Certified by A1 Professional Asphalt & Sealing • Oct 04, 2026
Asphalt Contractor
A1 Professional Asphalt & Sealing provides asphalt maintenance, asphalt paving, asphalt repairs, concrete installation, concrete repair, concrete replacement, parking lot bollards, parking lot markings, parking lot signage, and parking lot striping to the St.Louis, MO area.
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Credit cardNot available
Onsite servicesAvailable
Location
Certified by A1 Professional Asphalt & Sealing • Oct 04, 2026
Certified by A1 Professional Asphalt & Sealing • Oct 04, 2026
Monday8:00 AM - 4:00 PM
Tuesday8:00 AM - 4:00 PM
Wednesday8:00 AM - 4:00 PM
Thursday8:00 AM - 4:00 PM
Friday8:00 AM - 4:00 PM
SaturdayClosed
SundayClosed
Reviews
4.6
11 reviews
5 stars
10
4 stars0
3 stars0
2 stars0
1 star
1
NR
Nikki Reno
Sep 28, 2026
5.0
Great company to work with!
CP
Chris Pugeda
May 6, 2026
5.0
A1 did a great job on my small business lot. Initially I was concerned because some of the crack sealer separated and left gaps but they came back the next day and corrected everything with a great attitude.
BV
Brian Villegas
Jan 21, 2023
5.0
Always pleasant dealing with your group of professionals! Appreciate the good work.
KK
Kevin Kidd
May 22, 2019
1.0
If you call this toll free number you get an answering service in New England and they don't have a clue who A1 is...
Frequently Asked Questions About A1 Professional Asphalt & Sealing
How do I know if my commercial parking lot needs asphalt repair?
Warning signs include visible cracks, potholes, pooling water, deteriorating edges, and surfaces that appear uneven. Taking care of these issues early helps prevent more serious damage that costs significantly more to fix.
How often should parking lot striping be repainted?
Commercial parking lots should have their striping refreshed when the lines and markings start to fade and become hard to see clearly.
Why is parking lot striping important for businesses?
Well-maintained striping enhances safety, optimizes traffic patterns, ensures ADA compliance, and presents a polished, professional image to both customers and employees.
How often should a commercial parking lot be sealcoated?
Commercial asphalt typically requires sealcoating every 3-5 years to maintain protection against weather conditions, UV rays, oil spills, and regular use.
What are the benefits of sealcoating asphalt?
Sealcoating prolongs the lifespan of your pavement, enhances its visual appeal, prevents water damage, and minimizes future repair expenses. A1 applies Polymer Modified Masterseal (PMM), an asphalt-based emulsion enhanced with sand for superior traction, delivering a durable, slip-resistant surface with extended protection.
How long does sealcoating take to dry?
Drying time usually ranges from 24-48 hours, influenced by temperature, humidity levels, and current weather. We advise keeping all vehicles away from the treated area until it has completely cured.
What parking lot markings are required for ADA compliance?
ADA standards generally require designated accessible parking spaces, properly sized access aisles, appropriate signage, and pavement markings that conform to federal accessibility regulations.
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