Delta FlexiDri Plugs are patented expandable fixing plugs designed for securing Delta cavity drainage membranes to masonry substrates. Featuring an integrated self-sealing grommet and a watertight expansion pin, these advanced fixings eliminate the need for additional sealing materials such as Delta Rope—ensuring a quick, clean, and fully watertight installation.
Exclusive to Delta Membrane Systems Ltd, Delta FlexiDri Plugs are engineered for use in basement waterproofing and internal damp-proofing systems, offering a secure mechanical fixing without compromising the performance of the waterproof membrane.
Key Features
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✅ Self-Sealing Design – Built-in grommet ensures a watertight and vapour-tight seal with no additional Delta Rope required
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✅ Expandable Watertight Pin – Expands inside the substrate for a secure, reliable grip
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✅ Central Shank – Accommodates 5mm diameter / size 10 screws up to 30mm depth
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✅ Multi-Use Capability – Supports the attachment of timber battens, dry lining systems, or cavity wall ties
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✅ No Mess, No Fuss – Faster installation with reduced components
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✅ Dimensions: 10mm shank x 90mm length
Applications
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Fixing Delta cavity membranes (e.g., Delta MS500) to concrete, brick, or stone substrates
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Suitable for both retrofit and new-build waterproofing systems
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Used where mechanical fixings and internal finishing systems (e.g., dry lining) are required
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Ideal for below-ground waterproofing where reliability and ease of installation are essential
Delta FlexiDri Plugs offer an efficient and fully sealed solution for fixing membranes while maintaining complete integrity of your Type C waterproofing system. Trusted by professionals for speed, simplicity, and watertight performance.
