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Perfect Seal Coating is a Londonderry, NH paving contractor providing asphalt sealcoating, line striping, crack filling, and sports-court repair and resurfacing for driveways, parking lots, and recreational surfaces. Reviews from 2024 to 2026 are uniformly 5-star, repeatedly praising the professionalism and quality of work done by Marcelo Simanek, including from a commercial customer who has returned three times for parking-lot sealcoating.
Marcelo Simanek of Perfect Seal delivers excellence from start to finish. Professional, meticulous, and incredibly reliable, Marcelo takes pride in every detail and ensures the job is done right the first time. His workmanship, communication, and commitment to quality truly set him apart. A true class act — highly recommended! My driveway looks better than the day I moved in!
What a great job Perfect Seal did on my driveway.Marcelo Simanek did the work.He was amazing,My driveway looks brand new.Marcelo,thank you and Perfect Seal for the best experience.l absolutely recommend Perfect Seal to anyone who needs a true professional like Marcelo Simanek.The price for the work done was absolutely affordable.
Today is the third time over the past few years I'm using Perfect Seal for my commercial parking lots and they do a great job! I highly recommend.
Excellent job! I highly recommend Perfect Seal. My driveway looks awesome
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1 change recorded — last scanned Sep 19, 2026.
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