The ideal silicone for sealing polycarbonate panels in aluminum greenhouse framing. Boss 157 is a 100% neutral-cure silicone that creates a long-lasting, weather-tight seal around panel edges to block cold, rain, heat, and sunlight.
Key Features
Perfect for greenhouse construction: Specifically recommended for sealing polycarbonate panels inserted into aluminum frames
100% neutral cure: Safe for use on polycarbonate and aluminum without damaging materials
Low odor: More pleasant to work with than traditional acetoxy silicones
Wet-weather application: Can be applied even in damp conditions
Clear finish: Blends cleanly with polycarbonate and aluminum for a professional look
Made in the USA
Use Boss 157 to seal panel edges, joints, and gaps for a durable, weatherproof greenhouse that stays tighter against the elements year-round.
