Instructions / Assembly
S
TEP 
2
Slots for 
Fasteners 
water-proofing 
(SAF 
or similar) 
plate and over any 
sub-floor area. 
©
Copyright 2004 
2016 
SureSill, Ltd. All rights reserved.
Install assembled SureSill
TM 
Sloped Sill 
rough opening, and secure to rough 
opening by fasteners in slots provided. 
STEP 5 
Install WRB in shingle fashion, including over jamb flashing 
and head flashing. ALLOW FREE DRAINAGE FOR SURESILL  
SLOPED SILL PAN  AND HEADFLASH  DURING AND AFTER 
CONSTRUCTION. PAINTING IS RECOMMENDED FOR THE SURFACES 
EXPOSED TO EXTERIOR. APPLY FOAM TO THE INTERIOR SIDE TO SEAL 
THE GAP BETWEEN THE FRAME/JAMB AND THE ROUGH OPENING ON 
THREE SIDES (TWO VERTICAL AND ON TOP). 
S
TEP 
1
Install 
Drainage S
kirt 
plate over any sub-floor area. See 
Sealing the Sill Pan STEP 1 DETAIL 
Apply sealant on 
concrete, sub- 
floor or 
the sides. 
STEP 4 
Install window or door per OEM instructions. See STEP 4 DETAIL Install 
the HeadFlash
TM
.
 Install HeadFlash
TM 
head flashing.  
Apply SAF over the HeadFlash
TM
S
TEP 
3
Use self adhering flashing (SAF) on 
rough jamb, over SureSill
TM 
End Caps. 
Apply adhesive sealant to jambs and 
head. 
Adhesive 
Sealant 
(over SAF 
and head) 
threshold with sealant and tool it flat. 
Back of the door/window casing should be grooved to 
accommodate for the sill pan. 
THE SURE 
LEVEL OF 
PROTECTION 
Page 2 of 3
*1
NOTE:  
SURESILL  SLOPED SILL 
PAN  AND SURESILL  
HEADFLASH  SHOULD BE 
INSTALLED AT THE SAM
E TIME 
A WINDOW OR DOOR IS 
BEING 
INSTALLED.  





