A premium silicone multi-purpose mastic for protection of seams, penetrations, and fasteners on 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.

Technical Data Sheet

https://www.cromarbuildingproducts.com/wp-content/uploads/2019/08/Cromar-Hydrosil-Seam-Sealer-Detailer.pdf