Product Data Sheet
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Parex Kerbfix

2-component, polyester-based, rapid setting, high-performing bedding mortar

Parex Kerbfix is a 2-component, polyester resin based, bedding mortar used for the bedding and fixing of paving units where same day trafficking and/or exceptional bond is required. Available in Winter and Summer formulations to allow for a temperature range of application between 0°C and 35°C.

  • Strong bond to a wide range of substrates (concrete, asphalt, etc.).
  • Can be applied in damp conditions.
  • User-friendly pre-packed units.
  • Easy to mix and apply. 
  • Complements Sika/Parex Streetscape Range.
  • High early strength gain, allowing same day opening. 
  • Suitable for all trafficked areas. 
  • Can withstand high lateral loading, making it ideal for securing containment kerbs. 
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Product Data Sheet
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Usage

  • Bedding of paving units.
  • Fixing mortar for kerb units.
  • Where rapid return to service and/or exceptional bond is required.
  • Paved areas, driveways, ramps, parking areas, cycleways, walkways, etc.  

Advantages

  • Strong bond to a wide range of substrates (concrete, asphalt, etc.).
  • Can be applied in damp conditions.
  • User-friendly pre-packed units.
  • Easy to mix and apply. 
  • Complements Sika/Parex Streetscape Range.
  • High early strength gain, allowing same day opening. 
  • Suitable for all trafficked areas. 
  • Can withstand high lateral loading, making it ideal for securing containment kerbs. 

Packaging

Pre-batched unit

14kg (A + B)

Colour

Concrete grey

Product Details

Product Information

Composition

Polyester resin

Shelf life

18 months from date of manufacture

Storage conditions

Stored properly in original, unopened, sealed and undamaged packaging in dry conditions at temperatures between +5 °C and +25 °C. Protect from direct sunlight.

Density

~1900kg/m3
Technical Information

Compressive strength

2 hours

~25N/mm2

6 hours

~70N/mm2

8 hours

~76N/mm2
24 hours~80N/mm2

Typical values at 20°C

Modulus of elasticity in compression

~15kN/mm2

Tensile strength

~12N/mm2

Application

Application Information

Layer thickness

Minimum: 2mm

Maximum: 25mm

For thicker sections apply in 25mm increments

Ambient air temperature

Winter:

0°C min. / +25°C max.

Summer:

+10°C min. / +35°C max.

Substrate temperature

+5°C min. / +25°C max.

Setting time

Temperature (°C)

25

15

5

0

Set time (mins)

20

40

80

160
Consumption

Yield

Each 14kg unit will yield approximately 7 litres of mixed material.
Application steps

SUBSTRATE PREPARATION

Laitance and all loose material including dust, oil and grease should be removed in order to produce a sound surface.

MIXING

Pour resin into polythene or rubber bucket. Add catalysed filler slowly whilst continuously mixing using a slow speed, high torque drill with paddle mixer. Continue mixing until a uniform consistency is obtained.

APPLICATION

Apply mixed mortar to the prepared substrate using a suitable trowel. Up to 25mm thickness of mortar may be placed in a single layer. Thicker beds should be placed in 25mm applications. Mortar should be well compacted onto prepared surface. Place the paving unit onto the mortar bed and press down into the required position. Any product extruded from beneath the units can be easily scraped and removed to create a clean and tidy finish.

CURING TREATMENT

Due to the chemical nature of the product no special curing is required.

CLEANING OF EQUIPMENT

Clean all tools and application equipment with Sika® Thinner C Cleaner immediately after use. Hardened / cured material can only be removed mechanically.

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