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Updated by user Oct 21, 2022

They came out and applied a 2nd coat, called a "flash coat".

Original review posted by user Sep 21, 2022

It's a different product that I'm used to, being cold, so the fluid doesn't fill cracks as well. I think the spray wand was moved to quickly as I have large areas that do not have solid coverage. I personally don't care about the color being blacker!!Ask

User's recommendation: Ask questions and request another spray or manual spreading.

Preferred solution: Return to overspray a second time as the brochure explains!.

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9-23-22 posted by Shirley White


COAL TAR SEALANTS I read both brochures Donny, (SealMaster). showed me to sell the job as he was doing the neighbor's driveway.

The FSA, Fast Sealing Additive, cures the product quickly. I reviewed Application Tips with Donny which state, "Fog spraying is highly recommended in hot ambient temperatures to facilitate coverage..." (as 9.21.22 was) and "A second coat can be applied as soon as the first coat will take traffic without scuffing. After the 2nd coat, test for trafficability before opening the pavement for regular use." Donny was initially at a neighbor's property and DID NOT do a 2nd coat at either location. We paid cash so there was no check to stop payment, nor a credit card statement to dispute the quality of the service/billing.

When I called the 800 # from Google, the manufacturer said the driveway should have a 2nd coat. I sent pictures to Donny showing small tips of white on my black macadam driveway, indicating none of the tips were coated in the spray process. Additionally, cracks still had sections of old dirt, weeds, etc. not pulled or covered in black coal tar.

He agreed to come out to blow driveway clean of leaves, dirt, seeds, etc. & spray a 2nd coat 9.24.22. Further research reveals the sealant contains toxic compounds known as polycyclic aromatic hydrocarbons, or PAHs. Some cities have banned the sale and use of the product which is toxic to fish & other sea life.

"The toxic dust from coal-tar based sealcoat doesn't stay put. It seeps into water, evaporates into air and gets tracked into people's homes." More than 200 types of PAH compounds are found in coal tar pitch, and at least 7 types of PAHs are classified by the EPA as probably human carcinogens. Cancers linked to PAH exposure: - lung cancer - skin cancer - bladder cancer - gastrointestinal cancer Source: Illinois Dept. of Public Health Cities, counties and states that have banned the use of coal bar- based sealants include: - Austin, Texas - Dane County Wisconsin - DC - Minnesota - Montgomery Co, Maryland - Prince George's County, Maryland - Suffolk Co, NY - Washington state Litigation also includes the cost of removal & clean up of the product.

"Asphalt-based sealants are much more environmentally friendly than coal tar-based sealants.

The levels of PAH in asphalt products are up to 1,000 times lower. Other alternatives with minimal levels of PAH include acrylic sealants and gravel parking lots." Article written by Amy Keller, RN last modified August 18, 2021

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