Joist Spacing and Blocking 101

Joist Spacing and Blocking
Quick Reference Guide
TimberTech.com | 1Questions: 1.877.275.2935
Use this guide in
conjunction with the
proper TimberTech
installation manual.
Watch online at
https://www.
timbertech.com/
resources/deck-
building/deck-joist-
spacing/
DISCLAIMER
TimberTech AZEK
®
Decking & Rim Joist Covers should be installed using the same good
building principals used to install wood or composite decking and in accordance with
the local building codes and the Installation Guidelines included below. AZEK
®
Building
Products accepts no liability or responsibility for the improper installation of this
product. TimberTech AZEK Decking & Rim Joist Covers may not be suitable for every
application and it is the sole responsibility of the installer to be sure that TimberTech
AZEK Decking & Rim Joist Covers is fit for the intended use. Since all installations are
unique, it is also the installer’s responsibility to determine specific requirements for
each Deck application. AZEK Building Products recommends that all applications be
reviewed by a licensed architect, engineer or local building official before installation.
To get more information visit www.TimberTech.com.
Prior to your purchase, AZEK Building Products also recommends that you review the
full Installation Guidelines for more details regarding installation as well as information
on care and maintenance, storage and handling, reference to warranty coverage, and
other important product information. Installation Guidelines can be found at:
https://www.timbertech.com/resources/installation-help/
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
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