Product Data Sheet Safety Data Sheet Show all documents
Sika® Concrete Crack Fix

Sika® Concrete Crack Fix

Mix in the tube adhesive for high strength repairs to concrete.

Sika® Concrete Crack Fix is a two-part cold cure, thixotropic structural adhesive based on epoxy resin. Just mix in the tube and use for high strength repairs to concrete.

  • Applied using a standard sealant gun.
  • Can be used on damp concrete.
  • Excellent adhesion.
  • Non-sagging, can be used for overhead applications.
  • High load capacity.
  • Does not shrink on hardening.
  • Styrene free.
  • Two-part mix in the tube adhesive.
  • Economic - use only as much as required.
  • Can be applied in vertical and overhead situations.
  • Resistant to water, chemicals and solvents.
Thermal expansion coefficient , EN1770 9.3 x 10-5 per °C (temp range 23 °C – 60 °C) Thermal stability, EN12614 Heat deflection temp. 49 °C Bond Strength Time Substrate Bond Strength After 3 days Dry concrete >5 N/mm2* After 3 days Damp concrete >5 N/mm2* After 3 days Steel, blast cleaned >10 N/mm2 After 3 daysDry brick>1.5 N/mm2** *100% Concrete failure **100% Brick failure
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Product Data Sheet Safety Data Sheet Show all documents

Usage

As a structural adhesive for:
  • Concrete.
  • Hard natural stone.
  • Ceramics, fibre cement.
  • Mortar, bricks, blocks, masonry, render,  etc.
  • Steel, iron and aluminium.
  • Wood.
  • Polyester and epoxy.
  • Fixing and fastening of handrails, railings, balustrades and supports.
  • Fixing of window and door frames.
For concrete repairs: Interior, vertical and overhead repairs of:
  • Corners and edges.
  • Hole and void filling.
  • Crack filling and sealing of non-moving joints.
  • Joint arrises.
  • Suitable for use on damp concrete.
Also suitable for injecting into cracks.  

Advantages

  • Applied using a standard sealant gun.
  • Can be used on damp concrete.
  • Excellent adhesion.
  • Non-sagging, can be used for overhead applications.
  • High load capacity.
  • Does not shrink on hardening.
  • Styrene free.
  • Two-part mix in the tube adhesive.
  • Economic - use only as much as required.
  • Can be applied in vertical and overhead situations.
  • Resistant to water, chemicals and solvents.
Thermal expansion coefficient , EN1770 9.3 x 10-5 per °C (temp range 23 °C – 60 °C) Thermal stability, EN12614 Heat deflection temp. 49 °C Bond Strength Time Substrate Bond Strength After 3 days Dry concrete >5 N/mm2* After 3 days Damp concrete >5 N/mm2* After 3 days Steel, blast cleaned >10 N/mm2 After 3 daysDry brick>1.5 N/mm2** *100% Concrete failure **100% Brick failure

Packaging

250 ml Cartridge.

Colour

Grey

Product Details

Product Information

Shelf Life

12 months from date of manufacture in original, unopened containers.

Storage Conditions

Store upright in original tightly sealed container in dry conditions, at temperatures 10 °C to 25 °C. Protect from direct sunlight.

Density

1.35 kg/l (A+B mixed)
Technical Information

Compressive Strength

~50 N/mm2 (14 days, 23 °C)

Flexural Strength

~20 N/mm2 (14 days, 23 °C)

Tensile Strength

10-15 N/mm2 (14 days, 23 °C)

Shrinkage

None

Application

Application Information

Sag Flow

None, suitable for overhead application.
Application steps

SUBSTRATE PREPARATION

All substrates must be free from oil, grease and loose particles.

Concrete, natural stone, cement mortar and render:

Age of concrete must be 3 – 6 weeks.

Clean of oils, grease, dust and cement laitance.

Prepare with blast cleaning or grinding.

Construction steel 37, V2 A steel:

Clean of oils, grease, rust or mill scale.

Avoid dew point conditions.

Prepare surface with blast cleaning or grinding, and prepare immediately prior to use with SIKA Primer MB.

Polyester, epoxy, ceramics:

Clean of oils and grease.

Prepare surface with grinding – use a coarse abrasive for polyester epoxy.

CLEANING OF TOOLS

Wash tools immediately with Sika® Thinner C. Wash hands and skin thoroughly with warm, soapy water.

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