» Cover all flat blocking with trough material and caulk all seams. » Caulk around all flat blocking. Cover with trough material and tape all seams.
10C
DOUBLE OR TRIPLE PICTURE FRAME (LADDER BOX)
COVER BLOCKING WITH TROUGH AND TAPE
DOWNSPOUTS INSTALL IN EACH LADDER BOX. DO NOT TEAR OUT OPENING ON DOWNSPOUT
11B
2 X 4 LADDER BOX
FUNNEL IN EACH
11 " BLOCKING ON ENDS
FLAT BLOCK
DOWNSPOUTS DRAIN INTO COLLECTION GUTTER
10C. DOUBLE OR TRIPLE PICTURE FRAME: LADDER BOX » Place a 11" blocking horizontally on the ends of the bay to support 45° decking. » Install a 2 x 4 ladder box to support downspouts. » Trim off all downspout nozzles to accommodate gutter.
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 post on the trough and draw two lines, corner to corner. Cut along the diagonal lines. » Pull up tabs and install the post. » Staple all remaining trough over flat blocking (10A). » Tape starting at bottom of the trough, up the post overlapping layers to assure a water tight seal working up around the post extending down onto the trough. Cut the tape at a 45-degree angle on all corners. Place a small piece of tape over the corners where the trough and post meet, to seal the corners from any leaks. (12A)
» Place downspouts into ladder box (DO NOT REMOVE OPENINGS).
» Install a piece of trough material over the 11" blocking, making sure to overlap downspouts and the adjoining trough. » Tape over blocking, joints and seams making sure that all screw penetrations go through trough and tape. 11. INSTALLING RAILING USING THE LADDER BOX METHOD If installing an inset post with double picture frame using ladder box method: » Decide where each post will need to be attached » Use vertical and flat blocking at desired location as shown. (11A)
12A
WRAP TAPE AROUND THE POST EXTENDING DOWN ONTO THE TROUGH. CUT THE TAPE AT A 45 DEGREE ANGLE ON ALL CORNERS WHERE THE TROUGH AND POST MEET TO SEAL THE CORNERS FROM ANY LEAKS.
MARK EDGES OF POST ON TROUGH AND CUT DIAGONAL LINES FROM CORNER TO CORNER
11A
4x4 POST FOR RAILING
2x4 BLOCK
16" O.C.
PULL UP TABS ON ALL FOUR CORNERS AND INSTALL THE POST
PUT FLAT BLOCKING TO FILL IN ALL OPEN SPACE TO SUPPORT TROUGH
FOLLOW "9A" OF THIS INSTALLATION GUIDE FOR ALL POST INSTALLATIONS
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