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Black mastic is a potentially hazardous material. This is because a wide range of black mastic products contain asbestos, a dangerous material that is known to cause mesothelioma, a life-threatening condition. During the mid 20th century, contractors used black mastics routinely as a glue-like flooring adhesive. If your house was built before 1989, (the year it was banned) the black mastic adhesive used is almost certain to contain asbestos due to how effective and cheap it was to make and use. Manufacturers at that time did not know about the potential health risks of asbestos and added it to their black mastic products. Decades later when property owners choose to remove and replace old flooring, they are confronted with a serious problem and often ask professional contractors if it is safe to seal black mastic rather than remove black mastic.

Property owners can safely seal black mastic and then cover it with paint, epoxy, or their flooring material of choice. Many professional contractors now feel that this is the best solution for dealing with a potentially hazardous material. Black mastic is delicate. It can easily break down when workers attempt to remove it. That breakdown or deterioration can cause asbestos particles to be released into the air where they can be breathed in. That is a major health risk for workers and building occupants.

The Problem with Black Mastic Removal

To remove the black mastic, contractors must keep the material wet to reduce the risk of releasing airborne particles. Once they soak the material on hot water, they can begin to chisel off the mastic. However, it can be a tedious and difficult job to remove black mastic. This material requires that construction workers must not only wear a respirator, but also be outfitted with other safety equipment like goggles, protective outerwear, and rubber boots. Black mastic can also can be removed by using soy gels, but this process is messy and requires the disposing of the asbestos debris. In addition, once completed, the floors cannot be painted, and are left with an oily residue.

The removal of black mastic can be stubborn, so removing it is frequently a time-consuming job. Mastics can also be removed by grinding or shotblasting, but only if done by asbestos abatement certified professionals. Because of the risks and difficulties, contractors tend to charge a premium rate for this type of service. Homeowners should consider another alternative rather than attempting this type of project themselves.

Sealing Black Mastic

The best alternative to removing black mastic is to seal it. Many contractors prefer to seal black mastic because it is safer, more affordable, and much easier. Once sealed, the black mastic is no longer a risk. It cannot cause particles of asbestos to be released into the air because they have been completely and effectively sealed.

By opting to seal old black mastic, property owners can avoid the risk associated with removing black mastic and still effectively prepare their flooring for new coverings. Once the black mastic is sealed, the floor can be coated with epoxy, painted, or adorned with any other flooring material like hardwood, tile, or carpeting.

The three most common non-toxic ways to seal mastic without removing is to use a cement overlay material such as Ardex, a coating-like sealer such as Fiberlock, or a sealer/primer such as PerfectPrimer or PerfectPaint.

The Ardex is a cement used to level the floor. It generally needs to be applied by a masonry professional. The Fiberlock is mainly used for asbestos pipes and other similar areas to contain asbestos fibers.

PerfectPrimer is a simple roll-on application that can be used by Do-It-Yourselfers or professionals to seal and prime the floor so it can coated with paint or epoxy. PerfectPaint is an all-in-one coating that seals, primes and paints the floor. They are both popular choices because they were specifically developed to seal black mastic and its harmful contaminants.

How PerfectPrimer Seals Black Mastics

PerfectPrimer Products developed PerfectPrimer in order to seal asbestos black mastic. It can be used to coat any black mastic adhesive. Since it seals and primes the surface at the same time, there is no need to remove cutback glue or materials like black mastic. The result is a mess-free job that is safer and less challenging than removing the black mastic.

PerfectPrimer is a non-toxic sealer. While stubborn black mastic removal may require the use of chemical solvents, that is not the case with sealing it. PerfectPrimer contains no toxic ingredients or unpleasant odors, and it can be easily cleaned up with water. Homeowners and contractors can use this product to safely seal black mastic. This also serves as a primer. Once dried, they can apply their preferred finish or cover the floor with new flooring material.

Why Contractors Prefer Sealing Black Mastic over Black Mastic Removal

Many contractors have made PerfectPrimer their go-to choice for dealing with black mastics. This product can be used in residential and commercial settings to safely cover asbestos black mastic. In addition, PerfectPrimer makes short work of any black mastic situation. Contractors can seal the black mastic, and move on with their project quickly.

PerfectPrimer and Its Sealer Solutions

PerfectPrimer Products produces a professional-grade line of effective sealing products for a wide range of surfaces and applications. Browse through our website to learn more about PerfectPrimer and its effectiveness as well as other sealers and coatings that can enhance your next remodeling or renovation project.