Air and/or light leak at top or bottom of jamb – Therma-Tru Doors Troubleshooting User Manual
Page 3

Trouble Shooting
SITE 4
2014
4.3
Air and/or Light
Leak at Top or Bottom of Jamb
Site 5 - Weatherstrip
Replacement
Weatherstrip missing.
Weatherstrip painted.
Weatherstrip cracked, torn or
damaged.
PROBLEM: Air and/or light leak at top or bottom of jamb.
Cause
Solution
Refer to…
Replace weatherstrip.
Bottom corner seal pads
missing or removed.
Replace pads.
SHOP Frame
Assembly Sections
SITE 1 - Pre-hung Unit
Installation for Adjustable
Sills
SITE 1 Corner
Seal Pad Instructions
Door loose in frame, with
excessive in-and-out
movement when latched.
Adjust strike plate for tighter
fit.
SITE 1 - Pre-hung
Unit Installation
Door not meeting weatherstrip
evenly when it closes, hitting
the top or bottom first.
Realign, reshim, readjust
lockside jamb so door
meets weatherstrip evenly
from top to bottom.
SITE 1 - Pre-hung
Unit Installation