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TREX RainEscape Installation Manual

Deck drainage system
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DECK DRAINAGE SYSTEM
I N S TA L L AT I O N G U I D E
C R E AT E A
D R Y S PAC E
be low yo ur d e ck

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Summary of Contents for TREX RainEscape

  • Page 1 DECK DRAINAGE SYSTEM I N S TA L L AT I O N G U I D E C R E AT E A D R Y S PAC E be low yo ur d e ck...
  • Page 2 P r o t e c t t h e s p a c e b e l o w y o u r d e c k F R O M R A I N , S U N & O T H E R E L E M E N T S WAT E R I S D I R E C T E D AWAY F R O M YO U R D E C K A N D I N TO A WAT E R D R A I N AG E S Y S T E M...
  • Page 3 This installation guide provides step-by-step instructions on how to install Trex RainEscape on an elevated deck. Please read through these instructions carefully. For additional information on how to install Trex RainEscape, please view our videos on the Trex RainEscape YouTube channel or call a Trex RainEscape Specialist at 1-877-348-1385.

  • Page 4: Table Of Contents

    Double or Triple Picture Frame ........................14 Cantilevered Downspout ........................... 15 Obstructions & Posts ..........................16 Using the Trex RainEscape Post Flash ...................... 16 Surface Post Mount ............................ 17 Installation of a Trough Over a Double or Triple Beam ................17 Modifying Downspouts for Obstructions ....................
  • Page 5 If leaves and debris accumulate in the troughs, a standard washing or a hard rain will clean out the system IF THE TAPE WILL NOT STICK In areas, such as the perimeter, brick or stucco, where the Trex RainEscape tape will not stick, use the Trex RainEscape butyl caulk to adhere the material. CAUTION Do not splice trough material.

  • Page 6: Basic Installation

    4-5/8" (120 mm) HOLE SAW SOFFIT 4X4 POST FLASH LIGHT (102 mm x 102 mm) TREX RAINESCAPE BUTYL CAULK* (10.5 oz tube) * One tube covers 25 linear ft. w/1/4" bead FRAMING DETAIL INSTALLATION OF THE FLAT BLOCKING AND RAILING (See pgs.

  • Page 7: Preparation

    MAXIMUM DEPTH FOR TROUGH IS 4" 4" BLOCK BELOW THE TROUGH SYSTEM BLOCKING 2. INSTALLING THE TREX RAINESCAPE DOWNSPOUT » Cut downspouts along one 12" or 16" side of SIDE VIEW score mark based on joist spacing. » Install all downspouts along rim joist and/or ledger board.

  • Page 8: Types Of Flashing

    » Cut into mortar or cement joint. (3C) Caulk "Z" flashing into mortar. Install trough under flashing as shown in (3A). Tape over flashing to the top of the trough using the 4" RainEscape butyl tape. CUT MORTAR 4" BUTYL TAPE CAULK "Z"...

  • Page 9: Installing The Trex Rainescape Trough

    BAY THE FOLD NEEDS TO BE OFFSET TO ACCOMMODATE THE JOIST BAY PLACE FIRST STAPLE » When working with the Trex RainEscape trough AT LEDGER material, ensure that the smooth/shiny side always faces up. FINISH STAPLING EVERY 8" TO 10" GOING FROM...
  • Page 10 » To test for correct slope, pour a cup of water on trough at ledger board ensuring water runs to CUT OFF EXCESS TROUGH 1" the downspout. (4G) AWAY FROM THE BACK OF THE DOWNSPOUT WALL » Follow above step for the remaining troughs. RUN A WATER TEST TO ENSURE WATER RUNS TO DOWNSPOUT...

  • Page 11: Tape All Seams

    TO WIDTH TAPE TRIM EXCESS (APPROX. 4" BACK) » Using Trex RainEscape tape, tape all seams, joints and perimeter making sure the flashing is taped to the trough. (5B) NOTE: Tape works off of compression and must be pinched between decking and joist to make a tight seal.
  • Page 12 » Before installing a gutter system perform a water test to clean out the system and check for any leaks. SIDE VIEW » Attach a standard gutter system to collect the TROUGH TAPE water from the Trex RainEscape downspouts. BUTYL CAULK FRONT VIEW BUTYL CAULK...

  • Page 13: Installing Trex Rainescape Soffit Lights

    NOTE: It is better to over light your area. A dimmer Above listing is for maximum number of each individual light. If mixing and matching lighting, contact Trex to determine if more than one transformer is required. switch can be added later to soften the lighting.
  • Page 14 6" Outlet FOR JOISTS LESS THAN 8' (15.2 cm) Dimmer Timer Dimmer (Optional) Timer (Optional) SPLITTER LIGHT TREX Transformer TREX Transformer To Splitter ROW 1 Joist Length Light Light connection EXAMPLE OF A 2 ROW LIGHT INSTALLATION Connection connection Dimmer...

