Scotchgard FAQ

Invented over 55 years ago, Scotchgard has since become a household name when it comes to carpet protection. A great product for giving fabrics a stronger resistance to stains and dirt, Scotchgard is a commonly used product in carpet cleaning and care and maintenance.

Created by the company 3M, Scotchgard began as the Scotchgard Protector – a stain repellant that helped fabrics extend their like-new look and feel. Scotchgard was invented on accident by two 3M chemists, Patsy Sherman and Samuel Smith, in 1952. Sales of the product began in 1956, and the two chemists received a patent for the formula in 1973.

Created amongst a wave of short-lived fad products, Scotchgard has stood up to the test of time, becoming instantly adopted by domestic and industrial users alike. Today it is still heralded as the leading and most trusted brand of stain repellant for fabrics and carpet on the market.


The Scotchgard unique formula provides unsurpassed protection against liquids, preventing stains and keeping furniture, carpets and clothing from getting damaged. As fabrics changed over time, so too has Scotchgard to match the need of its customers.

3M scientists worked hard to accelerate the pace of innovation, creating more environmentally friendly formulas without sacrificing any of the stain repelling power. Today, Scotchgard products still serve to protect against dirt, stains and repels liquids.


Scotchgard’s brand has withstood the test of time, with its signature tartan plaid logo recognized worldwide as an iconic symbol of reliable stain protection. Scotchgard also takes the lead in environmental leadership in the industry worldwide, and is used in 60 countries.


Scotchgard can be used on rugs, residential and commercial carpet, and automobile carpet. It is recommended to test Scotchgard on an inconspicuous patch of carpet to make sure it doesn’t affect the color or texture of your carpet.


It is recommended to apply Scotchgard when the carpet is brand new to start the life of the carpet off right, with additional protection and durability against dirt and wear and tear. With time, dirt and traffic along with other particulates that end up in carpet will cause the carpet fibers to suffer abrasion and erosion. The more traffic and/or dirt and particulates, the faster the carpet wears down. Scotchgard takes the brunt of this abrasion, but also gets worn down with time.

Additionally, a professional carpet cleaning that uses a deep extraction machine significantly reduces the protective power of Scotchgard. It is recommended to have a periodic cleaning at least once a year by professional carpet cleaners to help maintain the lifespan of your carpet. With that cleaning, it is recommended to reapply Scotchgard Brand Protector after each deep cleaning.

Even if your carpet has mill-applied protection, Scotchgard can and will aid in the further protection of your carpets. Application of Scotchgard, especially in high traffic or high dirt volume areas, will serve to boost the protection of mill treatment.


Under average room conditions of seventy degrees and fifty percent humidity, most of Scotchgard’s products should dry within 12 hours. It’s important to make sure the product has dried before resuming walking on the carpet as normal.

Colder temperatures, more humidity, or heavy applications of product all can contribute to a longer drying time. Turning on fans and ensuring proper ventilation also helps guarantee shorter and more manageable drying times.


It’s important to note that Scotchgard is NOT recommended for wool rugs, oriental rugs, non-colorfast rugs, upholstery and dry cleaning only clothing items.

Scotchgard is recommended for non-white wool rugs that are water-safe. Rugs sometimes have a cleanability code, where “W” or “WS” signifies that it’s safe to be cleaned with water.

Again, as always, check that the product will not adversely affect your carpet by testing in an inconspicuous spot.


Users are often concerned that Scotchgard will alter the feel of the carpet, causing it to become stiff or hardened as a result. This is not the case.

If the product is overapplied or dried too rapidly with fans or heat, the carpet may become stiff. This is an easy fix – simply vacuum the area and the carpet should return to normal.

Scotchgard provides an extra barrier of protection for your carpet, and is worth considering as part of any professional treatment and cleaning process.

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