All Therma-Tru door systems and associated components should be inspected and checked at least once a year for the following conditions: fading of door finishes, weatherstrip seal inadequacies, door bottom gasket or sill gasket wear, and vinyl threshold or oak riser splitting or cracking. Upon inspection if any of these components fail to function, they should be repaired or replaced as follows.

- Door Finishes
Clearcoats and Stains
All exterior finishes are affected by exposure and weathering from the sun, moisture and air pollutants. A simple application of a maintenance coat of top coat will renew the protection over the stained surface on Classic-Craft and Fiber-Classic door slabs Before top coat fails, reapply fresh topcoat. Clean first with a household detergent and water. Rinse and let dry. Reapply the topcoat approximately every 3-5 years or when gloss fades. Fading will vary.

HINT:Pull out and compare the sample that was finished when door was new to the door periodically. When compared to the sample, if the door seems rough or has lost its gloss, you need to re-topcoat your door.

Paint on Classic-Craft or Fiber-Classic Doors
For fading, cracking, splitting, etc., of painted Classic-Craft or Fiber-Classic doors, stripping and refinishing maybe required. Refer to SITE3 for proper instructions on stripping and refinishing door slabs.

Paint on Smooth-Star or Steel Doors
For cracking, splitting or deteriorating paint finishes on steel doors, lightly sand surface of door and touch up to match overall finish.

Special Note for Outswing Door Systems
Swing-out doors must have all edges - sides, top and bottom - finished. Inspect and maintain these edges regularly as all other surfaces.
Refer to SITE 2 Finishing Instructions of the Product Manual for more details.

- Weatherstripping
If the weatherstripping fails to perform (i.e., not sealing the door system properly, cracking, tearing, etc.) the weatherstrip needs to be replaced.
Remove the existing weatherstripping and replace.
Refer to SITE 5 Weatherstrip Replacement for proper installation of replacement weatherstrip.

- Door Bottom and Sill Gaskets
If the door bottom gasket fails to perform (i.e., splitting, cracking, pulling away from door slab, etc.), the door bottom needs to be replaced with a new door bottom.
See SHOP3 for proper door bottom installation.
If the sill gaskets on outswing sills fails to perform (i.e., splitting, cracking, etc.), the sill gasket needstobereplaced. Pull the existing gasket and replace the gasket for proper functioning of the sill. Refer to COMP11 Sills for proper replacement part to order.

- Oak Risers for Adjustable Sills
If the oak riser for an adjustable sill fails to perform (i.e., splitting, cracking, etc.), the oak riser needs to be replaced. Remove the existing riser and replace. Refer to SITE5 for proper oak riser selection and replacement installation.

- Vinyl Thresholds
If the vinyl threshold fails to perform (i.e., splitting, cracking, etc.), the vinyl threshold needs to be replaced. Remove the existing threshold and replace. Refer to SITE 5 for proper vinyl threshold selectionandreplacement installation.

- Corner Seal Pads
If corner seal pads are torn or missing, replace corner seal pads. Refer to SHOP4 or SITE1 for adjustable and self-adjusting sills.

- Sealing/Resealing Areas
If a caulk seal fails to perform (i.e.water leakage), remove existing seal and reseal area. Refer to Product Manual table of contents for specific door type and sealing condition.