Boss 315 Clear Silicone Sealant – Waterproof & Flexible Adhesive 8oz
Professional-Grade Sealant for Pools, Spas, and More
When you need a reliable, waterproof bond that can handle constant exposure to moisture, heat, and pressure, reach for Boss 315 Clear Silicone Sealant. This high-performance adhesive and sealant comes in an 8oz pressure can, delivering precise application and long-lasting flexibility.
Boss 315 is perfect for sealing and fixing pool and spa fixtures. It also works well for plumbing connections and other wet areas. Professionals trust it for its strength, durability, and resistance to mold and mildew. Whether you’re handling a small DIY repair or a major pool equipment installation, this sealant delivers the performance you need.
Why Choose Boss 315 Clear Silicone?
Not all silicone sealants are equal. Boss 315 is specifically formulated for superior performance in aquatic and outdoor applications. Benefits include:
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100% Waterproof – Creates a watertight seal to prevent leaks in pool and spa plumbing.
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Flexible Bonding – Expands and contracts with changing temperatures without cracking.
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Mildew-Resistant Formula – Guards against mold, mildew, and bacteria growth.
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Fast Curing – Skins over quickly and achieves full cure in 24 hours.
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High Adhesion – Bonds to glass, ceramic, plastic, metal, and more.
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Crystal Clear Finish – Blends seamlessly for invisible repairs.
For pool owners, contractors, and maintenance crews, Boss 315 provides both strength and flexibility in one professional-grade product.
Applications for Pool and Spa Maintenance
Boss 315 Clear Silicone is engineered for a wide range of uses in pool, spa, and general waterproofing applications, including:
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Sealing pool and spa lights and niches
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Plumbing connections and fittings
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Return jets and skimmer assemblies
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Pump housings and equipment gaskets
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General waterproof sealing around tile, glass, and plastic
Because it adheres to a wide range of surfaces, Boss 315 is a versatile solution for repairs and installations.
How to Apply Boss 315 Clear Silicone
Applying this silicone sealant is quick and straightforward:
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Clean the surface – Ensure the area is free of dirt, grease, or old sealant.
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Apply the sealant – Using the pressure can, dispense a continuous bead along the joint or fitting.
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Tool the bead – Smooth the sealant with a finger or tool for a clean finish.
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Allow to cure – Skins in minutes, cures fully in 24 hours depending on humidity and thickness.
Once cured, the seal remains permanently flexible, waterproof, and resistant to pool chemicals.
Built for Harsh Conditions
Pool and spa environments are demanding, with constant exposure to water, chemicals, and fluctuating temperatures. Boss 315 is formulated to handle these conditions with ease:
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Temperature Resistant – Performs in hot sun or cold weather without failing.
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Chemical Resistant – Stands up to chlorine, bromine, and pool balancing chemicals.
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UV Stable – Maintains integrity even under direct sunlight.
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Long-Term Flexibility – Prevents cracking or shrinking over time.
This makes Boss 315 one of the most dependable sealants for aquatic applications.
Cost-Effective and Professional Results
Using Boss 315 means fewer call-backs, longer-lasting repairs, and better protection for pool equipment. For homeowners, it offers peace of mind that every seal is watertight. For professionals, it provides confidence that installations will last.
And at an affordable price for an 8oz pressure can, you get both quality and value in one product.
Key Features of Boss 315 Clear Silicone Sealant
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Professional-grade waterproof adhesive and sealant
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8oz pressure can for easy, controlled application
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Flexible, mildew-resistant, and chemical-resistant formula
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Bonds to glass, ceramic, metal, plastic, and pool equipment
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Transparent finish for seamless repairs
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Quick curing with long-term durability
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Ideal for pools, spas, plumbing, and outdoor use
FAQ – Boss 315 Clear Silicone Sealant
Q: Can this sealant be used underwater?
A: Boss 315 is designed for sealing pool and spa equipment but should be applied to dry surfaces. Once cured, it forms a waterproof seal.
Q: Is this safe to use around pool water chemistry?
A: Yes. Boss 315 is resistant to chlorine, bromine, and other pool chemicals.
Q: How long does it take to cure?
A: It skins over in minutes and cures fully in about 24 hours, depending on humidity and thickness.
Q: Does the clear finish stay transparent over time?
A: Yes, the crystal-clear formula maintains clarity and resists yellowing.
Q: Can this be used on non-pool applications?
A: Absolutely. It’s also great for household waterproofing, windows, glass, kitchens, bathrooms, and outdoor projects.
