Improve your driving visibility in wet weather with SOFT99 Glaco Roll On Double Large 120ml, a Japanese automotive glass coating designed to repel rainwater and help maintain a clearer view through your windshield. Featuring SOFT99's established Glaco water-repellent technology, this easy-to-apply glass sealant creates a hydrophobic layer that causes rainwater to form beads and move off the treated surface as your vehicle travels.
Unlike ordinary automotive glass cleaners, Glaco Roll On Large provides a dedicated water-repellent treatment that helps reduce the amount of rainwater remaining on your windshield. As water beads up and rolls away, visibility can improve during rainy commutes, highway driving, and other wet-weather conditions.
The convenient built-in felt applicator makes application straightforward, while the generous 120ml bottle offers excellent value for vehicle owners who want to protect their windshield and other suitable exterior glass surfaces.
SOFT99 indicates that its Glaco water-repellent technology can help move rainwater off the glass at driving speeds of approximately 45 km/h and above. Actual performance varies with rainfall, airflow, vehicle speed, glass condition, and application quality.
Whether you're preparing for Canada's rainy seasons, maintaining your vehicle's exterior glass, or looking for a practical alternative to conventional windshield treatments, SOFT99 Glaco Roll On Double Large delivers convenient application, strong water repellency, and improved wet-weather driving comfort.
Strong water repellency: Creates a hydrophobic surface that encourages rainwater to bead and roll off the glass.
Improved wet-weather visibility: Helps reduce water accumulation on the windshield during rainy driving.
Convenient built-in applicator: The integrated felt head makes application easy without requiring a separate applicator pad.
Large 120ml bottle: Provides more product for multiple applications and excellent value for regular vehicle maintenance.
Fast application process: Apply the coating, allow it to dry for approximately 5–10 minutes, and remove the residue.
Suitable for multiple exterior glass surfaces: Can be used on compatible exterior automotive glass, including windshields and windows.
Supports easier glass maintenance: The water-repellent surface helps reduce the amount of water remaining on treated glass.
Helps reduce stress during rainy driving: Water repellency can improve visibility and driving comfort when weather conditions change.
Japanese automotive detailing technology: Developed by SOFT99, a specialist in automotive cleaning and surface protection.
SOFT99 Glaco Roll On Large uses a silicone-based water-repellent formulation to create a hydrophobic layer on properly prepared automotive glass.
On untreated glass, rainwater can spread across the surface or remain as droplets that interfere with visibility. After applying Glaco, water tends to form more distinct beads and move away from the treated surface more readily.
As the vehicle travels, airflow can help carry these droplets away. SOFT99 indicates that the water-repellent effect can support reduced reliance on windshield wipers at approximately 45 km/h and above under suitable conditions.
However, water repellency does not eliminate the need for functioning windshield wipers. Heavy rain, low speeds, spray from surrounding traffic, and changing weather conditions may still require continuous wiper use.
Important: Glaco Roll On Large is a glass coating, not a glass cleaner or scratch-removal compound. For the most consistent results, prepare the glass properly before applying the product.
The 120ml Glaco Roll On Large is designed for drivers who want straightforward application and dependable water-repellent performance without the need for specialized detailing equipment.
Its integrated felt applicator allows you to apply the product directly to dry glass, while the generous bottle size makes it practical for treating multiple windows or maintaining more than one vehicle.
It is particularly useful for:
Improving water repellency on a vehicle's windshield.
Preparing a vehicle for rainy driving conditions.
Treating suitable exterior side and rear windows.
Maintaining a regular automotive glass protection routine.
Reducing water accumulation on the windshield during highway driving.
Refreshing glass protection after the previous coating has worn away.
For drivers in Canada, a properly applied rain-repellent coating can be especially useful during rainy spring and autumn weather. It may also help with routine glass maintenance in other seasons, although winter conditions require additional care.
Proper glass preparation is essential for achieving an even coating and maximizing water repellency.
Wash the vehicle thoroughly and remove loose dirt, road grime, and other contamination from the glass.
For best results, use a dedicated glass compound such as SOFT99 Glaco Compound Roll On to remove stubborn traffic film, oily residue, and remnants of previous coatings where appropriate.
A glass cleaner alone may not remove all bonded contamination or an existing hydrophobic coating.
Rinse away any remaining cleaning compound and dry the glass thoroughly.
