KYK MegaPlaster K H102 | Cement-Based, Single-Component Coarse Plaster Mortar
Product Description
KYK MegaPlaster K H102 is a high-performance, cement-based, single-component coarse plaster mortar containing specially graded aggregate fillers.
With its excellent adhesion properties, it provides strong bonding to surfaces without peeling or detachment. Its crack-resistant structure creates durable and long-lasting surfaces for both interior and exterior applications.
KYK MegaPlaster K H102 is designed to provide a reliable base layer before fine plaster, paint, or decorative coating applications.
Applications
KYK MegaPlaster K H102 is suitable for:
- Primed concrete surfaces
- Primed aerated concrete (AAC) walls
- Brick and block surfaces
- Interior and exterior wall applications
- Ceiling and wall plastering
- Base layer preparation before paint, decorative coatings, or fine plaster applications
It provides a strong and uniform substrate for subsequent finishing layers.
Advantages of KYK MegaPlaster K H102
| Advantage | Description |
|---|
| High adhesion strength | Provides strong bonding to surfaces and prevents peeling |
| Crack-resistant structure | Its durable formulation reduces cracking risks and ensures long-term performance |
| Easy application | Can be applied manually with a steel trowel |
| High performance | Provides optimum strength and durability in both interior and exterior environments |
| Smooth surface preparation | Creates a suitable base for final finishing applications |
Technical Specifications
| Property | Value | Standard |
| Chemical Structure | Cement-based coarse plaster mortar | — |
| Dry Density | 1.65 ± 0.1 g/cm³ | TS EN 1015-10 |
| Mortar Density | 1.85 ± 0.1 g/cm³ | TS EN 1015-10 |
| Compressive Strength | CS III | TS EN 1015-11 |
| Bond Strength | >0.2 N/mm² | TS EN 1015-12 |
| Capillary Water Absorption | W0 | TS EN 1015-18 |
| Water Vapor Permeability | μ | TS EN 1015-19 |
| Air Content | 6% ± 0.5 | TS EN 1015-7 |
| Reaction to Fire | A1 | TS EN 13501-1 |
| Workability Time | >3 hours | TS EN 1015-9 |
| Maximum Grain Size | ≤1800 µm | — |
| Application Thickness | 1.0–2.5 cm per layer | — |
| Color | Grey / White | — |
| Application Temperature | +5°C to +35°C | — |
| Compliance | TS EN 998-1 (GP) | — |
| Public Works Position No. | 10.300.1353 | — |
Surface Preparation
Before application:
- The surface must be sound, clean, and free from dust and loose particles.
- Defects deeper than 1 cm should be repaired with MegaRepair I T101 or MegaRepair K T102. For structural repairs, MegaRepair I T103 / T104 may be used when required.
- The surface should be moistened with water if necessary.
Recommended Primers for Improved Adhesion:
Aerated concrete surfaces:
Exposed concrete surfaces:
Other surfaces:
- MegaFilm A201 primer should be applied and allowed to dry before plastering.
Application Method
- The prepared mortar is applied manually using a steel trowel.
- Recommended application thickness: 1.0–2.5 cm per layer.
- For thicker applications, a second layer can be applied after the first layer has sufficiently set (maximum 2 cm additional layer).
- The surface is leveled with a screed.
- After the plaster releases excess moisture, the surface is finished with a float and a damp sponge for final smoothing.
Application Limits
| Description | Value |
| Pot Life | Maximum 1 hour |
| Surface Finishing Time | Maximum 30 minutes |
| Full Drying Time | Minimum 2 days |
Application Recommendations
- The plaster should be periodically moistened for the first 7 days after application to prevent rapid drying.
- Using plaster profiles at corners is recommended.
- Do not apply on gypsum-based surfaces.
- For improved performance, MegaLatex K201 additive may be used.
- Do not add extra water after mixing; prepare the mixture with cold water.
- Avoid application during frost risk, strong wind, or direct sunlight.
- Protect the applied surface from rain for at least 24 hours when rainfall is expected.
Consumption
| Surface Type | Consumption at 1 cm Thickness |
| Aerated concrete | 17.5–18.5 kg/m² |
| Primed concrete | 17.0–18.0 kg/m² |
| Concrete block | 20.0–21.0 kg/m² |
| Brick | 21.0–22.0 kg/m² |
Actual consumption may vary depending on surface conditions and absorption rate.
Packaging and Storage
| Property | Information |
| Packaging | 25 kg kraft bag |
| Pallet Quantity | 54 bags / 1,350 kg (80x100 cm pallet) |
| Shelf Life | 24 months |
| Storage Conditions | Store in a dry and cool environment (+5°C to +25°C), below 60% humidity, protected from direct sunlight |
Frequently Asked Questions (FAQ)
Where is KYK MegaPlaster K H102 used?
It is used on concrete, aerated concrete, brick, and block surfaces for manual plaster applications.
Which primers should be used before application?
Depending on the surface type, MegaFilm A201 or MegaFilm BB A204 primers should be applied.
What is the recommended application thickness?
It can be applied between 1 cm and 2.5 cm in a single layer. Thicker applications can be completed with multiple layers.
Can KYK MegaPlaster K H102 be used outdoors?
Yes. It is suitable for both interior and exterior applications.
How long does the plaster take to dry?
The full drying period is approximately minimum 2 days, depending on environmental conditions.
What should be done after application?
The plaster surface should be kept moist for the first 7 days and protected from direct sunlight and rapid drying.
Conclusion
KYK MegaPlaster K H102 is a cement-based, single-component coarse plaster mortar offering high adhesion, crack resistance, and long-lasting surface durability.
It creates a strong and reliable base layer on aerated concrete, brick, block, and concrete surfaces. With its easy manual application and professional performance, it is an ideal solution for construction and renovation projects.
KYK MegaPlaster K H102 — Professional Coarse Plaster Solution for Durable Surfaces.