Anderson LeakMaster FS4B Flexible Pool Repair Sealer, Blue, 4 oz

Repair select pool leaks and sealing points with the Anderson LeakMaster FS4B. This blue, 4 oz nitrile rubber-based sealant bonds directly to pool materials, including vinyl, and can even be applied underwater for targeted, hassle-free repairs.

🚩 PRO TIP: For small repairs, choose this flexible sealant when the application requires an underwater-capable product that remains flexible after curing.

PRODUCT FEATURES & SPECIFICATIONS

• Brand: Genuine Anderson Manufacturing Company (LeakMaster)
• Manufacturer Part Number (MPN): FS4B
• BayState Product Number: ANDFS4B
• Size: 4 oz tube
• Color: Blue
• Base: Nitrile rubber formulation
• Applications: Vinyl leaks (with or without a patch), liner-to-fitting seals, small suction-side plumbing leaks, thread sealing, and small gunite or plaster cracks
• Features: Can be applied underwater and remains flexible after curing

FREQUENTLY ASKED QUESTIONS

Can Anderson FS4B be applied underwater?
Yes. The advanced nitrile rubber formulation allows the sealant to be applied completely underwater, saving you from having to drain the pool.

What types of pool repairs can FS4B seal?
It can seal vinyl leaks with or without a patch, seals between pool liners and face plates or fittings, small suction-side plumbing leaks, threads, and small cracks in gunite or plaster.

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• ✅ Fast, reliable shipping on every order
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