Cromar Hydrosil Seam Sealer & Detailer
A premium silicone multi-purpose mastic for protection of seams, penetrations, and various architectural surfaces and roofing substrates.
Upon cure, Seam Sealer & Detailer forms a durable, breathable and weatherproof barrier that is highly resistant to degradation from UV and natural weathering.
Towel or stiff brush application
Touch dry in 6 hours
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