Fasteners/Square Foot Calculator
Unsure of how many fasteners to buy? Use our easy calculator to determine how many EB TY hidden deck fasteners you need.


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Installing the First Board
- Apply a bead of exterior construction adhesive to each joist, approximately 3/8" in width.
- Fasten one side of the first deck board using screws and plugs.
- Use a 1/8" drill bit with a 3/8" countersink.
- Drive in a #7 X 2-1/4" stainless trim-head screw at each joist of the first deck board.
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- Carefully remove any part of the wood plug that protrudes, using a small saw or belt sander.
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- Cut a slot (or kerf) in deck board at each joist and deck board intersection using a 1/8" router bit or plate joiner (biscuit cutter #20).

Note: Adjust router or plate joiner (biscuit cutter) height so that the bottom edge of the EB-TY fastener is flush with the bottom of the deck board.

Note: If using pre-grooved decking no slot or (kerf) cut is necessary.
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- Place EB
TY fasteners in the slots at each joist.
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Don't over tighten screws, just tighten snug to the EB TY fasteners.

Note: Drill an angled 1/8" pilot hole for each screw when installing hardwood decking to avoid splintering and to ensure that the decking is pulled tight to the joist.
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Installing Additional Deck Boards
- Apply a bead of exterior construction adhesive to each joist, approximately 3/8" in width.
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- Cut a slot at each intersection with joist on each side of the next board. Do this in a production-like manner to maximize your efficiency and save time.
- Place the board so the slot slips over the exposed EB
TY fasteners. The fasteners will maintain uniform spacing between the deck boards.
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| Use a BoWrench® or a clamp to straighten boards if necessary. |  |
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- Place EB
TY fasteners in the slot at each joist. - Install one #7 X 2-1/4" stainless trim-head screw in each fastener at a 45° angle.
- Tighten snug to the EB
TY fasteners.
- Repeat the above process until all decking are fastened with the exception of the final (outside) board.
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Installing the Final Outside Board
- Cut slots or kerfs only on the inside of the final board.
- Place the board so the slots slip over the exposed EB
TY fasteners.
- Fasten using screws and plugs, following the same procedure as with the first board.
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