SikaTop®-122
SikaTop®-122 is a two-component high performance, cement based, polymer modified, fiber reinforced, structural concrete repair mortar. Suitable for horizontal, vertical and overhead applications.
- Excellent adherence
- Good mechanical strength
- High compression resistances at all ages
- Good water and oil resistance
- Increase resistance to salt water, chlorides and carbonation
- Synthetic fiber reinforced
- High abrasion, wear and impact resistance
Usage
- Use as concrete repair mortar for repairing damages in concrete structures like beams, piles, slabs, posts, pipes, precast elements, etc.
- Use in horizontal, vertical and overhead applications without the need of formworks.
- Repairing concrete defects like pores, honeycombs and level irregularities.
- Use as high adhesion render, with high abrasion resistance, waterproof to protect, repair and maintain concrete structures.
Advantages
- Excellent adherence
- Good mechanical strength
- High compression resistances at all ages
- Good water and oil resistance
- Increase resistance to salt water, chlorides and carbonation
- Synthetic fiber reinforced
- High abrasion, wear and impact resistance
Packaging
30 kg set: A (4.1 kg) + B (25.9 kg)
Colour
Mixed components light grey.
Component A: white liquid
Component B: grey powder
Product Details
Composition
Cement, selected aggregates and additives
Shelf life
9 months from date of production if stored properly in unopened original packing.
Storage conditions
Store properly in undamaged original sealed packaging, in dry cool conditions between +5 °C and +30 °C.
Density
~2.2 kg/L at +20 °C (mixed density A+B)
System Structure
Repair Mortar | |
SikaTop®-122 | Normal Use |
Levelling Mortar | |
| SikaTop®-121 | Normal Use |
Compressive Strength
| 7 days | ~40 N/mm2 |
| 28 days | ~52 N/mm2 |
Tensile Strength in Flexure
| 7 days | ~7 N/mm2 |
| 28 days | ~12 N/mm2 |
Tensile Adhesion Strength
| 28 days | ~1.5 N/mm2 (concrete failure) |
Application
Mixing Ratio
Parts by weight: A : B = 1 : 6.3
Layer Thickness
Minimum 5 mm / maximum 20 mm
Ambient Air Temperature
+8 °C minimum; +30 °C maximum
Substrate Temperature
+8 °C minimum; +30 °C maximum
Pot Life
~25 minutes (at +30 °C)
Consumption
This depends on the substrate roughness and thickness of the layer applied. As a guide, ~22 kg of powder per cm thick per m2
Yield
30 kg of product yields approximately 13 litres of mortar
MIXING
SikaTop®-122 can be mixed with a low speed (<250 rpm) hand drill mixer.
Shake Component A (liquid) and pour it into a suitable mixing vessel. While mixing add Component B (powder) into the mix. Mix the two components together for a minimum 3 minutes. DO NOT ADD WATER.
APPLICATION
SikaTop®-122 can be applied manually using traditional techniques. Thoroughly pre-wet the prepared substrate a recommended 2 hours before application. Keep the surface wet and do not allow to dry. Before application remove excess water e.g. with a clean sponge. The surface shall appear a dark matt appearance without glistening and surface pores and pits shall not contain water.
Apply first a scratch coat by firmly scrapping the repair mortar over the substrate surface to form a thin layer and fill any pores or pits in the surface. Ensure the whole surface to be repaired is covered by the scratch coat. Build up layers from bottom to top by pressing mortar well into the repair area.
The surface can be finished according to the requirements using a float while wet or with a relevant rough-cast tool as soon as the mortar has started to stiffen.
CURING TREATMENT
Protect the fresh mortar immediately from premature drying using an appropiate curing method e.g. curing compound, moist geotextile membrane, polythene sheet, etc.
CLEANING OF EQUIPMENT
Clean all tools and application equipment with water immediately after use. Hardened material can only be mechanically removed.