Therma-Tru Doors Installation - Manual (Page 37)

Installation
SITE 1 2014 1.37
Coastal Astragal 2 Installation Instructions
Open door and drill 3/8” diameter hole at overhead
in wood frame 2” deep.
Drill 1/2” diameter hole through threshold 2-1/4”
deep. If sub-floor material is masonry, a 1/2” diameter
masonry drill bit will be needed to complete hole.
Apply significatnt amount of sealant to threshold
hole to seal sub-floor interface area.
2 DRILL HEAD AND SILL BOLT HOLES.
Rev. 12/20/02
4
Position keeper plates as shown at
overhead and sill holes.
Fasten plates with (2) #8 x 2-1/2” screws.
INSTALL KEEPER PLATES.
Astragal Keeper Plates
with
#8 x 2-1/2” screws
3 INSERT ASTRAGAL FILL PLUG INTO
THRESHOLD.
Apply additional sealant to underside of lip of
sill plug.
Fit should be tight, sealant will act as adhesive.
Deep Sill Plug