Usually Craft-Bilt Aluminum Decking is installed over a walk-out basement or similar situation where its not a big issue if a bit of water passes under the railing posts. But when the space underneath is enclosed and needs to be water proof you need to take steps to ensure water does not get by the posts.
Our aluminum decking material has hidden gully which allows the water to run out from end of deck. Watch the video for tips and tricks to make your deck waterproof.
Post time: Jun-12-2017