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TREX RainEscape, Installation Manual

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TREX RainEscape Installation Manual Download Page 8

8

3. THREE TYPES OF FLASHING:

With Flashing

»

 When using flashing add a bead of butyl caulk at the  
ledger board and between the flashing and trough. 
Tape over the flashing to the top of the trough  
using the 4" RainEscape butyl tape. (3A) 

Flashing with Brick or Stucco

»

 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.

CAULK "Z" FLASHING WITH TREX  

RAINESCAPE BUTYL CAULK

CUT MORTAR

3B

WHEN USING FLASHING, ADD 

A BEAD OF BUTYL CAULK AT 

THE LEDGER BOARD AND 

UNDER THE FLASHING. TAPE 

OVER THE FLASHING TO THE 

TOP OF THE TROUGH.

4" BUTYL TAPE

4" BUTYL TAPE

RECOMMENDED

CAULK LEDGER BOARD INTO HOUSE WITH 

TREX RAINESCAPE BUTYL CAULK

CAULK TROUGH  

INTO HOUSE WITH TREX  

RAINESCAPE BUTYL 

CAULK

3C

CAULK WITH COLOR MATCH 

SILICONE (NOT SUPPLIED) OR 

USE TREX WALL FLASHING

3A

6

BA
SIC INS

TALLA

TION

No Flashing with Brick or Stucco

»

 If installing against brick or stucco and you  

DO NOT 

need a 100% water tight seal, 

use the caulking method. (3C)

Trex does not endorse installing the system without 
flashing. If installation with flashing is not possible, refer 
to your local building code official for an exception.

Summary of Contents for RainEscape

Page 1: ...I N S TA L L AT I O N G U I D E DECK DRAINAGE SYSTEM CREATE A DRY SPACE below your deck ...

Page 2: ...TER IS DIRECTED AWAY FROM YOUR DECK AND INTO A WATER DRAINAGE SYSTEM 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 OT H E R E L E M E N T S EXPAND YOUR OUTDOOR LIVING SPACE ...

Page 3: ...n 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 I N S TA L L AT I O N G U I D E DECK DRAINAGE SYSTEM ...

Page 4: ...ard 14 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 17 Cutting Around Downspouts and Obstructions 18 Double Extended Decks over 19 18 Installing Can Lighting 19 Installing Over Deck Steps 19 INSTALLATION OV...

Page 5: ...ers or any fastener without a flat base to provide pressure to butyl tape Call a Trex RainEscape Specialist at 1 877 348 1385 for recommendations Do not over drive double thread screws Do not stand anywhere other than the top of the floor joists ledger rim joists or headers The Trex RainEscape system can not support body weight Do not use nails to attach the deck boards above the Trex RainEscape s...

Page 6: ...CAULK GUN UTILITY KNIFE WATER FLOW DIRECTION 1 4 fall per foot INSTALL DOWNSPOUTS See pg 5 INSIDE POST INSIDE POST MOUNT MOUNT 2 x 4 FLAT BLOCK 2 x 4 FLAT BLOCK TRIPLE BEAM FLUSH MOUNT POST See pg 17 CANTILEVERED DOUBLE SIDED TAPE 21 2 x 50 63 5 mm x 15 24 M BASIC INSTALLATION FRAMING DETAIL One tube covers 25 linear ft w 1 4 bead INSTALLATION OF THE FLAT BLOCKING AND RAILING See pgs 16 17 INSTALL...

Page 7: ...g one 12 or 16 side of score mark based on joist spacing Install all downspouts along rim joist and or ledger board Cut out side should face open deck bay DOWNSPOUT SHOULD EXTEND ABOUT 1 INTO THE GUTTER SIDE VIEW TEAR OUT OPENING AS MARKED ON THE DOWNSPOUT IN COOLER WEATHER USE A UTILITY KNIFE Downspout should extend 1 into gutter cut or extend as necessary 2C 1 2 2A 2B 2C 1A MAXIMUM DEPTH FOR TRO...

