Product Data Sheet Show all documents

Sikadur®-20 Crack Seal

LOW VISCOSITY AND SEMI-ELASTIC EPOXY RESIN

A solvent-free, 2-component low viscosity and semi-elastic liquid, based on epoxy resins. Especially for sealing into non-structural cracks and cavities in concrete.

  • Semi-elastic crack sealing
  • Low viscosity
  • Suitable in both dry and damp conditions
  • High adhesive strength
  • No shrinkage
Product Data Sheet Show all documents

Usage

To fill and seal non-structural crack and cavities in structural concrete such as concrete decks, balconies, concrete roof structures, wet room, swimming pool and especially before waterproofing works. Repair floor tile joint for leakage treatment at wet room.  

Advantages

  • Semi-elastic crack sealing
  • Low viscosity
  • Suitable in both dry and damp conditions
  • High adhesive strength
  • No shrinkage

Packaging

160 mL and 850 mL set

Colour

Yellowish

Product Details

Product Information

Shelf Life

2 years when unopened and stored properly in original container

Storage Conditions

Stored in dry, cool, and shaded place

Density

~1.07 kg/L

Viscosity

83 ± 30 cps
Technical Information

Tensile Strength in Flexure

28 days

Elastic

Tensile Adhesion Strength

28 days

~2.0 N/mm2

(Concrete failure, over mechanically prepared concrete surface)

 

Application

Application Information

Mixing Ratio

Comp. A : B = 1 : 1 by volume

Pot Life

20 min (at +30 °C)
Application steps

SUBSTRATE PREPARATION

Grove and clean the cracks / cavities / tile joint (free of water) Surface must be clean and sound. It may be dry or damp, but free of standing water.

MIXING

Slowly shake each components. Proportion 1 part Component A to 1 part Component B into a clean bottle. Invert the bottle 15 – 20 times slowly until uniformly mixed. Mix only quantity that can be used within it is pot life.

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