Installation Instructions

17
Window Sill Installation
Window sills require a bit of cutting and fitting. Install sill at a downward
angle to provide for water run off from the house.
• The space between the window
frame and the horizontal furring
strip has to be at least the
thickness of your sill plus 1/8”
(3mm) to insert the window sill.
• Cut the top of the bricks under
the window if needed.
Apply a large bead of adhesive
along the top of the bricks and
the horizontal furring.
• Insert sill blocks under window
frame and set into adhesive.
• Insert a small filler piece and
attach with adhesive.
• Caulk between bottom of
window and top of sill.
Cut filler pieces to fit under the window
sill and secure with adhesive.
caulk between window frame and sill
secure sill and filler piece with construction
adhesive.
fasten each Novabrik under window sill with 2
screws, cut the top of the bricks if necessary
#8 or # 10 x 4” (100mm) corrosion-res screw,
either on the sides or underneath the sill.
Note: If necessary cut sills to equal length for a better harmonized look
under the window.