Installation Guide

8
DECKING INSTALLATION : I-SERIES
Breaker Boards
 Breakerorboarderboards(boardslaidat90°totherestofthe
deck) can be used to create a boarder around the deck and
willaidincontrollingexpansion&contracons.Blockingwill
needtobeusedtosupportthebreakerboard.Atamaximum
spacingof16”[407mm]O.C.Thebreakerboardwillneedto
besurfacemountedtotheblockingwithcompositescrews.
As shown in Fig� 2�
Note:
• Use a breaker board between long run boards to assist
  incontrollingexpansionandcontracon.Thisapproach
 hastheaddedbenetofcreangamorevisuallypleasing
  aesthec.ReferenceSupports&Spanssecononpage14.
• Breakerboardsmustbesupportedbyjoistsorblocking.
• Where breaker boards cannot be used, double joists must
 beusedtosupportthebujoins.Useaminimumoftwo
 fastenersperjoist,evenlyspacedandaminimumof
1-1/4”[32mm] from any board edge�
• Joistspansshouldbealteredincaseswhereboardsare
installed diagonally�
Fig. 2
20` Deck Board
WALL
WALL
1/8”
Gap
1/8”
Gap
20` ( with expansion at 1/8” per side)
Estimated expansion allowance between 2 fixed points in a cooler climate.
Blocking Blocking
Breaker Board
BreakerBoard
Blocking
Joist
Fig. 1
WALL
WALL
20`[6096mm]DeckBoard
Esmatedexpansionallowancebetween2xedpointsina
coolerclimate50°F-10°Cbellow�
20` [6096mm]
(Withexpansionat1/8”[3mm] perside)
Breaker Board
1/8”[3mm]Gap1/8”[3mm]Gap
TOP VIEW