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Fasteners for Treated Wood
3

Fasteners for Treated Wood

Fasteners for Treated Wood

(OP)
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?

RE: Fasteners for Treated Wood

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

RE: Fasteners for Treated Wood

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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