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40
HOW TO INSTALL DECKING
IMPORTANT NOTES:
» EACH POST MUST BE ATTACHED AS SHOWN
TO ENSURE A CODE-COMPLIANT AND SAFE
INSTALLATION.
» ALWAYS REFER TO YOUR LOCAL BUILDING CODE OFFICIAL PRIOR TO
INSTALLING ANY RAILING SYSTEM TO ENSURE ALL CODE AND SAFETY
REQUIREMENTS ARE MET. TREX CANNOT BE HELD RESPONSIBLE FOR
IMPROPER OR NON-RECOMMENDED INSTALLATIONS.
» WHEN INSTALLING TREX POST MOUNTS ON ACQ OR CCA SURFACES,
USE AN APPROPRIATE ISOLATION BARRIER BETWEEN POST AND
SURFACE (CONTACT LOCAL BUILDING CODE OFFICIAL IF NEEDED).
» ENSURE THAT CORRECT SKU HARDWARE IS ORDERED FOR THE TYPE
OF RAILING BEING INSTALLED.
» CANNOT BE USED WITH TREX TRANSCEND COCKTAIL RAILING.
» See page 53 for sku information.
TOOLS AND MATERIALS NEEDED
»
Drill and/or screw gun
»
1/2" (1.3 cm) drill bit for wood
»
Blocking – 2" x 8" (5.1 cm x 20.3 cm)
pressure-treated Southern Yellow Pine or equivalent
»
Qty: 36 (per post) – 3" (7.6 cm) pressure-treated
compatible wood screws
PARTS
» (1) Post mount
» (2) Guide blocks
» (18) #8-15 x 1-1/4" (3.2 cm)
Self-tapping screws
» (2) 10 x 1" (2.5 cm)
Self-tapping screws
SKU ALPOSTHWDECK (this SKU SOLD SEPARATELY
and must be used for code-approved applications)
» (4) 3/8" x 6" (1 cm x
15.2 cm) Hex cap bolts
» (1) Back plate
» (8) Flat washers
» (4) Hex nuts
How to Install Post
Mounts on Pressure-
Treated Wood Framing
Corner Post Installation
1. Install 2" x 8" (5.1 cm x 20.3 cm) cross bracing
frame in between joists at 7-1/4" (18.4 cm). Attach
a total of twelve 3" (7.6 cm) pressure-treated
compatible screws (not provided).
2. Install two 2" x 8" (5.1 cm x 20.3 cm) boards as
blocking under post location. Securely attach
blocking using a total of twenty-four
3
"
(7.6 cm)
pressure-treated compatible screws (not provided).
NOTE: TO ENSURE THE BLOCKING IS FULLY SECURE,
USE THE AMOUNT OF SCREWS INDICATED ABOVE.
TIP: USE TWO ADDITIONAL SCREWS TO “SANDWICH”
BLOCKING BOARDS TOGETHER FOR EASIER
ATTACHMENT TO FR AMING.
LOCATION AND INSTALLATION OF SURFACE MOUNT POST – DECKING
7-1/4"
(18.4 cm)
7-1/4
"
(18.4 cm)
2" x 8" Pressure-treated
Cross bracing frame
1
2
Blocking
boards
NOTE: Construction methods are always improving. Please refer to www.trex.com for the most up-to-date installation requirements.
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