TREX®JOIST MOUNT POSTS Installation Guidelines
JOIST MOUNT POSTS Joist Mount Post for Trex Composite Post Sleeve SKU CPJMNTPOST63 » (1) Joist Mount Post » (2) Guide blocks » ( 2) 10 x 1" (2.5 cm) Self-tapping screws » (18) #8-15 x 1-1/4" (3.2 cm)Self-tapping screws » (2) 1/2" x 8" Bolts, Washers, & Nuts
Trex Joist Mount Post for Trex Reveal Railing SKU XXJMNTPOST63
B
C
D
E
XX denotes color: (BK-Black, BZ-Bronze, WT-White)
» (1) Joist Mount Post » (2) 1/2" x 8" Bolts, Washers, & Nuts* » (1) Post Cap » (1) Post Skirt * Note: bolt heads, washers, and nuts are color matched to joist mount post color
Simpson LUS28Z** (or similar)
Simpson DTT2Z**
F
Trex Fascia Mount Bracket Kit (Wood) SKU - XXFMNTWOOD
Simpson ML26Z** (or similar)
Simpson L70Z** (or similar)
G
Trex Fascia Mount Corner Bracket Kit (Brackets, Bolts, Nuts, Washers, & Screws) SKU - XXCORNERFMNTWOOD
XX denotes color BK-Black, BZ-Bronze, WT-White
GENERAL GUIDELINES » Code Approved Joist Mount Post Applications: » Included template works for most, but not all, - 30" or less deck height - Code approval not applicable applications. Review instructions carefully prior to - IRC Compliant - Yes drilling holes, making sure to center holes on post. - IBC Compliant - No » ** Simpson structural brackets are not included with » Minimum framing is 2"x 8" (51 mm x 203 mm) joist mount posts and must be purchased seperately. (ensure all structural brackets are sized appropriately for HELPFUL TOOLS framing). 9/16" x 6" (14 mm x 152 mm) » Follow all structural bracket manufacturer's guidelines for or longer Drill Bit fastener selection and corrosion protection requirements. » Maximum OC framing is 16" (406 mm). 1/2" (13 mm) » This post is designed to cut-to-length and will accommodate Step Bit up to 42" (1067 mm) stair railing on 2" x 12" (51 mm x 305 mm) Non-ferrous Metal Cutting Blade framing.
Wood Frame (Inside Mount) Overview
Wood Frame (Fascia Mount) Overview
NOTE: To allow fascia to sit flat against framing, route/trim out back side of fascia to allow for fit over bolt locations.
NOTES: » Trex fascia should be installed prior to installing any outside joist post mounts » Can only be used with Reveal 6' or less railing spans. 1
Have Questions?
1–800–BUY–TREX
NOTE: Construction methods are always improving. Please ensure you have the most up-to-date installation instructions by visiting trex.com
JPM-0716
TREX® JOIST MOUNT POSTS Installation Guidelines
INSIDE MOUNT (FRONT RIM PLATE - BETWEEN JOISTS WITH BLOCKING) Simpson ML26Z
Blocking 2"x 8" (51 mm x 203 mm)
Simpson LUS28Z
Simpson L70Z
Trex Bolts 1/2" x 8" (13 mm x 203 mm), Nuts, and Washers
INSIDE MOUNT (FRONT RIM PLATE - NEXT TO JOIST) Front Rim Joist
NOTE: If a joist hanger is in this location, it must be removed so post mount will fit properly.
Post
Simpson L70Z Trex Bolts 1/2" x 8" (13 mm x 203 mm), Nuts, and Washers
Simpson LUS28Z
TOP VIEW
Simpson DTT2Z
SIDE VIEW Post
Front Rim Joist
Simpson DTT2Z
Simpson DTT2Z
2 Have Questions?
1–800–BUY–TREX
NOTE: Construction methods are always improving. Please ensure you have the most up-to-date installation instructions by visiting trex.com
JPM-0716
INSIDE MOUNT (SIDE JOIST) » TREX SUPPLIES (2) HG 1/2" x 8" (13 mm x 203 mm) BOLTS, NUTS, AND WASHERS. » CUSTOMER MUST SUPPLY ADDITIONAL HG 1/2" X 8" (13 mm x 203 mm) BOLTS, NUTS, AND WASHERS.
Simpson LUS28Z
Simpson L70Z
Simpson DTT2Z
Blocking 2"x 8" (51 mm x 203 mm)
Trex Bolts 1/2" x 8" (13 mm x 203 mm), Nuts, and Washers
SIDE VIEW
Bottom bolt runs under the 2"x 4" (51 mm x 102 mm) crush block Simpson DTT2Z Crush Block 2"x 4" (51 mm x 102 mm) Crush Block
3 Have Questions?
1–800–BUY–TREX
NOTE: Construction methods are always improving. Please ensure you have the most up-to-date installation instructions by visiting trex.com
JPM-0716
TREX®REVEAL™ JOIST MOUNT POSTS RAILING Installation Guidelines Instructions
INSIDE MOUNT (CORNER) » TREX SUPPLIES (2) HG 1/2" x 8" (13 mm x 203 mm) BOLTS, NUTS, AND WASHERS. » CUSTOMER MUST SUPPLY ADDITIONAL HG 1/2" X 8" (13 mm x 203 mm) BOLTS, NUTS, AND WASHERS.
Blocking 2"x 8" (51 mm x 203 mm) min NOTE: If a L70Z is in this location, it must be removed so post mount will fit properly.
Simpson DTT2Z
Blocking 2"x 8" (51 mm x 203 mm)
Simpson LUS28Z
Simpson L70Z
Front Rim Joist
Trex Bolts 1/2" x 8" (13 mm x 203 mm), Nuts, and Washers
NOTE: 1/2” x 8” (13 mm x 203 mm) bolts must be wider (vertically) on front rim and narrower on side joist to avoid contact inside the post.
