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VFSP Series - Fastener Sealing Patch

A die-cut self-adhesive butyl patch for fast, localized sealing around fasteners, screw penetrations and small punctures.

Product Overview

VFSP Series - Fastener Sealing Patch is a die-cut self-adhesive butyl sealing patch designed to seal fastener holes, screw penetrations, nail holes, and small localized punctures in building envelope assemblies.

It provides a quick, localized waterproof and airtight repair layer for membranes, sheathing, roofing details, and related substrates, helping restore protection around small penetrations and damaged areas.

Product Information

ModelSpecificationPackage
VFSP-50Ø 50 mm round patchCustom
VFSP-75Ø 75 mm round patchCustom
VFSP-100Ø 100 mm round patchCustom

Key Benefits

  • Die-cut round patch for fast and consistent installation

  • Self-adhesive butyl layer for localized waterproof sealing

  • Designed for fastener holes, screw penetrations, nail holes, and small punctures

  • Suitable for WRB, housewrap, roofing underlayment, waterproof membranes, and sheathing details

  • Helps maintain continuity of the water-resistive barrier and air barrier at small repair points

Technical Data

ItemDescription
MaterialButyl
Product TypeDie-cut self-adhesive fastener sealing patch
Primary ApplicationsSealing fastener holes, nail holes, screw penetrations, and small punctures in waterproofing or air barrier details
Typical SubstratesWRB, housewrap, roofing underlayment, waterproof membranes, OSB, plywood, MgO board, cement board, and metal
Surface RequirementSubstrate should be clean, dry, firm, and free of dust, oil, and loose particles
Installation NotePress firmly around the full patch area; project-specific adhesion verification is recommended before large-scale use
System Note: For best long-term performance, this product should be used as part of a complete Vantell building envelope moisture management system.

Key Applications

  • Fastener hole sealing
  • Screw penetration sealing
  • Nail hole and small puncture repair
  • Localized waterproofing and airtight repair
  • WRB, housewrap and roofing underlayment patching
  • Sheathing, roofing and membrane detail sealing