Prova Waterproofing Pipe Seal

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A pre-fabricated seal made of cut sections of Prova-Mat with a flexible collar designed to seal pipe protrusions.


Prova Pipe Seal is a thin square polyethylene waterproofing collar designed to provide a secure waterproof connection around pipes protruding from substrates that need to be waterproofed under tile and stone installations. Made of a waterproof fabric (Prova Mat) containing a highly elastic rubber center through which the pipe snugly fits. Prova Pipe Seal is adhered to the substrate with thinset and should be used in conjunction with Prova Mat waterproof membrane installations.

  • Forms secure waterproof seal around pipes
  • Thin water proofing membrane
  • Uniform thickness and coverage
  • No sealant required for bonding to substrate
  • High steam diffusion density
  • High tensile strength
  • Non rotting; fungus and mildew resistant
  • Alkali resistant
  • 4.72" x 4.72" (12 x 12 cm) with 12.5 mm opening

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BrandM-D Building Products
Free shippingYes