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Mantis Concealed Deck Fasteners

Mantis® Clips are the newest generation of concealed deck fasteners that provide superior holding power, are the easiest concealed deck fastener to install in grooved decking and carry an unmatched 30 year warranty against loose deck boards.

The key ingredients to Mantis® success are:
  • The best performing clips on the market - Mantis® clips have been extensively tested and offer superior lateral movement strength and uplift when compared to other grooved decking hidden fasteners on the market. When comparing Mantis® to the Tiger Claw and Conceal‐Loc in independent laboratory testing, the Mantis® tested at 391 foot pounds to the first movement versus the competitor’s fastener that averaged 274 foot pounds. These tests prove that Mantis® can deliver 42.7% greater lateral movement resistance. In regions with wide daily temperature swings this extra holding power keeps decks from “walking” and loosening. This keeps the connection of the fastener to the deck board stronger and longer lasting.
  • Ease of installation – Our revolutionary Eliminator RCS pneumatic installation tool can help you install the fasteners up to 80% quicker than conventional methods while providing the same holding power as our standard hand drive screws. The EZ‐Slide attachment makes it quick and easy to install Mantis® clips in just about any environment. Simply drop the Mantis® clip into the slide attachment, push forward to engage the Mantis® tab into the groove and pull the trigger.
  • Custom fit / Selection – Almost all other hidden deck clips on the market are made to fit most grooved deck boards in a “generic” fashion. These clips use a screw to hold a clip to the board. Over time and with natural expansion and contraction of the deck boards, the screws and clips loosen since the “generic” clips are not a perfect fit. This can put your deck’s safety, strength and structural integrity in jeopardy. Mantis® clips are custom made to precisely fit the groove in the deck board to achieve optimum fit and holding power. We currently have five sizes of Mantis® clips that fit 90+% of the composite deck boards on the market. Our newest profile design is the Mantis® 320 that fits most grooved 3/4'” hardwood decking as well as Modernview Decking sold through LMC (Lumberman’s Merchandizing Corporation). Our 345 Mantis® clips works well with boards like Premium Composites and Stylecrest. Our 385 Mantis® clips are made to fit Fiberon, Latitudes, Wolf Deck, Green Bay Optima and others. Our most popular 396 version is made for MoistureShield, ChoiceDek, Gossen, Deceunick and Royal. Last but not least is our custom TRX that is made exclusively for TREX.
  • Most complete product offering in the market – Mantis® clips were originally designed to include start and finish clips with every 50 square foot box. We were the first company to offer a solution that made screwing down that first or last deck board a thing of the past. We are also the ONLY company to offer a Transition clip which was developed by listening to deck builders describe their need for a clip that would transition from a grooved edge board to a solid edge board for picture framing and detail work. We listened and we started producing this clip in late 2013.