Instructions / Assembly

STEP 1 Rough opening should be plumb and level. Install 12” waterproofing membrane as a drainage skirt, 6” above
bottom plate and fold it over the bottom plate. Apply 5 beads of Henkel/OSI TeQ Sealant 3/8” diameter, two on the each
edge of the bottom plate, one on exterior sheeting ¼” below bottom plate and one in each inside corner.
STEP 2 Cut Channel Plate™ ¼” less than the rough opening and place it on the bottom plate. First Drain Channel should
be minimum 2” away from the edge. Fasten Channel Plate™ with fasteners to the bottom plate 1” from each edge.
STEP 3
A. Remove first piece of release paper from SureSill™ FlexCap™. Adhere SureSill™ FlexCap™ to first Drain Channel and
Front Lip. If needed, stretch FlexCap™ over the slope and back lip. Do not stretch FlexCap™ over the Front Lip. Continue
to adhere towards the rough opening (RO). Adhere FlexCap over mechanical fastener and the closest Drain Channel
after mechanical fastener (First Drain Channel).
B. Remove second piece of release paper and adhere FlexCap™ up the rough opening a minimum 2”.
C. Fan out SureSill™ FlexCap™ at bottom corners onto
face of wall. Coverage of SureSill™ FlexCap™ should be
2” to 3” onto the face of the wall and over Front Lip.
Front View
Back View
Fastener Detail
Drain Channel
First Drain
Channel
SURESILL FLEXCAP
INSTALLATION GUIDELINES FOR 11X AND FOR
FIXED SIZE SLOPED SILL PAN
First Drain
Channel
Front Lip
Fastener Detail
SureSill 11X Sloped Sill Pan and FlexCap is a Patent Pending Technology made only by Suresill, Ltd. SureSill
TM
, Sloped Sill Pan™, 11X, and
FlexCap™ are the exclusive trademarks of SureSill, Ltd. © Copyright SureSill, Ltd. 2008 - 2011. All rights reserved. 20101002
3
NOTE: Proceed with Steps 3 5 of the SureSill Water
Management Guide posted at www.suresill.com for
installation of the complete SureSill system. FlexCaps™ can
be exposed to UV 120 days before they need to be covered.
Sealant Detail
SureSill™
FlexCap™ Detail
Drainage Skirt over
exterior sheeting
E. Fold SureSill™ FlexCap™ on back side to complete end dam. Repeat the same for other side.
D. Apply 3/8” thick bead of Sealant at the edge of FlexCap™ and
11X Pan and tool it flat. Sealant should not obstruct the drainage.
FlexCap™ Detail
Sealant Detail
SureSill™
FlexCap™
Detail - Back