Description
Adcor® SAS 500S Self-Adhesive Hydrophilic Waterstop
Adcor® SAS 500S is a premium self-adhesive hydrophilic waterstop designed to seal construction joints and penetrations in reinforced concrete structures. Combining a swellable polymer/butyl rubber waterstop with advanced self-adhesive technology, it forms a continuous bond to concrete, metal and PVC substrates while expanding on contact with water to create a permanent watertight seal. Its innovative self-adhesive design eliminates the need for nails and mesh, allowing faster, safer and more reliable installation in below-ground waterproofing applications.
Designed for horizontal, vertical and overhead installations, Adcor® SAS 500S provides outstanding resistance to hydrostatic pressure and maintains its sealing performance through repeated wet and dry cycles. It is ideal for construction joints, pile caps, retaining walls, pipe penetrations and concrete substructures where dependable waterproofing is essential.
Key Benefits
- Self-adhesive hydrophilic waterstop
- Fast installation without nails or mesh
- Bonds to concrete, metal and PVC substrates
- Expands on contact with water to seal joints
- Strong instant adhesion on horizontal, vertical and overhead surfaces
- Flexible and conformable for irregular substrates
- Controlled expansion helps reduce concrete spalling
- Resists hydrostatic pressure up to 6 bar
- Performs through repeated wet and dry cycles
- Frost resistant after installation
- Easy overlap jointing
- Suitable for new build and refurbishment projects
Applications
- Construction joints
- Reinforced concrete structures
- Basement waterproofing
- Foundation waterproofing
- Retaining walls
- Floor slabs
- Pile caps
- Pipe penetrations
- Diaphragm walls
- Secant piled walls
- Concrete repairs
- Water retaining structures
Technical Information
- Product Type: Self-adhesive hydrophilic waterstop
- Profile Size: 19mm × 25mm
- Colour: Light Blue
- Volumetric Expansion: Minimum 100% in cement water
- Water Pressure Resistance: Greater than 6 bar (87 psi)
- Minimum Concrete Cover: 76mm
- Minimum Joint Overlap: 100mm
- Service Temperature: -13°C to +120°C
- Installation Temperature: +5°C to +40°C
- Compatible Substrates: Concrete, steel, PVC
- Shelf Life: 12 months when stored correctly
Frequently Asked Questions
What is Adcor® SAS 500S used for?
It is used to waterproof construction joints, penetrations and interfaces within reinforced concrete structures by expanding when exposed to water to create a permanent seal.
How does the waterstop work?
The hydrophilic polymer expands when it comes into contact with water, sealing the joint and preventing water ingress through the concrete construction joint.
Can it be installed on vertical or overhead surfaces?
Yes. The integrated self-adhesive backing provides strong initial adhesion on horizontal, vertical and overhead applications without mechanical fixings under normal conditions.
Is Adcor® SAS 500S suitable for movement joints?
No. It is designed for construction joints and is not suitable for movement joints or precast concrete components.
What overlap is required between sections?
Adjacent lengths should be overlapped by a minimum of 100mm to maintain a continuous waterproof seal.
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