If some of the joists are installed with the crowns up and some of the joists installed with the crowns down, then one joist will be higher than the other and create a wavy look when the decking is installed. Trex Enhance Basics 1-in x 6-in x 16-ft Clam Shell Grooved Composite Deck Board 32. The joist, in that case, would dip down in the decking. If the crown is installed down, then the joist could settle and would not be flat. The crowns of the joist should be installed up.Īll the joists need to be installed with the crowns up so that if the crown settles the joist will be flat. Trex’s Transcend decking’s deep wood-grain pattern and luxury colors create a top-quality, ageless look giving their decking unparalleled beauty. The actual thickness may be - 1 net by a net. It is necessary to review the joists and determine where the crown is located - this is called crowning the joist and is important to do before installing the joists. Color-Matched Plug Fasteners For Square Edge Deck Boards. Deck boards are commonly referred to by their nominal thickness and width, such as the most common size, 1圆. Thicker deck boards, like TimberTech AZEK MAX boards (1.5 thick) can give you a sturdier underfoot feel. It typically shows up on only one side of the joist. Thicker boards are often called a 2 x 6 when referring to traditional lumber, which means the actual thickness is somewhere between 1.2 and 1.5. The crown of a joist is a natural bow to the wood. The joist material will have a crown in it. Always make sure that you have a first aid kit nearby. For any home project, be certain to follow local code and permitting requirements. 2x4 and 2圆 are thicker and stronger, but they also tend to be more expensive than a 5/4 board of the same width. 5/4 x 4 and 5/4 x 6 is produced specifically for decking and can be found milled with a radius or bullnose edge. Eye protection, ear protection, gloves, long pants, a long-sleeved shirt, and reinforced toe shoes are recommended. Wood decking is commonly available in 2圆, 2x4, 5/4 x 6, and 5/4 x 4 profiles. So you're ready to get started? Watch our how-to tutorial before you start your build.īefore you begin any DIY project, make sure to wear the appropriate personal safety equipment.
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