Page 8: ...AR 3B WHEN USING FLASHING ADD A BEAD OF BUTYL CAULK AT THE LEDGER BOARD AND UNDER THE FLASHING TAPE OVER THE FLASHING TO THE TOP OF THE TROUGH 4 BUTYL TAPE 4 BUTYL TAPE RECOMMENDED CAULK LEDGER BOARD INTO HOUSE WITH TREX RAINESCAPE BUTYL CAULK CAULK TROUGH INTO HOUSE WITH TREX RAINESCAPE BUTYL CAULK 3C CAULK WITH COLOR MATCH SILICONE NOT SUPPLIED OR USE TREX WALL FLASHING 3A 6 BASIC INSTALLATION N...

Page 9: ...n working with the Trex RainEscape trough material ensure that the smooth shiny side always faces up If installing the system on 12 o c joist cut the 1 1 2 score mark side back 4 Then align the left edge of the trough with the outside of the joist 4B Hold roll so 1 1 2 score mark is on the left 4D Line up the 1 1 2 score with the second joist Place first staple at ledger board on 1 1 2 score mark ...

Page 10: ...joist tight keeping entire length of trough smooth and wrinkle free so as not to impede water flow 4E Place fourth staple on outside joist 4E Continue stapling every 6 to 8 from downspout to ledger on both joists to secure 4E Trough material must cover all exposed wood on surface of deck SCORE DOWN THE MIDDLE OF THE TROUGH TO REMOVE WRINKLES IF NEEDED WITH A SCREEN SPLINE ROLLER 4H RUN A WATER TES...

Page 11: ...mpression and must be pinched between decking and joist to make a tight seal NOTE The butyl tape should never be put directly on the board without the trough material or a downspout below it 5 TAPE ALL SEAMS Trim excess trough at seams keeping overlap so tape will cover the top of the joist and seams 5A 6 WALL FLASHING FOAM STRIP Cut a piece of the self adhesive wall flash the width of the deck 6A...

Page 12: ...he Trex RainEscape downspouts DOWNSPOUT SHOULD EXTEND ABOUT 1 INTO THE GUTTER WE SUGGEST INSTALLING A 2x4 or 2x6 ACCESS PANEL TO CHECK GUTTER WITHOUT REMOVING SOFFIT SIDE VIEW NOTE Installing a clean out trim piece will allow access to gutter line after installation 8A 7 8B 8D 8C FOR 2 x 12 JOIST EXTEND THE DOWNSPOUT USING A STANDARD GUTTER DOWNSPOUT AND TRIMMED TO LENGTH FOR 2 x 6 OR 2 x 8 JOIST ...

Page 13: ... to an AC switch please consult a licensed electrician MEASURING 1 Measure joist length and divide by 5 2 Measure deck width and divide by 5 3 Take the answer from 1 and multiply by the answer of 2 the total number of lights 9B NOTE It is better to over light your area A dimmer switch can be added later to soften the lighting 2 GFCI Outlet Timer TREX Transformer To Splitter Dimmer Optional Light c...

Page 14: ...TREX Transformer To Splitter Dimmer Optional 1 2 Light connection Connection wire Connection wire GFCI Outlet Timer TREX Transformer To Splitter Dimmer Optional 1 Light connection Connection wire Connection wire 6 15 2 cm ansformer To Splitter Dimmer Optional 1 2 Light connection Connection wire Connection wire Joist Length Deck Width House 9 12 13 16 SPLITTER LIGHT INSTALLING THE LIGHTS Install c...

Page 15: ... previous instructions pp 5 9 Tape all joints and seams Screw down 2 x 4 pressure treated shim blocking on top of the installed the RainEscape system over the joists and wherever blocking is needed to support deck boards Attach decking When attaching decking use fasteners that do not penetrate all the way through the 2 x 4 shim SINGLE PICTURE FRAME 10A HORIZONTAL BLOCKING RUNS THE ENTIRE LENGTH OF...

Page 16: ...h post will need to be attached Use vertical and flat blocking at desired location as shown 11A Cover all flat blocking with trough material and caulk all seams Caulk around all flat blocking Cover with trough material and tape all seams 12A RAILING POSTS 6X6 POSTS AND OBSTRUCTIONS WHEN NOT USING 4X4 POST FLASH To install a post or obstruction on the inside rim joist first mark the edges of the po...

Page 17: ...irst mark the edges of the post on the trough and draw two lines corner to corner Cut along the diagonal lines 12A Pull up tabs and install the post Staple remaining trough to cover flat block 10A Cut the post flash into four even sections 12B Attach one piece to each corner of the post 12C Tape starting at bottom of the trough up the post overlapping layers to assure a water tight seal working up...