Simpson DTT2Z
4 Have Questions?
1–800–BUY–TREX
NOTE: Construction methods are always improving. Please ensure you have the most up-to-date installation instructions by visiting trex.com
JPM-0716
FASCIA MOUNT (FRONT RIM PLATE - NEXT TO JOIST) » FOR USE WITH TREX REVEAL 6' RAILING SECTIONS ONLY. » TREX SUPPLIES (2) HG 1/2" x 8" (13 mm x 203 mm) BOLTS, NUTS, AND WASHERS.
TOP VIEW Trex Fascia
Post
Front Rim Joist
Trex Fascia Mount Kit (L Bracket) Trex Bolts 1/2" x 8" (13 mm x 203 mm), Nuts, and Washers
Simpson DTT2Z
Simpson LUS28Z
NOTE: If a joist hanger is in this location, it must be removed so post mount will fit properly. Simpson L70Z
SIDE VIEW Post
Simpson DTT2Z
Trex Decking L-Bracket
Trex Fascia
Simpson DTT2Z
Front Rim Joist
5 Have Questions?
1–800–BUY–TREX
NOTE: Construction methods are always improving. Please ensure you have the most up-to-date installation instructions by visiting trex.com
JPM-0716
TREX® JOIST MOUNT POSTS Installation Guidelines
FASCIA MOUNT (SIDE JOIST - WITH BLOCKING) » TREX SUPPLIES (2) HG 1/2" x 8" (13 mm x 203 mm) BOLTS, NUTS, AND WASHERS. » CUSTOMER MUST SUPPLY ADDITIONAL HG 1/2" X 8" (13 mm x 203 mm) BOLTS, NUTS, AND WASHERS.
TOP VIEW
Simpson DTT2Z
Side Rim Joist Trex Fascia
Blocking 2"x 8" (51 mm x 203 mm) min L-Bracket
Post Simpson LUS28Z
Trex Fascia Mount Kit (L Bracket) Simpson L70Z
Trex Bolts 1/2" x 8" (13 mm x 203 mm), Nuts, and Washers
Blocking 2"x 8" (51 mm x 203 mm) min
SIDE VIEW Post Blocking 2"x 8" (51 mm x 203 mm) min L-Bracket Trex Fascia
Simpson DTT2Z
Simpson DTT2Z
6 Have Questions?
1–800–BUY–TREX
NOTE: Construction methods are always improving. Please ensure you have the most up-to-date installation instructions by visiting trex.com
JPM-0716 TDL-1014
FASCIA MOUNT (OUTSIDE FRAME CORNER) » 3/4" (19 mm) FASCIA MUST BE USED, OR BOLTS MUST BE CUT DOWN. » INSTALL POST TIGHTLY ON RIM JOIST FIRST – NUTS WILL BE INACCESSIBLE LATER. » MUST USE TREX FASCIA MOUNT CORNER BRACKET KIT.
Trex Fascia Mount Corner Bracket (Kit) Trex Fascia Mount Kit (L Bracket)
3 Bolts 1/2" x 6" (13 mm x 152 mm), Nuts, and Washers
3/4" (19 mm) Fascia
1 Bolt 1/2" x 10" (13 mm x 254 mm), Nut, and Washer
NOTE: If a L70Z is in this location, it must be removed so post mount will fit properly. Simpson L70Z
Simpson LUS28Z
Front Rim Joist
Side Joist
Simpson DTT2Z
1. Install post on rim joist and fully tighten using Simpson DTT2Z on top bolt. 2. Run 10” (254 mm) bolt through gap in existing Simpson DTT2Z and tighten into second DTT2Z. 3. Install bottom bolt.
7 Have Questions?
1–800–BUY–TREX
NOTE: Construction methods are always improving. Please ensure you have the most up-to-date installation instructions by visiting trex.com
JPM-0716
TREX® JOIST MOUNT POSTS Installation Guidelines
COMPOSITE POST APPLICATIONS Installation of Guide Blocks and Railing NOTE: Pre-drilling is not required but is optional for attachment of guide blocks to post. Use a drill bit slightly smaller in size than that of screw being installed.
2
1
notch
6. Place or rest bottom aluminum guide block on bottom of post. Place guide on post so that notch is on a side that does not require railing to be attached. 7. Attach bottom guide block using one 10 x 1” self tapping screw (provided) in notch to lock guide block onto post.
3
4
» I f using the joist mount post with composite post sleeve, quantity of 18 self-tapping screws are provided to cover all types of Trex railing bracket installations (Transcend, Reveal, and Select). Thus depending on the type railing being installed, you may have screws that are not used. » If using 6x6 post sleeves, attach designated railing brackets using #8-15 x 1-3/4" (4.4 cm) 316 stainless steel self-tapping screws (not provided). » Pre-drilling is not required but is optional for attachment of brackets to guide blocks. Use a drill bit slightly smaller in size than that of screw being installed.
REVEAL POST APPLICATIONS Installation of Railing 1. All required hardware is included with Reveal railing, follow Reveal railing instructions for complete installation requirements
notch
8. Location of top guide block will vary slightly based on type and height of railing being installed. Determine this measurement and place top guide block in location where top bracket for desired railing would be approximately on center of the top railing bracket location. 9. Attach top guide block using one 10 x 1” self tapping screw (provided) in notch to lock guide block onto post.
8 Have Questions?
1–800–BUY–TREX
NOTE: Construction methods are always improving. Please ensure you have the most up-to-date installation instructions by visiting trex.com
JPM-0716 TDL-1014