Installation Guide

Page 10
Cortex
®
Hidden Fastening System
1
• Using Setting Tool provided, drive
screw at medium or high speed until
it disengages at the proper level
below the deck surface.
• Drive at one continuous speed,
do not slow down.
DRIVE SCREW
Suggested Drills
2
• Install two screws into decking at
each joist.
• Maximum spacing between each row
of screws should be 16” on center.
INSTALL DECK SCREWS INTO JOISTS
3
• Place plug into cored hole and
gently tap flush with deck surface.
INSTALL PLUG
Corded or cordless (18V battery) drill with 1/2” chuck.
Cortex® Hidden Fastening System Installation Instructions
Impact Drivers are not recommended when using
TimberTech Cortex.