Most composite and pvc decking brands like trex and azek recommend a minimum joist spacing of 16 inches oc.
Azek decking spacing.
Welcome to the azek company we are the industry leading manufacturer of beautiful low maintenance building products and we are committed to accelerating the use of recycled materials.
Joist spacing should never exceed 16 on center.
I consistently hear to use 1 8 spacing to 1 4.
See all our timbertech decking and porch products.
Timbertech azek deck boards available with square edges or grooved edges and are available in 12 16 or 20 lengths.
Install solid wood blocking between each joist placed in rows at maximum every 4 6 within the structure using exterior grade screws.
Timbertech azek porch boards are secured by a tongue and groove installation.
Maximum spacing between each row of screws should be 16 on center.
If adding additional framing be sure to keep all boards level and in plane across the tops.
Home decking timbertech azek vintage collection vintage collection truly the best of the best in decking these capped polymer boards feature sophisticated natural looking colors with a subtle wire brushed low gloss finish for an authentic wood look.
For timbertech azek decking it s recommended to have a minimum 1 8 to 1 4 side to side gap between deck boards.
So when would you ever need to use 12 inches oc.
Working with azek pvc decking capped 3 sides.
It s been 80 90 degrees and this deck gets decent sun.
They are available in 10 12 and 16 lengths.
Azek pvc decking offers the best treated stain resistant decks engineered with porcell technology which means no wood filters no stains or scratches easy to clean and last for a lifetime.
Proper joist spacing is required for proper installation.
For a more rigid feel 12 or less may be preferred.
Browse azek s decking collections.
Install two screws into decking at each joist.
Place plug into cored hole and gently tap flush with deck surface.
Reference page 5 for proper fastener placement.
Deck joist spacing should never exceed 16 on center with the exception of max deck boards which allow for maximum 24 on center.
Some brands like weardeck let you get away with more reinforced with a layer of fiberglass on both the top and bottom weardeck boards easily allow for spans of 24 inches oc.
Boards are outside ready to go.