Delta MS 500 is a versatile, high-performance Type C cavity drain membrane designed for internal waterproofing of walls, floors, and vaulted ceilings, both above and below ground. Manufactured from clear 8mm studded High-Density Polyethylene (HDPE), it is suitable for use in new-build, existing, or retrofit projects, offering reliable protection against groundwater ingress, dampness, and contaminated substrates.
✔️ Type C Drained Protection – BS 8102:2009 compliant
✔️ Stud Profile: 8mm
✔️ Material: High-density polyethylene (HDPE)
✔️ Certification: BBA Approved
Key Features
-
✅ BS 8102:2009 Compliant – Part of a full Type C drained cavity system
-
✅ BBA Certified – Independently tested and approved for long-term performance
-
✅ Flexible Application – For use on walls, floors, and vaulted ceilings
-
✅ Reversible Installation – Minimises damage to heritage and historic structures
-
✅ Multi-Layer Protection – Resists water, vapour, and salt transmission
-
✅ Chemical & Root Resistant – Rot-proof and unaffected by aggressive ground conditions
-
✅ Gas Barrier – Resists Radon, Methane, and CO₂ ingress
-
✅ Suitable for Flood Zones – Flood-resilient membrane for critical infrastructure
-
✅ Vibration Tolerant – Ideal for structures subject to movement or environmental stress
Recommended Applications
Delta MS 500 supports dry lining, screed, or flooring in the following conditions:
-
Underground structures exposed to high groundwater levels or perennial damp
-
Vaulted ceilings or archways prone to water ingress
-
In conjunction with remedial DPC systems, especially where salt contamination is high
-
Over friable, painted, or contaminated surfaces (e.g., oil, mould)
-
In vibration-prone areas, such as tunnels, transport infrastructure, or light industrial basements
Installation Flexibility
-
Supports dot-and-dab plasterboard, metal stud, or timber battens for dry lining
-
Accepts screeds and floating floors with appropriate preparation
-
Compatible with Delta Fixing Plugs and Delta Rope for a watertight seal at fixing points
-
Can be integrated with sump and pump systems for full drained protection
Delta MS 500 is trusted across the construction and conservation sectors as a durable, reversible, and moisture-safe waterproofing solution for complex building scenarios. Whether protecting a historic cellar, modern basement, or retrofitted floor slab, Delta MS 500 provides long-term peace of mind.
