Sector Leisure and hospitality
Project type Refurbishment
Services provided Planning advice
Project management
Product / system manufacture
Product / system supply
Year completed 2019
Project location South West England
Client Po Na Na
Consultant Cannon Clarke
Products used Delta MS 500 Cavity Drain Membrane / Koster Polysil TG 500 / Delta MS 20 flooring Cavity Drainage Membrane
 
 

Context

Historic vaults are a common feature of 18th and 19th century buildings in Bath and many suffer with water ingress and damp related problems.

Delta Registered Installers, Cannon Clarke were commissioned to design and install a guaranteed waterproofing solution for Po Na Na, a Moroccan-themed nightclub venue situated in a vaulted cellar in Bath’s popular Parade area.

The vault was suffering high volumes of water ingress during rainfall due to the road above.

Project details

During initial onsite inspections, it was evident that the original tanking system used within this venue was failing. It’s believed the vault had originally been tanked over 50 years ago.

Cannon Clarke designed and installed a Type C Drained Protection waterproofing system incorporating Delta’s BBA Certified MS 20 and MS 500 membranes.

The walls were treated using Delta MS 500 Cavity Drain Membrane.

The Delta MS20 and MS 500 Membrane Systems have been specified in many Grade 1 and 2 listed buildings throughout the United Kingdom due to its sympathetic value. The Delta Membrane System offers an ‘air gap’ technology which is favoured by English Heritage, The Society for Protection of Ancient Buildings (SPAB) and local authority conservation officers.

The Delta Membrane System itself doesn’t need any aggressive preparation therefore it will not create damage to historical or heritage structures. The Delta Membrane System is a reversible system, which can easily be removed at any time, retaining the structure underneath intact.

The wooden nightclub floor was replaced with a concrete floor which has allowed for a fully serviceable perimeter drainage channel to be installed, discharging to a combination of passive and powered disposal points. An application of Koster Polysil TG 500 (an anti-lime coating/surface primer) was installed to reduce the risk of excess free lime leaching out of the concrete during the curing process. This free lime, if untreated, can enter the Cavity Drainage System which can impede the flow of water and cause sump pump failure. To seal the floors prior to finishes being applied Delta’s MS 20 flooring Cavity Drainage Membrane was installed.

Outcome

Cannon Clarke were able to design and install a remedy for this listed building as the Delta MS 20 and MS 500 system is deemed ‘reversible’ satisfying local planning authority recommendations.

The Delta System complies with BS 8102:2009 ‘Code of practice for protection of below ground structures against water from the ground’ and has an EN1350-1 Class E fire reaction classification. With a service life of over 100 years, this waterproofing solution will ensure the historic integrity of Bath’s vaults.

The client was delighted with Cannon Clarke’s dedication to quality, authenticity and exceptional customer service.


Context

Historic vaults are a common feature of 18th and 19th century buildings in Bath and many suffer with water ingress and damp related problems.

Delta Registered Installers, Cannon Clarke were commissioned to design and install a guaranteed waterproofing solution for Po Na Na, a Moroccan-themed nightclub venue situated in a vaulted cellar in Bath’s popular Parade area.

The vault was suffering high volumes of water ingress during rainfall due to the road above.

Project details

During initial onsite inspections, it was evident that the original tanking system used within this venue was failing. It’s believed the vault had originally been tanked over 50 years ago.

Cannon Clarke designed and installed a Type C Drained Protection waterproofing system incorporating Delta’s BBA Certified MS 20 and MS 500 membranes.

The walls were treated using Delta MS 500 Cavity Drain Membrane.

The Delta MS20 and MS 500 Membrane Systems have been specified in many Grade 1 and 2 listed buildings throughout the United Kingdom due to its sympathetic value. The Delta Membrane System offers an ‘air gap’ technology which is favoured by English Heritage, The Society for Protection of Ancient Buildings (SPAB) and local authority conservation officers.

The Delta Membrane System itself doesn’t need any aggressive preparation therefore it will not create damage to historical or heritage structures. The Delta Membrane System is a reversible system, which can easily be removed at any time, retaining the structure underneath intact.

The wooden nightclub floor was replaced with a concrete floor which has allowed for a fully serviceable perimeter drainage channel to be installed, discharging to a combination of passive and powered disposal points. An application of Koster Polysil TG 500 (an anti-lime coating/surface primer) was installed to reduce the risk of excess free lime leaching out of the concrete during the curing process. This free lime, if untreated, can enter the Cavity Drainage System which can impede the flow of water and cause sump pump failure. To seal the floors prior to finishes being applied Delta’s MS 20 flooring Cavity Drainage Membrane was installed.

Outcome

Cannon Clarke were able to design and install a remedy for this listed building as the Delta MS 20 and MS 500 system is deemed ‘reversible’ satisfying local planning authority recommendations.

The Delta System complies with BS 8102:2009 ‘Code of practice for protection of below ground structures against water from the ground’ and has an EN1350-1 Class E fire reaction classification. With a service life of over 100 years, this waterproofing solution will ensure the historic integrity of Bath’s vaults.

The client was delighted with Cannon Clarke’s dedication to quality, authenticity and exceptional customer service.


 
 
 
Downloads
  • KÖSTER Polysil® TG 500
    KÖSTER Polysil® TG 500
    2pp 257.79KB
    Download
  • DELTA® MS 500 BBA certificate
    DELTA® MS 500 BBA certificate
    13pp 910.83KB
    Download
  • DELTA® MS 20
    DELTA® MS 20
    2pp 1.62MB
    Download
 
 
 
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Delta Membrane Systems Ltd
DELTA House
Merlin Way
North Weald
Epping
CM16 6HR
Tel: 01992 523523
Fax: 01992 523250
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