  • Page 15: Modifications & Special Cases

    » Cover nailer with trough, making sure to overlap » Screw down 2" x 4" pressure-treated shim blocking adjoining downspout and trough. on top of the installed the RainEscape system over the joists and wherever blocking is needed to » Cover all seams with 4" butyl tape and support deck boards.
  • Page 16 » Cover all flat blocking with trough material DOUBLE OR TRIPLE PICTURE FRAME (LADDER BOX) and caulk all seams. » Caulk around all flat blocking. Cover with trough COVER BLOCKING WITH material and tape all seams. TROUGH AND TAPE DOWNSPOUTS INSTALL IN EACH LADDER BOX.

  • Page 17: Using The Trex Rainescape Post Flash

    APPLY TAPE TO THE FLASHING AND IF USING A POST SLEEVE APPLY TAPE THE TROUGH MATERIAL TO THE FLASHING AND THE POST 13. USING THE TREX RAINESCAPE 4X4 POST FLASH IF NOT INSTALLING A POST SLEEVE, CUT POST FLASHING TO THE TOP »...

  • Page 18: Surface Post Mount

    » Staple the trough material from the end of the NOTE: Please refer to Trex.com for detailed post cantilever over the existing trough. Repeat all the mount instructions. steps as necessary for trough installation.
  • Page 19 16. DRAINING SECOND STORY GUTTER 17. INSTALLING A TROUGH OVER ON DECK A DOUBLE OR TRIPLE BEAM » Block out a 14" x 16" o.c. rectangle where the second » Caulk between each beam to ensure a water tight story gutter discharges onto the deck. (16B) seal between the beams.

  • Page 20: Modifying Downspouts For Obstructions

    UTILIZE 12' OR 16' TROUGH MATERIAL 21. RUNNING WIRES OR OBSTRUCTIONS THROUGH TROUGH OR DOWNSPOUT » Two ways to run wire through Trex Rainescape system: #1 PENETRATION THROUGH TROUGH » Pick bay for penetration. Poke hole large enough for wire.
  • Page 21 » Cut hole to fish wire going up through side SIDE VIEW DECKING of joists. Apply butyl caulk around wire piece and MAXIMUM DEPTH FOR TROUGH IS 4" tape over wire. (21C) 4" TAPE PATCH TROUGH WIRE TROUGH SHOULD NOT MAKE CONTACT OPTION: ADD A PIECE OF CEMENT SIDING OR WITH THE RECESSED CAN LIGHT DRYWALL TO DEFLECT THE HEAT FROM THE LIGHT...
  • Page 22 » Take 3-4" strips of our Trex butyl tape to hold 3. TAPE AROUND JOIST AND PERIMETER downspouts to deck joists. Tape on either side » Cut 3" - 6" strips of the Trex RainEscape double- of downspout to secure. sided tape and place every 16" - 20" along the »...
  • Page 23 4. DOWNSPOUTS SEALING THE SYSTEM » Tape the finished system with 4" Trex RainEscape Remove the backing on the double-sided tape and » place the downspout in the joist bay. Tape as you would for a standard installation. Repeat the process the same as you would in a »...

  • Page 24: Warranty

    IBP, LLC Enterprises, LLC (IBP, LLC) warrants that at in writing at the address in Section 7 within thirty (30) days the time of sale the components of the Trex RainEscape after discovering the nonconformity. The notice must de- Deck Drainage System (the “System”) will be free from scribe the location and nature of the nonconformity.

  • Page 25: Frequently Asked Questions

    Q: How durable is the Trex RainEscape System? A: Trex RainEscape is made with durable poly and ultra violet inhibitors. This will protect the Trex RainEscape system from sun, snow and rain. The system comes with a 20-year warranty.
  • Page 26 N OT E S...
  • Page 27 JOIST & BEAM TAPE trexprotect.com F O R U S E W I T H A N Y T Y P E D E C K Trex Protect cannot be used when installing Trex RainEscape *Visit trexprotect.com for the terms of this warranty...
  • Page 28 © 2021 Trex Company, Inc. All rights reserved. Trex® RainEscape® products are manufactured and sold by IBP, LLC under a Trademark License Agreement with Trex Company, Inc. RainEscape® is a federally registered trademark of IBP, LLC. A 20-year Limited Warranty is provided by the manufacturer.

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