10 oz. White Elastomeric Sealant Cartridge (300) by Sudbury Boat Care®. A one-part, fast skinning (10 minutes) and fast curing (24 hours) multi-purpose marine-grade sealant with superior strength, adhesion, elongation and life characteristics. Cures.
Bought this for teak to fiberglass seam. Taped the edges and ran a bead of sealant then quickly pulled tape. Nice look and has held well for 2 years. better price than most and works as well.