Using Steel To Support Long Span Decks
Parking was so tight in this yard that the only solution was to use steel supports The posts are 6x6 rectangular tubing and the main beams are 10 inch I-beam that weight about 800 lbs each. This was installed without a crane.
I used all my friends to carry the beam to the spot next to the posts. Using a simple chain hoist, I slowly raised beam to and clamped it to the post. The final move was done with a lever to move the beams in place. The assembly was then welded together to get extra ...
How To Use Pressure Treated Wood
Lumber produced before January 2004 used Chromated Copper Arsenate (CCA) as the main preservative. Prior to 2004, the US was consuming over 40 million pounds of arsenic per year with most of this going into pressure treated wood. Both the chrome and the arsenic in this compound were found to have health risks so Environmental Protection Agency (EPA) forced manufacturer to find another safer solution.
Two new solutions are Alkaline Copper Quat (ACQ types B and D) and Copper Azole (CDA-A, ...
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