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What's roof decking? The roof deck is the element of the roof onto which everything else is placed. As such it needs to be strong enough to keep the weight and durable enough to cope with some give. Depending on the type of roof you are having installed you will have to determine on the type of roof decking you use and the roofing contractor you propose to use will manage to help you make the very best decision on this. There are, however, basically two different kinds of wooden roof decking. There is plywood roof decking or tongue and groove roof decking.  [http://www.paddyodeck.com/deck-design-ideas-custom-decks-nassau-county small blue arrow]   [http://www.paddyodeck.com/deck-design-ideas-custom-decks-nassau-county buy here]  Choosing the right for decking for the task. As stated the kind of roof decking you need is likely to be determined by the roof you intend to place over it. As a broad rule, though, as it consists of solid pieces of wood with very little room for air to go in or out of the basement plywood roof decking is much more rigid but doesn't permit very much in the way of roof ventilation. If you intend to use plywood roof decking you will have to find a method to make sure that you are getting sufficient roof ventilation or you must change the type of roof decking you intend to use because good roof ventilation is absolutely important to the integrity of the total of the roof and, thus, the rest of your house. The forms of roof decking easily available. Tongue and groove decking is often made from tougher wood than plywood and does permit good ventilation systems provided that it's installed by someone who knows what they're doing. Tongue and groove top decking ought to be installed carefully and correctly to ensure that it is strong enough to take the weight required once the work is done. Again, the only method to ensure this happens is to use a qualified professional.  [http://www.youtube.com/watch?v=s8xXwjf9SjU save on]  Seeking help selecting the roof decking. The roof decking you choose can have a powerful influence on a number of further decisions you'll need to create regarding your roof, and you will particularly need to take into account the effect it'll have on your proposed approach to roof ventilation. Effective roof ventilation requires an intake or air into the attic and the expulsion of air from your attic so by picking stable roof decking you're basically making this job a bit harder. Talk to your roofing contractor and ask his or her advice to be sure that you are making an educated decision that won't make things more difficult in the foreseeable future.