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Externally Applied Waterproofing Membrane: Newton 403 HydroBond

Newton Waterproofing Systems (John Newton & Company)

Waterproofing Membrane & Gas Barrier

A high performance, self-healing membrane with a locking fleece on the inner surface and a hydrophilic polymer coating externally. The membrane is BDA approved, NHBC accepted as Type A waterproofing, and the gas barrier variant provides resistance to radon, carbon dioxide and hydrocarbons.

When fitted above the raft support or to wall formwork, the membrane locking fleece is fully encapsulated into the newly placed concrete, becoming fully-engaged and preventing water tracking. If the waterproof LDPE layer is punctured, the exposed hydrophilic coating expands, preventing water ingress, effectively sealing small holes that may be accidentally formed during fixing of the reinforcing steel or the pouring and compaction of the concrete.

Newton 403 HydroBond provides a complete waterproof envelope to the structure to achieve Type A (barrier) waterproofing suitable for Grades 1, 2 and 3 as defined by BS 8102:2009, are suitable for all below ground and earth-retained structures from domestic basements to the largest civil engineering projects, and can be used as part of the HydroBond® System with Newton 108 HydroBond-LM which is sprayed to the exposed walls of the basement after the temporary formwork is removed. Where space is tight, Newton 109-LM can be applied by roller or brush or small airless spray machine.

Newton 403 HydroBond can be used in conjunction with other Newton products to provide a co-ordinated and combined approach to the waterproofing of the whole structure that includes protection against water ingress to the deck, through construction joints, through and around service entries and to movement joints.

Correctly protected, the Newton HydroBond System will provide, under normal service conditions, a durable waterproof barrier for the life of the building to which it is installed; the expected life time of the building itself should be at least 60 years. The Newton HydroBond System is supported by BDA Agrément Certificate BAB 16-031/03/A and is accepted by the NHBC as a suitable waterproofing system for Type A Waterproofing to Grades 1, 2 & 3 - BS 8102:2009

Product Overview
Code: HB / HBGB
Packaging: Roll: 20.0m x 1.0m (HB) / 20.0m x 1.5m (HBGB)
Colour: White and Dark Blue (HB) / White and Light Blue (HBGB)
Area: 20m² / 30m²

Key Benefits
• Agrément certified and NHBC accepted waterproofing system
• Forms a full mechanical bond to concrete to prevent water migration between the membrane and the structure
• The hydrophilic layer provides self-healing capabilities when the membrane is punctured
• Very flexible - resistant to movement and fissures in substrates
• Excellent resistance to the high alkalinity of concrete
• Third-party test certification for radon, carbon dioxide and hydrocarbon gases
• The Newton HydroBond™ System completely encapsulates the structure

Typical Applications
As a continuous membrane to permanent raft and wall formwork such as the raft blinding and piled walls of reinforced concrete and earth-retained structures
Suitable Substrate

RAFT OR SLAB
• Concrete blinding
• Compacted type 1 hardcore
• Compacted sand

The following can be placed above the blinding or hardcore prior to the installation of 403 HydroBond:
• Void former
• Clay heave board
• Closed-cell flooring grade insulation
• Newton 410 GeoDrain

WALL FORMWORK
• Existing structure
• Secant or contiguous concrete piles
• Metal sheet piles
• Diaphragm walls
• King post wall
• Sufficiently stable ground such as clay or chalk
• Temporary timber shuttering/formwork

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Newton Waterproofing Systems (John Newton & Company)

Newton Waterproofing Systems (John Newton & Company)

Newton Waterproofing Systems – Complete Basement and Structural Waterproofing Solutions For New And Existing Buildings

Newton Waterproofing Systems (a trading name of John Newton & Co Ltd), Est 1848, is the UK’s leading independent supplier...
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T(01732) 360095
 01732 360095 Tech Dept.
F(01732) 359033
E[email protected]
WVisit Newton Waterproofing Systems (John Newton & Company)'s website
 Newton House, 17-19 Sovereign Way, Tonbridge, Kent, TN9 1RH

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