![]() In most situations, these venerable old standbys come in a variety of solid colors to assist match the head of the screw with the deck surface around, which helps to disguise the fasteners. Traditional composite and real wood decking fasteners have been deck screws for many years. While the hidden fasteners are perfect for a deck surface that has already been built, they might not be the best choice for stairs, boards, or picture frames with a radius curve. ![]() The main deck boards have a nominal width of 6″ wider.There is inadequate ventilation or poor drainage in the area beneath the deck.Lesser than 12″ of the deck are above grade.Cons of Using Trex Hidden Fastenersįor the installation circumstances below, hidden fasteners don’t stand as the best option. Plug systems wouldn’t cover the joist, in contrast, to clip systems. ![]() In plug systems, the screws are inserted with a good counter sink to make it possible to insert a tiny plug and fill up the hole with the main deck surface. The clips from MoistureShield conceal the joist, unlike some other clip systems on the market. Some installers and homeowners favor clip systems because they often hide the joist to build color continuity throughout the main deck surface. The spacing needed for air and water movement (3/16″ to 1/4″) is determined by the thickness of the clip. To preserve the deck’s surface, screws are installed between these boards.Īs each fastener is set, the gap installation found between these boards aids the installer in maintaining a uniform gap throughout the whole deck. Instead of inserting screws via the peak of each board, the clips are used in clip systems and are placed on the edges between boards. Source: Pros of Trex Hidden Fasteners Systems Clip
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