The instructions say to use a torch I used a small one with adjustable flame and a large one with a three inch diffuser both discolored or burnt the gray sealer. This was applied to one month old concrete that was cleaned two days prior and allowed to dry. If you're wanting to fill a gap and don't care about the looks it will work. Before buying I looked at many reviews and it seemed like a great product but the amount of heat needed seemed to vary and it may be the plastic it's wrapped in. I don't know but I do know I ruined a nice walkway and patio I made for my mother in law
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Used this for years in property management. Clean the crack, use a good MAP GAS torch. Lasts a lifetime.
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Excellent product ..easy to apply and manage...👍🏼
Verified purchase: Yes | Condition: New
Works good
Verified purchase: Yes | Condition: New
Verified purchase: Yes | Condition: New
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