The glass must be clean and completely dry before applying Glaco Roll On Large. Moisture, dirt, and oily residue can interfere with the formation of an even protective layer.
Avoid applying the product in direct sunlight or on hot glass.
Remove the cap to expose the integrated felt applicator.
Press the felt head gently against the glass and squeeze the bottle lightly to release the liquid. Use only enough product to keep the applicator supplied while maintaining an even application.
Spread the product across the glass using overlapping horizontal and vertical motions.
Work methodically across the windshield, ensuring that the entire intended surface is covered without leaving gaps. Incomplete coverage can result in inconsistent water repellency.
For larger windows, work in manageable sections so you can monitor coverage and drying time.
Avoid contact with painted panels, plastic trim, rubber seals, and other unapproved surfaces.
Allow the coating to dry for approximately 5–10 minutes, depending on temperature and humidity.
The surface may develop a light white haze as the product dries. This is normal and indicates that the coating is ready for removal according to the manufacturer's instructions.
Do not wipe the product off immediately after application, as this can spread the coating unevenly and reduce performance.
Using a clean, soft microfibre towel lightly dampened with water and thoroughly wrung out, wipe the glass to remove the dried residue.
Follow up with a clean, dry microfibre towel to remove remaining moisture and ensure a clear finish.
Inspect the glass from several angles to confirm that no white residue, streaks, or missed areas remain.
Check the windshield and other treated windows under good lighting.
The finished glass should be clear and free from visible residue. If you notice streaking or uneven coverage, consult the product instructions before attempting any correction.
Always ensure that your windshield and windows provide clear visibility before driving.
Proper maintenance helps preserve the hydrophobic performance of your newly treated glass.
Use a quality automotive shampoo and clean wash media to remove road grime and other contamination.
Avoid allowing heavy dirt, road salt, or oily traffic film to accumulate on the windshield. Regular washing helps maintain clear glass and allows you to assess the condition of the coating.
Choose a washer fluid compatible with water-repellent glass coatings. SOFT99 advises against using oil-film-removing washer fluids with Glaco Roll On Large, as these may reduce the coating's performance.
Check the washer-fluid label and product compatibility before use.
Inspect your wiper blades regularly and replace them when the rubber becomes worn, damaged, or ineffective.
Old or damaged wiper blades may chatter or judder on treated glass. A coating cannot compensate for deteriorated wipers, and worn blades can affect visibility even when water repellency is working correctly.
Avoid abrasive cleaners, aggressive chemical treatments, and incompatible glass coatings unless the manufacturer confirms that they are suitable for use with Glaco.
If you need to remove the coating or prepare the glass for a fresh application, use a suitable glass compound and follow its instructions.
Observe how rainwater behaves on the windshield during routine cleaning or when the vehicle is stationary.
If the coating becomes less effective, clean the glass and assess whether contamination or normal wear is responsible. Reapply the product when necessary, following the complete preparation and application process.
Rain, road salt, frequent washing, temperature changes, and environmental contamination can affect coating performance.
Before winter, inspect the glass, clean it thoroughly, and ensure your wipers and washer system are in good condition. Water repellency may help with routine maintenance, but it does not replace proper snow and ice removal.
Apply only to clean, dry glass: Moisture and contamination can prevent uniform coating formation.
Do not use on interior glass: Glaco Roll On Large is intended for exterior glass surfaces.
Avoid transparent plastic: Do not use it on acrylic, polycarbonate, headlights, helmet visors, or other transparent plastic surfaces.
Do not apply over an existing coating: SOFT99 advises against applying this product to glass that already has a hydrophobic or other specialized coating. Prepare the glass according to the manufacturer's instructions first.
Avoid hot glass and direct sunlight: The product may dry too quickly and become difficult to remove evenly.
Do not wipe it off too early: Allow approximately 5–10 minutes for the coating to dry before removing the residue.
Remove all residue: Remaining haze can interfere with clear visibility.
Protect surrounding surfaces: Wipe off accidental contact with unapproved surfaces promptly using a clean towel, following the manufacturer's directions.
Use suitable washer fluid: Avoid oil-film-removing washer fluids that may reduce water repellency.
Watch for temporary cloudiness: Changes in temperature or humidity, including entering or leaving a tunnel, may temporarily cause glass to appear white. Use the wipers immediately if this affects visibility, and do not continue driving unless visibility is adequate.
