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Frequently asked questions
Answers to the most frequently asked questions about microcement.
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- 01
General
What is microcement?
A thin cement-based coating (1 – 2 mm) applied directly over existing surfaces, creating a seamless, monolithic, matte finish with no tile joints.
How thick is the application layer?
6820 micro decor (indoors): 1 – 2 mm.
6840 decor (facades): 2 – 5 mm.
Is the surface cold to the touch?
No. Microcement is a mineral material with a warm, tactile texture – much warmer than tiles or smooth concrete.
Is it applied by a professional?
Yes. A smooth, even surface requires proper application technique and experience.
- 02
Substrates and application
On which materials and how it can be applied.
On what substrates can it be applied?
6820 is suitable for tiles, concrete, drywall, and painted walls.
6840 (facades) for brick, concrete, Leca blocks, and masonry.
Can it be applied over old tiles?
Yes. Clean, roughen, and prime the tiles with 4170 decor primer. If you don't want the tile joints to show through, level them first.
Can it be applied over painted walls?
How is the surface texture created?
A steel trowel achieves a smoother surface, while a brush, roller, or sprayer creates a more pronounced, textured effect (especially 6840 decor).
- 03
Water and bathroom
Moisture, water resistance, and shower area.
Is microcement waterproof?
Sealed with 4720 decor topcoating, it is resistant to moisture and splashes – suitable for bathroom walls.
Can it be applied in the shower area?
Do you need waterproofing under microcement?
In wet areas, waterproofing is recommended under the surface, especially around the bathtub and shower – it protects the structure from moisture.
- 04
Rooms and applications
Is it suitable for a kitchen backsplash?
Can it be applied to a kitchen countertop?
6820 micro decor is designed for walls. Countertops require a special, more durable system – contact us for a solution.
Is it suitable for the bedroom and living room?
Yes. It is a safe, matte surface with no harsh odor once dry – ideal for accent walls and a calming atmosphere.
Do all walls need to be covered, or is one enough?
Often, a single accent wall works best; it can also be extended to the entire room or multiple walls, as desired.
Can stairs/steps be covered with microcement?
Not the tread surface of the step – it would wear down over time. Sides, vertical risers, and surrounding walls – yes; use wood, stone, or tiles for the treads.
- 05
Facades and outdoor spaces
What is the difference between 6840 decor and 6820 micro decor?
6820 is a pigmented indoor microcement (10 shades, 1 - 2 mm).
6840 is a white facade plaster for outdoor conditions – frost and water resistant, 2 - 5 mm.
Is it suitable for winter?
Yes. 6840 decor is frost resistant and withstands freeze - thaw cycles without cracking.
Is it suitable for outdoor floors or terrace paving?
No. It is a wall plaster for vertical surfaces. Use a different, more durable material for outdoor floors and paving.
Can the facade be colored?
- 06
Shades and samples
How many shades are available?
6820 micro decor comes in 10 factory-mixed shades – from light White and Silver to deep Anthracite and colorful tones.
6840 decor is white.
Do the colors on the screen match the real ones?
On-screen colors may differ slightly from the real material.
Is the shade uniform throughout the material?
Yes. The pigment is evenly mixed throughout the entire material, with a subtle, natural tonal variation – rather than just on the surface.
- 07
Care and durability
Daily maintenance and service life.
How to care for a microcement surface?
Wipe with a damp cloth and a mild, non-abrasive cleaner. There are no tile joints, making maintenance minimal and hygienic.
Is the surface heat-resistant?
As a mineral surface, it withstands daily heat, e.g., behind a stove. However, do not place hot cookware directly on the surface.
Can hot oil damage the surface?
Everyday splashes are harmless, but avoid hot cooking oil splashes directly on the surface – over time, they can damage the protective lacquer.
How long does microcement last?
A properly applied and maintained surface lasts for years.