Fasteners for Treated Wood 3

[jike]

I understand that the treated wood in our area is treated now with either (Alkaline Copper Quat) ACQ-C and ACQ-D, or(Copper Azole)CBA-A and CA-B. What type of nails, screws and bolts should we be using?

 

[boo1]

With the new pressure treated products on the market ensure the approprate connector in contact with PT are used.

See:

http://www.strongtie.com/ftp/bulletins/T-PTWOOD04.pdf

http://www.taunton.com/finehomebuilding/pages/h00127.asp

jheidt2543 indicated to check:
The February 9, 2004 ENR magazine has an article on page 17, "Industry Sounds Warnings Over Corrosive Effect on Steel".

 

[boo1]

I found this new product in a mag, the concept sound logical but hard to ensure 100% compiance.

YorkWrap™ Non-adhesive Polymeric Isolation Tape* is a flexible, 20 ml. thick PVC membrane designed to isolate ACQ pressure treated lumber from galvanized metals.

see at:

http://www.designapps.net/accounts/york/templates/Residential.asp?LinkId=154

 

[EdStainless]

Some fasteners are marked 'double galv', these are usually 120 or better (1.2oz/sqft). You need this or higher for the ACQ or CA materials.
It is very important to prevent standing water. There are a number of fastner systems that don't go through the deck boards, but grip from the sides. These should have an advantage.
Check out

http://www.wolmanizedwood.com/fasteners.shtml

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Corrosion, every where, all the time.
Manage it or it will manage you.

http://www.trent-tube.com/contact/Tech_Assist.cfm