 06/29/04 12:02 PM
Joined: Oct 2003
Posts: 172
G
Member
I bang the corner of the flute with a hammer
which loosens up the concrete an a sef tapping screw will go right in.


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