Installation Guide
24
windows and door trim
accessories installation
8" - 12"
1
/16"
1
/
16
"
8" - 12"
Fig.1
Fig. 2
Fig. 3
Lineals
Step 1 
Create a watertight seal:
Apply a 1/8˝ bead of caulk around the 
perimeter of the window or door frame 
before installation.
Apply caulk around the corner of the 
nail fin and where the window or door 
meets the sheathing.
Measure the width of the top of the 
frame and cut a piece of starter strip 
1/8˝ less than the frame. (Fig.1) 
Step 2 
Butt the starter strip against the 
opening, center it and nail every 8˝ to 
12˝ being sure to nail in the center of 
the nailing slots.
 (Starter strips are available for both 
new construction and remodeling 
applications.)
Continue to measure and cut starter 
strips for the other sides of the frame. 
Be sure to cut starter strips 1/16˝ less 
than each measurement. (Fig.2) 
Step 3 
Install the starters. For vertical starter 
strips, nail the first nail in the upper 
most edge of the first slot. All other 
nails should be centered in the slots 
every 8˝ to 12˝. (Fig.3) 
Step 4
Measure and cut the lineals. For
3-1/2˝ lineals add 7˝ to your
measurement in order to
accommodate their widths at corners
For 5˝ lineals, add 10˝.
Lineals should be installed in the 
following order: top, sides, bottom. 
(Fig. 4)
5" Lineal 
=
Window Width +10"
3-1/2" Lineal =
Window Width + 7"
3-1/2" Lineal 
=
Window Height + 7"
5" Lineal 
=
Window Height + 10"
Width
Height
Fig. 4










