Published at Thursday, July 05th 2018, 03:47:45 AM by Marie Sankt Sankt. Stair
Take for example the new NADRA (North American Deck and Railing Association) study that examined the number of injuries caused by outdoor deck stairs and porches from 2003 to 2007. The report confirms that deck and stair injuries are on the increase. NADRA points to a 2003 study showing a total of 37,760 injuries which required a visit to the hospital. Of these injuries, 6,120 were a result of structural failure or collapse. Further, the report shows that by 2007, the incidents of serious injury had risen to 55,160. Quoting from the report- "Nearly 15% of all injuries are a result of structural failure". Wood decks are constantly exposed to the elements and they have a limited life span of 10-15 years. As you can see, important to have your deck and deck stairs inspected so that signs of wood decay and deterioration can be repaired.
Why are stairs considered to be so difficult? Stairs must be built according to specific building codes and they require a high degree of accuracy to work correctly. With traditional stair construction, every cut is final and you better know what you’re doing or you get to start over again. Multiple stringers are required with literally dozens of precise, free hand cuts required to form the stair. Each stringer must then be attached in perfect alignment for the rise and treads to be secured accurately. This is a very cumbersome process, requiring a great degree of skill and patience.
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