Page 18: ... x 6 1 cm x 15 2 cm hex cap bolts washers and nuts along with aluminum back plate on underside of blocking 14A 14B CUT 1 OFF THE BACK OF THE DOWNSPOUT THAT FACES THE CANTILEVER ATTACH TROUGHS ATTACH A SECOND TROUGH FROM THE BACK OF THE CANTILEVER AND EXTEND BEYOND THE EXISTING DOWNSPOUT TRIM OFF EXCESS TROUGH MATERIAL 15 CANTILEVERED DOWNSPOUT Tear off the cut out on the front panel of the downspo...

Page 19: ...rough material that overlaps into both adjacent bays Tape seams and trough material where screw penetration may occur Tape over the top of the triple beam and trough material that sits on top of the beam NOTE All wood must be covered with trough material and taped wherever decking will be screwed If installing a post in this location consult with the local building code official prior to installat...

Page 20: ...THROUGH TROUGH Pick bay for penetration Poke hole large enough for wire Mark near joist where wire will penetrate Keeping it close to joist helps with connection point and hole is at highest point of trough 21A CUT OUT THE END OF DOWNSPOUT AROUND THE POST SLIDE A SCRAP PIECE OF TROUGH MATERIAL OVER THE CUT OUT TAPE AROUND POST AND PATCH AREA CREATE TABS ON THE PATCH 19 MODIFYING DOWNSPOUT FOR OBST...

Page 21: ...ate 22 INSTALLING LOW PROFILE CAN LIGHTS When installing low profile can lights below the trough make sure the light does not come in contact with the trough material 22 ON THE LOWER DECK ADD A BEAD OF BUTYL CAULK WHERE THE UPPER DECK FRAMING MEETS THE LOWER DECK FRAMING BEFORE INSTALLING THE FIRST TROUGH ON THE UPPER DECK ADD A BEAD OF BUTYL CAULK ON TOP OF THE TROUGH MATERIAL THAT EXTENDS THE LE...

Page 22: ...of our Trex butyl tape to hold downspouts to deck joists Tape on either side of downspout to secure Instead of using staples attach the trough material with tape using the same pattern as wood joist 2A CUT 3 6 STRIPS OF DOUBLE SIDED TREX RAINESCAPE TAPE AND PLACE EVERY 16 TO 20 ALONG THE JOIST PERIMETER LEAVING BACKING ON 3 TAPE AROUND JOIST AND PERIMETER Cut 3 6 strips of the Trex RainEscape doub...

Page 23: ...sided tape along the top of the adjoining trough and install as you would in a standard installation 5A In order to keep the trough from getting too bulky stagger the placement for the second row of tape so as not to position it on top of the tape below 5 REMOVE TAPE BACKING AND PLACE THE TROUGH IN THE JOIST BAY AS YOU WOULD IN A STANDARD INSTALLATION 5A ADD NEW TAPE TO THE TOP OF THE INSTALLED TR...

Page 24: ...licable warranty period the System or its components do not conform to the preceding Warranties the Owner shall notify IBP LLC as provided below and within a reasonable time IBP LLC will provide at its option one of the following 1 replacement components for any non conforming or defective components or 2 the percentage of the purchase price for the non conforming System com ponents equal to the p...

Page 25: ...enance prevents most debris build up as small debris simply passes through the system with water In the rare case that there is some build up use the 2x4 access panel Q Can I install the Trex RainEscape system near Low E doors and windows A Yes but caution must be used Low E glass reflects more sunlight and it can be observed that the extra reflectivity combined with any concavity in the glass can...

Page 26: ...26 NOTES 24 ...

Page 27: ...YL TAPE DESIGNED TO PROTECT THE TOP OF JOISTS AND BEAMS FROM MOISTURE THAT CAN LEAD TO WOOD ROT AND THE LOOSENING OF DECK SCREWS AND FASTENERS P r o t e c t y o u r d e c k f r o m m o i s t u r e w i t h TREX PROTECT J O I S T A N D B E A M TA P E trexprotect com JOIST BEAM TAPE Visit trexprotect com for the terms of this warranty ...

Page 28: ...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 DECK DRAINAGE SYSTEM trexrainescape com ...

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