SikaWall-126 Plaster Mix KH | Plaster and Brick Adhesive
Product Category: Plaster & Brick Adhesive
Brand: Sika
Model Code: SikaWall®-126 Plaster Mix KH
Description
SikaWall®-126 Plaster Mix KH is a 1-component polymer-modified mortar, pre-packed with cement, graded sand, and additives. It is designed for plastering and brick bonding applications, providing strong adhesion and crack resistance.
Applications
Plastering
Light brick surfaces
Red brick surfaces
General wall plastering
Brick Adhesive
Red brick bonding
Light brick installation
Surface Conditions
Suitable for non-exposed applications
For concrete surfaces:
Use bonding agent (Sika Latex® / SikaCim Latex®)
Apply plaster while bonding agent is still wet
Key Features
Multi-purpose (plaster + brick adhesive)
Excellent adhesion
Easy to use (just add water)
Reduces cracking (shrinkage & expansion control)
Faster application and working time
Product Information
Type: Polymer-modified mortar
Packaging: 25 kg bag
Appearance: Grey powder
Shelf Life: 9 months
Storage: +5°C to +30°C, dry conditions
Density: ~1.65 kg/L
Technical Data
Compressive Strength (28 days): ~6 N/mm²
Tensile Strength (28 days): ~0.3 N/mm²
Mixing Ratio
Water: 3.2 – 3.5 L per 25 kg bag
Consumption
Brick Adhesive
~0.78 m² per 25 kg (10 mm thickness)
Plaster
~2.5 m² per 25 kg (5 mm thickness)
(Depends on surface condition and thickness)
Layer Thickness
Brick laying:
Standard: 10 mm
Max: 15 mm
Plastering:
Min: 5 mm
Max: 15 mm
Application Conditions
Temperature: +8°C to +40°C
Pot Life: ~1 hour
Waiting Time
Before plaster over brick adhesive: 24 hours
Before skim coat over plaster: 7 days
Surface Preparation
Surface must be:
Clean
Strong
Free from oil, grease, dust
Remove loose particles
Pre-wet absorbent surfaces (SSD condition)
Mixing Instructions
Add 3.2–3.5 L water
Slowly add powder
Mix for ~3 minutes
Use low-speed mixer (300–600 rpm)
Application Method
As Brick Adhesive
Apply mortar using scoop
Install bricks while mortar is fresh
Wait minimum 24 hours before plastering
As Plaster
Apply using flat trowel
Smooth surface evenly
Wait minimum 7 days before skim coat
Cleaning
Clean tools with water immediately
Hardened material must be removed mechanically
Performance Advantages
Strong bonding for bricks and plaster
Crack resistance improves wall durability
Faster work efficiency
Suitable for multiple applications
Safety & Handling
Follow Safety Data Sheet (SDS)
Store properly in sealed packaging
Additional Notes
Laboratory-based technical values
Site conditions may affect results
Local regulations may vary
Summary
SikaWall®-126 Plaster Mix KH is a versatile plaster and brick adhesive mortar, offering strong adhesion, crack resistance, and easy application, making it ideal for efficient wall construction and finishing works.