Newton HydroBond 402 CCS-M Type A – External Pre-Applied Waterproofing Membrane 1m x 20m
Newton HydroBond 402 CCS-M is a high performance sheet membrane for the external waterproofing of below-ground foundation structures, basements, water holding tanks, culverts and tunnel bases. Pliable and durable, the membrane negates the requirements for a smooth blinding. The membrane can also be used as a ground level DPM.
A composite of LDPE and a high quality non-woven geotextile fleece, the membrane is very flexible, giving it an excellent crack-bridging capability at places where cracks will occur within the concrete. When pre-applied before placement, the wet concrete is absorbed into the geotextile fleece, integrally bonding the membrane to the concrete. This results in a high strength bond with exceptional peel adhesion qualities, and so prevents migration of water between the concrete and the membrane, even if the membrane is damaged.
HydroBond 402 CCS-M can provide complete waterproof envelope to the structure to achieve Type A (barrier) waterproofing suitable for Grades 1, 2 and 3 as defined by BS 8102:2022, and is suitable for all below-ground and earth-retained structures from domestic basements to the largest civil engineering projects.
Where the formwork is removed to the outer face of the walls, a range of post-applied membranes are available, which overlap onto the HydroBond 402 CCS-M at the raft edge, to fully encapsulate the structure.
HydroBond 402 CCS-M can be used alongside other Newton products to provide a coordinated and combined approach to the waterproofing of the whole structure that includes protection against water penetrating through construction joints, through and around service entries and to movement joints.
Correctly protected, the HydroBond System will provide, under normal service conditions, a durable waterproof barrier for the life of the building to which it is installed.
- Full mechanical bond to the concrete prevents water migration between membrane and structure
- Very flexible – Resistant to movement and fissures in substrates
- Unique pre-installed dual component (chemical fusion bond) adhesive laps at membrane selvedge
- As a continuous Type A, externally applied waterproofing membrane to earth-retained structures.
- Below slab DPM without the need for smooth blinding and protection
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 the membrane:
- Void former
- Clay heave board
- Closed-cell flooring grade insulation
- HydroBond 410 GeoDrain
- 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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