When it comes to designing and building certain structures as additions to your home, you need to make sure that you use the best materials for the job. If you have made the decision to use materials that are able to withstand extreme temperatures and weights, then you need to also make sure you use the right composite deck fasteners as well. You may think that you can get away with using equipment and screws that are not made of the same material as your decks. You may be able to get away with cheating for a short time, but you are putting everyone's safety at risk.
If you are not someone who is very experienced when it comes to building projects, it is strongly recommended that you leave the construction of any home additions to a licensed professional contractor. Not only do they have the skill and expertise to ensure that everything is built right, they can also make sure that only the best materials are used for enhanced stability and safety for all. It is very easy to mess up if you attempt to do things yourself.