Joist Spacing and Blocking 101

Joist Spacing and Blocking
Quick Reference Guide
TimberTech.com | 14Questions: 1.877.275.2935
Complete your final framing
checks.
Double check that all
blocking and joists are even
and in plane across the
tops.
Re-consult the TimberTech/AZEK deck manufacturer’s
installation guide to ensure proper joist spacing and
blocking requirements are met
Stop!! Always make sure your joist, blocking and any added framing are even
and in plane with each other .
STOP
Required Blocking
STEP THREE
Decking Installation & Maintenance Guide
TimberTech AZEK
®
Decking
Installation Guidelines .................................................................................................. 2
Tools Required ............................................................................................................... 2
Installation Preparation ................................................................................................ 4
Working with TimberTech AZEK Deck Boards ............................................................... 4
Cortex
®
Hidden Fasteners ............................................................................................. 7
CONCEALoc
®
Hidden Fasteners ....................................................................................9
Stair Code Compliance ................................................................................................ 13
Trimming an TimberTech AZEK Deck ......................................................................... 14
Care and Cleaning ....................................................................................................... 15
decking | railing | lighting | fastening TimberTech.com