Interlux 30Q Seam Compound, Brown (below waterline), Qt., 6/case

Easily applied by putty knife, Seam Compound Brown has been specifically designed for filling seams of wood boat bottoms and keel joints that flex. It remains durable and flexible even after it’s been immersed to absorb expansion and contraction of planks.

• Highly adhesive when applied over surfaces that have been properly primed
• Remains durable and flexible after immersion
• Easily applied by putty knife