Please note that you should not clean glass while it is exposed to direct sunlight. This spring cleaning project is perfect for an overcast day. It is always recommended that you follow directions carefully and heed all product warnings.

For stubborn residue and contaminates, you can use soap and mineral spirits:

1. Apply mild soap, mild detergent, Leptyne® solvent (PPG Industries, Inc.), mineral spirits or naphtha solvents to glass either by spraying or using a clean, grit-free cloth or sponge coated with cleaning solution. CAUTION: When using solvents, do not use too much, as damage to the glazing or insulating unit seals can occur. After cleaning the glass with solvents or mineral spirits, immediately clean the frame with soap and water to prevent staining. Follow solvent manufacturer's directions on label for toxicity, handling and flammability warnings.

2. Wipe cleaning solutions on the glass in a circular motion, applying light to moderate pressure. Approximately three to five passes of the affected area may be required to remove the residue.

3. Rinse the glass surface immediately with generous amounts of clean water, removing the cleaning solution from the glass surface.

4. Using a squeegee or clean, lint-free dry cloth, remove water from the glass surface.

5. If glass residue is still evident, repeat steps 1 through 4.

For immovable debris (glue, pitch, etc.), contaminates and scratches, you can clean with toothpaste.  Apply toothpaste to damp cloth and buff in a circular motion until clean. 

For harsher contaminants and scratches you can use a polishing compound. There are compounds on the market, such as cerium oxide, that work well for reducing fine scratches and scuff marks. Any glass supplier will have polishing compounds available for purchase.

If you have any questions regarding window and door service, installation or maintenance. Please contact the Shepley Service Department at 508-862-6219. We'll be happy to walk you through a solution over the phone, or come to your jobsite.