Published at Thursday, July 05th 2018, 08:54:57 AM by Marie Sankt Sankt. Stair
Building stairs is one of the most challenging, time consuming building projects for most builders. Not all stair construction methods are equal. Some are much more user friendly and cost effective than others. Of course, in this economy, you need to save every penny on your deck stairs, basement stairs, or interior stairs. It’s interesting that many people with minimal experience are willing to tackle a simple deck project for the first time, but hit a brick wall when it comes to building stairs. It just seems complicated and out of reach for people with little or no experience. The good news is "you can build that stair".
Over the past several years, much has been done to address deck and stair safety issues, but we still have a long way to go. One glaring example of the failure in deck and stair safety protocol is the industry standard of permitting "hot dipped galvanized" anchors, screws, hangers and other hardware to be in direct contact with ACQ, pressure treated wood. The galvanic corrosion created between the high copper content of the wood and the galvanizing is so severe that the normal industry standard of G90 galvanizing will corrode in as little as 12 months and G185, such as Z-Max® can be gone in 24 months. The industry (including code officials) has adopted G185 as a fall back position with no engineering testing available to substantiate the validity or longevity of this adoption...this is a "knee jerk" reaction and is an accident waiting to happen. Without a barrier between the pressure treated wood and galvanized hardware, serious corrosion is inevitable.
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