Hydroprufe Tophat

Pre-formed Tophat Pieces
HYDROPRUFE TOPHAT

Product Documentation

Description

HYDROPRUFE TOPHATS are pre-formed units designed for the effective sealing of pipes and surface penetrations through damp-proof and gas-proof membranes. They are available in a range of standard sizes and specific sizes may be fabricated to order.

Uses

HYDROPRUFE TOPHATS should be used to seal around all pipes, ducts and service penetrations through membranes where an effective gas and watertight seal is important.

Next Steps

Share Product

Advantages

  • Preformed units for ease of detailing around the circumference of penetrations.
  • Effective barrier to ground moisture and ground gases.
  • Maintains the integrity of the seal around difficult junctions.

Related Case Studies

Delta Junction: HS2 High-Speed Rail Project
Balfour Beatty VINCI JV
London, UK
Colne Valley Viaduct
Align JV (Bouygues Travaux Publics, Sir Robert McAlpine, VolkerFitzpatrick)
London
52 Avenue Road
O’Halloran & O’Brien

Get In Touch

We’re happy to answer any questions you may have regarding our products and services.