Subscribe to Fine Homebuilding magazine now and save up to 52%
If the deck is from 2004-on and using the updated ACQ pressure treated wood, you should include a statement regarding the use of proper fasteners - which the rusted nails apparently is the dead give-away. Every time they report of deck failing in the DC Metro area, I check the property for possible date when built. 2 out of 3 noted 2004 or later.
© 2016 The Taunton Press, Inc. All rights reserved.
Become a member and get instant access to thousands of videos, how-tos, tool reviews, and design features.