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To remove scratches and imperfections, sand the surface with a Mirka® DEROS electric sander and Microstar® P1200 abrasive until the surface is completely matte. If there is heavy orange peel, sand the surface with Abranet® Ace P1000.
Switch to damp sanding with Abralon® P3000 (make sure both abrasive and surface are wet). To protect the sander and dust extraction system from moisture, turn off the dust extractor or use Mirka Vacuum Block Disc.
Make sure the surface is completely sanded, then wipe it off with a microfiber cloth.
Polish the surface with Polarshine® 10 and lambswool pad.
For an even deeper gloss, polish a second time using Polarshine® 10 and a yellow waffle polishing pad (optional step).
High-Gloss Process on Wood
Corded 150 mm polisher
The POLAROS® RP 600 is a professional 150 mm rotary polisher, powered by a quiet 750 W brushless motor.
POLAROS's low-profile, lightweight design offers superb control, making it ideal for detailing, bodywork, marine, wood, and glass applications.
The unique, patent-pending Ramp Up and Ramp Down functions add to the POLAROS's usability by ensuring smooth starts without splatter and protecting the polisher and the surface from excessive pressure.
Harness the power of modern polishing technology in every finish with POLAROS.
A better choice for you and the environment
All polishes that Mirka produces are water-based and produced in Finland. There are many benefits of choosing a water-based polishing compound.
Do you want to know more?
Please get in touch and our expert support team will answer your questions.
Surface finishing in construction and renovation is the process of preparing and treating surfaces to achieve a smooth, even, and durable finish. It includes steps such as sanding, polishing, sealing, and coating.
The goal is to remove imperfections, improve surface quality, and ensure materials are ready for painting, staining, or protective treatments.
Proper surface finishing improves both the appearance and performance of walls, ceilings, flooring, woodwork, and other building elements, leading to longer-lasting and higher-quality results.
Improved Aesthetics
A well-finished surface looks clean and uniform. Smooth walls, ceilings, and woodwork enhance the overall appearance of the space and allow paints and decorative finishes to stand out.
Better Coating Adhesion
Properly prepared surfaces help paint, sealants, or decorative finishes bond effectively. This reduces the risk of peeling, cracking, or early deterioration.
Increased Durability
Surface finishing protects materials from moisture, wear, and environmental damage. Sealed and coated surfaces last longer and require fewer repairs over time.
Reduced Rework and Costs
Sanding and smoothing before finishing minimizes defects such as uneven textures or visible seams. This reduces costly touch-ups and speeds up project completion.
Health and Safety Improvements
Modern surface finishing processes often incorporate dust control and safer materials. This reduces airborne particles and creates a cleaner, safer workspace for workers and occupants.
Sanding is the foundation of surface finishing. It removes surface imperfections like bumps, ridges, and old paint while leveling uneven areas. This step creates a clean, smooth base that ensures coatings and finishes bond effectively and look uniform.
For construction and home renovation, sanding helps prepare walls, ceilings, and woodwork for painting, sealing, or decorative treatments.
Key Benefits:
After sanding, the surface may still have visible seams, uneven patches, or tool marks. Ensuring surface uniformity involves carefully inspecting walls and ceilings and refining any remaining imperfections.
This step often includes light spot sanding or touch-ups using finer abrasives to level the surface before moving to the coating stage.
Consistent surface texture is especially important in large, open areas where lighting can reveal flaws.
By correcting these issues early, professionals avoid rework and ensure a smooth, professional result after painting or sealing.
Key Benefits:
Coating and sealing are the final steps in surface finishing. This process adds a protective layer to prevent moisture penetration, wear, and environmental damage while enhancing the overall look of the surface.
In construction and home renovation, coatings extend the lifespan of flooring and woodwork.
Key Benefits:
Sanding walls and ceilings is one of the most important steps in surface finishing. It removes surface imperfections, old coatings, and joint ridges while creating an even surface for paint or decorative finishes to bond properly.
The technique involves working in overlapping passes to ensure uniform pressure and consistent results, especially on large vertical and overhead areas.
The Mirka® LEROS is designed for full‑size projects such as wide walls and ceilings. Its 180° flexible sanding head follows your movements and easily reaches edges and corners, reducing the need for repositioning.
At just 7.7 lbs., it reduces strain on your back and shoulders during long sessions.
The 5 mm random orbital movement delivers a smooth, swirl‑free finish, and when paired with a dust‑free system, it keeps the air cleaner and the surface visible throughout the process.
For confined spaces like bathrooms, closets, and corridors, the Mirka® LEROS‑S provides the same ergonomic benefits in a compact 35″ design.
Its two grip points offer full control, and its flexible 9″ sanding head allows even finishing in tighter areas without compromising speed or quality.
Use LEROS for wide areas and LEROS‑S for tight spaces to speed up wall and ceiling finishing, reduce physical strain, and achieve consistent, paint‑ready surfaces.
Surface finishing often extends beyond open walls. Trim, frames, staircases, shelves, and built‑in furniture require detailed sanding to eliminate imperfections and prepare for coatings.
This technique calls for precise control, often at different angles and in tight areas where larger sanders cannot reach.
The Mirka® DEROS delivers high sanding power in a compact, ergonomic body, providing the performance of pneumatic sanders without external air systems. Its patented brushless motor ensures long service life with low maintenance, while its integrated vibration sensor and Bluetooth® connectivity via the myMirka® app help monitor tool usage and minimize operator strain.
For corners, edges, and profiles, the Mirka® DEOS offers a low‑profile (4″ height) lightweight design that gives you closer control and better maneuverability. It is 50% more effective in stock removal than standard sanders, reducing sanding time while maintaining smooth, even results.
Use Mirka® DEROS and DEOS to handle detailed surfaces faster and with less effort, ensuring every corner and contour has a smooth, professional finish.
Efficient sanding techniques rely heavily on the right abrasive. Abranet® abrasives use an open mesh structure that allows sanding dust to pass through the entire abrasive surface into an attached dust extractor.
This technique prevents clogging, maintains consistent cutting performance, and extends abrasive life.
Using Abranet® in surface finishing projects helps maintain an even sanding pattern, keeps the workspace cleaner, and makes imperfections easier to detect during the process. This improves overall finish quality and saves time on cleanup.
Add Abranet® to your sanding workflow to extend abrasive life, reduce clogging, and achieve cleaner, higher‑quality finishes.
Even the best sanding techniques produce dust that can harm indoor air quality, increase cleanup time, and affect coating adhesion. Pairing sanders and Abranet® abrasives with a dust extractor ensures particles are removed at the source.
The technique is straightforward: connect your tool, use proper hose management to avoid obstruction, and let the extractor maintain airflow throughout sanding.
Mirka dust extractors feature HEPA filtration, automatic filter cleaning, and modular accessories for organizing tools and abrasives.
This creates a healthier workspace, reduces time spent on post‑sanding cleanup, and prevents dust from settling on freshly prepared surfaces.
Use dust extractors with your sanding tools to keep workspaces cleaner, protect worker health, and deliver higher‑quality finishes faster.
Surface finishing is a key step in achieving high-quality results in construction and home renovation. It improves surface appearance, ensures coatings bond effectively, and increases durability.
By applying proper processes such as sanding, polishing, and sealing, professionals can reduce rework, improve safety, and deliver lasting finishes. Investing time in surface preparation supports efficiency, customer satisfaction, and the long-term performance of walls, ceilings, and other building elements.