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You are here | Home | Products | Waterproofing | Permastop

PERMASTOP

Crystalline waterproofing treatment

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WHAT IS PERMASTOP?
​

​A cement-based mixture containing chemicals that combine with the water in cement and migrate into the concrete or cement plaster, effectively waterproofing the structure against hydrostatic pressure. It is suitable for slurry coatings and plugging holes, as well as for solving most types of waterproofing problems in below-ground and water-containing structures that contain OPC.
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Benefits
  • Resists extreme hydrostatic pressure from both the positive and negative side of the substrate
  • Resistant to aggressive chemicals i.e. oil, salt water, alkalis, certain chemicals, weak acids and aggressive sulphate soils
  • Becomes an integral part of the substrate - deep penetration
  • Self-mending when punctured or torn and is not subject to deterioration. It is therefore permanent
  • Does not require protection when backfilling
  • Can be applied to moist surfaces
  • Can seal static hairline cracks
  • Increases the strength of concrete by up to 30% dependent on quality of original concrete
  • Waterproof but not vapour proof
  • No VOC’s
Specifications
Suitable Surfaces
Must be in contact with the cement / concrete to be effective
Finish
Brushed finish unless plaster is applied over it
Application
Brush-on
Packaging
1, 5 & 25kg containers
Coverage
Brush application - Approximately 1,3m²/kg/coat depending upon suction and texture of surface
Joint filling - Depends on size of joint
With Polypropylene Membrane - Approximately 3kg/m²
Curing
In hot dry conditions cure completed work by dampening with clean water three times during the day following the day of application. Protect against freezing for 24 hours. Protect from direct sun and wind by covering with plastic or wet hessian for 24 hours
Colour
Grey - can supply white upon request
​What do you need?
Tools & Consumables
  • Hydrometer / Moisture Meter
  • Tape Measure
  • Angle Grinder
  • Level
  • Mechanical Mixer
  • Pump Up Sprayer
  • Large Paint Brush / Block Brush
  • Smooth Trowel
  • Jointing Tool
  • Plastic Float
Products
  • Permastop
  • Water Repellent Cement
  • Plaster Sand
  • River Sand / 5mm Crusher Dust
The System
Picture
Brochure

Datasheet

Permastop Annexure

Permastop - Rising Damp Step-by-Step Guide
​Q:  How is Permastop different from other waterproofing products or systems?
A: Permastop creates a crystalline structure deep within the pores and capillary tracts of any cement-based concrete plaster or screed.  It is self-healing and seals hairline cracks of up to 0.4mm. It cannot be damaged and is a permanent solution which reactivates whenever water is present.
 
Q: 
Can I apply paint over Permastop?

A: Yes, most types of paint as well as plaster and cement-based coatings. Please refer to our datasheets for the respective preparation schedules.

Q: Can I apply Permastop over Derbigum or any other type of waterproofing system?
A: Permastop is compatible with the chemistry of cement based substrates only. Even when applying it to shuttered concrete you must shot blast the surface so as to remove all traces of shutter release agents.

Q: Is Permastop affected by the weather or other  elements?
A: Once applied the crystalline growth in the substrate pores and capillary tracts performs well between temperatures between approximately -30°C and 130°C. It is unaffected by humidity, ultraviolet rays and oxidation.

Q: How long does it take for Permastop to work?
A: It really depends on a number of factors such as the mix design; type of cement used; the amount of moisture present; whether the Permastop has been applied to the positive or negative side of the structure to be waterproofed, and the thickness of the cement structure. If the cement structure is a good quality, been compacted properly and kept damp it can take place anywhere between 7 days and 21 days to achieve substantial crystalline growth within the pores and capillary tracts of the substrate.

Q: How deep does Permastop penetrate concrete?
A: The chemical reactions that initiate the crystalline growth takes place on the surface initially. From there it continues homogeneously throughout the concrete matrix ensuring the complete waterproofing of the matrix to which it is applied.

Q: How long does it last?
A: Unlike most other waterproofing systems Permastop is a permanent solution. Its unique crystalline matrix will not deteriorate under normal conditions.

Q: Can Permastop be used as a crack filler or mortar repair filler?
A: Yes, the crystalline growth acts as an effective wet to dry bonding agent and prevents moisture ingress. However, for expansion joints or movement cracks we recommend the use of an elastomeric type of sealant.

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CONTACT US

JHB HEAD OFFICE​

011 474 2415
info@cemcrete.co.za​
8 Telford Street
Industria

JHB SHOWROOM

011 447 3149
​
WhatsApp line  |  063 541 8479
​jsa@cemcrete.co.za​
227 Jan Smuts Avenue
​ Parktown North

CENTURION

​012 653 6808
​
WhatsApp line  |  071 988 1882
​pretoria@cemcrete.co.za​
15 Coachmens Park
26 Jakaranda Street | Centurion

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021 555 1034
WhatsApp line  |  082 861 1368
​cape@cemcrete.co.za​
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Montague Gardens
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​The colours depicted are a guide only and Cemcrete recommends choosing colours from an actual on-site sample.
  • Home
  • About Us
  • Products
    • Product Calculators
    • Floors >
      • RenoCrete (floors)
      • CreteCote Microcement Floors
      • Colour Hardener
      • CreteStain
      • Exposed Aggregate
      • Concrete Primer
      • PrimerCote
      • SuperScreed
      • Sealers
      • Floor Maintenance
    • Walls >
      • RenoCrete (wall)
      • CreteCote Microcement Walls
      • CemCote Skimmed
      • CemCote Brushed
      • SatinCrete
      • CemWash
      • CemPlaster
      • CreteStain
      • DecoCrete
      • TPC
      • EIFS BaseCoat
      • BaseCoat Paste
      • Sealers
    • Pools >
      • PoolCrete
      • Pool Coating
      • BeadCrete
      • Pool Patching - Underwater
      • Pool Sealer
      • Pool Crack Filler
    • Bonding Agents >
      • FlexBond
      • CemBond
      • CreteBond
      • CemKey
    • Preparation Products >
      • Concrete Primer
      • PrimerCote
      • EIFS BaseCoat
      • BaseCoat Paste
    • Building Products >
      • Concrete Hardener
      • Membranes
      • Release Agent - Pigmented
      • ColourCem
      • Anchor Grout
      • Boiler Plaster
      • Direct-to-Metal Paint
      • Exterior Crack Filler
      • SupaStrip Gel
      • Mortar Mix - Coloured
    • Ceilings >
      • CemCote (ceilings)
      • SatinCrete (ceiling)
      • TPC (ceiling)
    • Countertops >
      • Countertop Mix
      • CemCote Skimmed Countertop
      • RenoCrete Countertop
      • CreteCote Countertop
      • Colour Hardener Countertops
      • SatinCrete Countertop
    • Pool Copings >
      • Pool Copings Exposed Aggregate
      • Pool Copings RenoCrete
      • Pool Copings Colour Hardener
      • Pool Copings DecoCrete
    • Waterproofing >
      • SiliconSeal
      • MatCrete
      • Permastop
      • ElastoBond
      • Water-Repellent Cement
      • Cement Waterproofing Compound
    • Sealers
    • Roofs >
      • ThatchCrete
      • TPC Roof
    • Artistic Products >
      • DecoCrete
      • Mould Rubber Latex
      • SculptCrete
      • TexCrete
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