Wear suitable protective gloves: The formulation may irritate skin.
Avoid inhalation and ingestion: Use in a well-ventilated area and keep the product away from your face and body.
Keep away from ignition sources: The product is flammable. Keep it away from heat, sparks, and open flames.
Store correctly: Keep the cap tightly closed and store below 40°C, away from direct sunlight. Do not leave the product inside a vehicle.
Keep out of reach of children: Follow all precautions and disposal instructions on the product label.
It is a water-repellent coating for exterior automotive glass. It creates a hydrophobic surface that encourages rainwater to bead and roll away, helping improve visibility during wet-weather driving.
SOFT99's European product information lists approximately three months of durability under suitable conditions. Actual performance depends on preparation, weather, washing frequency, wiper use, and environmental exposure.
SOFT99 indicates that its Glaco Roll On Large technology can help move rainwater off the glass at approximately 45 km/h and above. This is a performance guideline, not a guarantee of wiper-free visibility under every condition.
Yes, it can be used on suitable exterior automotive glass, including side and rear windows. Do not use it on interior glass or unapproved plastic surfaces.
SOFT99 advises against applying the product to glass that is already coated. Prepare the surface appropriately before application, using a suitable glass compound where necessary to remove the previous coating and contamination.
For best results, proper glass preparation is recommended. Glaco Compound Roll On can help remove stubborn contamination and existing coatings, creating a clean surface for a fresh application.
The need for compound treatment depends on the condition of the glass and whether a previous coating remains.
A light white haze can develop as the coating dries. This is expected before buffing. Allow the product to dry for approximately 5–10 minutes, then remove the residue with a clean, damp, thoroughly wrung-out towel.
If cloudiness remains after wiping, inspect the surface and consult the product instructions before driving.
Yes, provided application conditions are suitable and the glass is clean and completely dry. Cold temperatures and condensation can affect application and visibility, so follow the product instructions and allow the coating to dry properly.
The product does not replace snow and ice removal or properly functioning windshield wipers.
SOFT99 advises against oil-film-removing washer fluids because they may reduce the coating's performance. Choose a washer fluid compatible with hydrophobic glass coatings.
Wiper judder may result from old or damaged blades, contamination, or residue left on the glass. Inspect the wipers, clean the windshield appropriately, and ensure that the coating residue has been removed completely.
The water-repellent surface may influence how moisture behaves on the treated glass, but this product should not be relied upon as an ice-prevention solution. Always remove snow and ice properly before driving.
SOFT99's European product information lists approximately ten windshield applications. Actual coverage depends on windshield size, application technique, and how much product is used.
Brand: SOFT99
Product name: Glaco Roll On Double Large
Product code: G-38
Size: 120ml
Product type: Automotive glass water-repellent coating
Application method: Integrated felt applicator
Key ingredients: Silicones, acids, and alcohols
Intended use: Exterior automotive glass
Primary benefits: Water repellency, improved wet-weather visibility, and easier glass maintenance
Application drying time: Approximately 5–10 minutes before residue removal
Advertised durability: Approximately three months according to SOFT99's European product information; actual results vary
Country of origin: Japan
For the best results, combine Glaco Roll On Large with suitable products for preparation and maintenance:
SOFT99 Glaco Compound Roll On 100ml: Removes stubborn contamination and old coatings during glass preparation.
SOFT99 Glaco Ultra: Offers a longer-lasting water-repellent coating for compatible exterior glass.
SOFT99 Glaco De Cleaner 400ml: Helps clean glass and maintain compatible water-repellent treatments.
SOFT99 Glaco Mirror Coat Zero 40ml: Provides specialized ultra-hydrophobic protection for compatible exterior side mirrors.
Use each product according to its intended purpose. In particular, prepare glass before applying a new coating and avoid combining incompatible treatments.
If you're looking for an easy-to-apply windshield rain repellent, SOFT99 Glaco Roll On Double Large 120ml combines convenient application with effective water-repellent performance.
Its integrated felt applicator makes it simple to treat your windshield, while its hydrophobic coating helps rainwater bead and move away from the glass during wet-weather driving.
For the best results, prepare the glass thoroughly, apply an even layer, allow it to dry, and remove all residue. Maintain the coating with compatible cleaning products and properly functioning wipers to support clear visibility throughout the year.
