Microcement has earned a strong reputation across architecture, interior design, and industrial construction for its seamless aesthetics, minimal thickness, and ability to adhere to various substrates. Its versatility in both residential and commercial settings makes it an attractive alternative to tiles, concrete, or resin coatings. However, despite its many advantages, microcement is not a one-size-fits-all solution.
This article explores the key disadvantages of microcement, offering a balanced, expert perspective for manufacturers, contractors, architects, and design professionals. Understanding these limitations is essential for making informed decisions about specification, installation, and long-term performance.
1. Susceptibility to Cracking
While microcement is flexible compared to traditional cementitious coatings, cracking remains one of its most common issues—especially when applied over unstable or improperly prepared substrates.
Key Causes of Cracking:
- Substrate movement (e.g., wood floors expanding/contracting)
- Inadequate joint detailing
- Poor application technique or insufficient curing
- Use on exterior surfaces with extreme temperature variations
Best Practice: Always ensure the substrate is fully stable, well-primed, and reinforced (often with fibreglass mesh) before application. Control joints should be integrated where necessary.
2. Labor-Intensive Application
Unlike traditional coatings that can be rolled or sprayed quickly, microcement requires a skilled hand and multiple application stages, including:
- Surface preparation
- Priming
- Two or more base layers
- Fine finishing layers
- Sanding between coats
- Sealing and curing
This process is time-consuming, often taking 3–5 days to complete a standard area, and cannot be rushed without compromising the finish.
Practical Insight: Labour cost often accounts for more than 50% of total project cost, especially in regions with a shortage of trained installers.
3. High Initial Cost Compared to Standard Finishes
While microcement is competitive with high-end tiles or resin systems, its price per square metre is significantly higher than basic alternatives such as vinyl, laminate, or ceramic tiles.
- Material cost: £25–£40/m² (average)
- Labour cost: £40–£80/m² (depending on complexity and region)
Note: For large-scale commercial projects, this can substantially impact the budget unless clear benefits (e.g., branding, unique finish, ease of cleaning) justify the investment.
4. Requires Regular Maintenance
Although microcement is durable and resistant to wear, it is not completely maintenance-free.
Common Maintenance Tasks:
- Reapplying protective sealer every 2–5 years
- Using pH-neutral cleaners to avoid degrading the seal
- Avoiding abrasive tools or harsh chemicals
Unsealed or poorly maintained surfaces are vulnerable to staining, discolouration, and water ingress—especially in wet zones like bathrooms and kitchens.
Industry Tip: Clients should be educated post-installation on proper cleaning and maintenance to extend surface lifespan.
5. Not Ideal for All Substrates or Conditions
Microcement performs best on rigid, dry, and well-prepared substrates. It is not suitable for:
- Surfaces with high moisture content (e.g. rising damp)
- Dynamic or flexible surfaces (unless reinforced properly)
- Areas exposed to extreme UV exposure unless UV-resistant sealers are used
In addition, applying microcement in cold or high-humidity conditions can compromise curing and adhesion.
6. Limited Colour and Finish Repairs
Unlike tiles or wood flooring, where individual damaged elements can be replaced, microcement is a continuous finish. This means:
- Spot repairs can be difficult to blend seamlessly
- Colour matching older surfaces is challenging
- Resealing a worn or stained patch may require recoating a larger area
Recommendation: Keep a detailed record of product batch codes, application methods, and colour references to help with future touch-ups or repairs.
7. Sensitivity to Installation Quality
Microcement is highly dependent on correct application. Poor workmanship can lead to:
- Trowel marks or inconsistent textures
- Weak adhesion or bubbling
- Premature wear or surface delamination
For manufacturers and contractors, the solution is simple: only work with certified or experienced applicators and ensure installation teams follow the product’s technical data sheet (TDS) exactly.
Conclusion: Weighing the Pros and Cons
Microcement is a technically sophisticated surface finish that offers tremendous aesthetic and functional benefits. However, its disadvantages—particularly regarding cost, maintenance, and installation demands—should be carefully considered during project planning and specification.
For manufacturers, contractors, and architects, transparent communication with clients about these limitations helps manage expectations and ensures optimal project outcomes.