Anderson Manufacturing Co, Inc FS4B Flexible SealerAnderson Item Number FS4B
4 Oz Tube Blue

Nitrile rubber-based sealant provides a strong adhesive bond to most any material found around the swimming pool, even vinyl. Squeeze from the tube directly onto the material to be sealed. Flexible Sealer will skin over in seconds allowing it to be flattened with a wet finger. Cures flexible in minutes to hours depending on application thickness.

Seal vinyl leaks with or without a patch.
Seal between liner and face plates or fittings.
Use as a thread sealant or on small suction side plumbing leaks.
Seal small cracks in gunite or plaster.
Can be applied underwater.