Therma-Tru Doors Troubleshooting
SITE 4 Troubleshooting
Air and/or Light Leak at Top or Bottom
of Jamb ............................................................... 4.3
Water Leakage Around or Under Sill ...............4.4
Water Leakage Around
Door/System Perimeters ................................... 4.6
Water Leakage Around Lites ............................4.7
Water Leakage Around
Fiber-Classic Designline Panels ...................... 4.8
Door Will Not Open or Close Properly .............4.9
Spring Loaded Hinge
Adjustment Instructions ................................. 4.10
Classic-Craft & Smooth-Star Raised
Panels are Loose or Have Come Off. ............. 4.11
Miniblinds Does Not Operate Properly .......... 4.12
Trouble Shooting
SITE 4 2014 4.1
Trouble Shooting
4.2 2014 SITE 4
Air and/or Light
Leak at Top or Bottom of Jamb
PROBLEM: Air and/or light leak at top or bottom of jamb.
Cause
Weatherstrip missing.
Weatherstrip painted.
Weatherstrip cracked, torn or
damaged.
Bottom corner seal pads
missing or removed.
Door loose in frame, with
excessive in-and-out
movement when latched.
Solution
Replace weatherstrip.
Replace pads.
Adjust strike plate for tighter
fit.
Refer to…
Site 5 - Weatherstrip
Replacement
SHOP Frame
Assembly Sections
SITE 1 - Pre-hung Unit
Installation for Adjustable
Sills
SITE 1 Corner
Seal Pad Instructions
SITE 1 - Pre-hung
Unit Installation
Trouble Shooting
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
SITE 4 2014 4.3
Water Leakage Around or Under Sill
PROBLEM: Water leakage around or under sill.
Door not meeting weatherstrip
evenly when it closes, hitting
the top to bottom first.
Damaged or painted
weatherstrip.
Improper/insufficient sealant
and/or sealant breakdown
between sill and subfloor.
Broken seal where the sill
meets the jamb.
Sill humped or depressed
beyond range of door
bottom’s sealing capacity.
Trouble Shooting
Cause
Solution
Realign, reshim, readjust
lockside jamb so door
meets weatherstrip evenly
from top to bottom.
Replace weatherstrip.
Reseal under sill using
Elastomeric and Polyurethane
sealant.
Remove corner seal pad, pull
out weatherstrip at bottom, and
place a bead of Elastomeric and
Polyurethane sealant along
entire joint where jamb and sill
meet. Replace weatherstrip
and reapply corner seal pad.
Anchor sill to draw down
straight by drilling pilot
holes and securing with
galvanized screws.
Replace any wrinkled/torn
door bottom.
Refer to…
SITE 1 - Pre-hung
Unit Installation
SITE 5 - Weatherstrip
Replacement
SITE 1 - Pre-hung
Unit Installation
SITE 1 - Pre-hung
Unit Installation
Humped sill.
Damaged sill saddle causing
door bottom bulb seal to
bunch up and wrinkle when
the unit closes.
Shim jamb legs up to allow
sill to straighten. Reseal with
Elastomeric and Polyurethane
sealant under sill and anchor
sill in place.
Replace the saddle and
screw down.
SITE 5 - Adjustable Sill
Threshold Replacement
4.4 2014 SITE 4
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