Project Journal: Durable Silicone Rendering for a Coastal Farmhouse Extension – Swanage, Dorset

At Measure Twice, we understand that homes in coastal locations face unique challenges. Salt-laden air, high winds, and fluctuating moisture levels can quickly wear down traditional materials. That’s why for this farmhouse extension in Swanage, Dorset, we selected a rendering system designed with durability in mind.

✅ The Brief

Our client needed a clean, long-lasting finish for their new extension—one that could handle the harsh coastal environment without constant upkeep. As a trusted building company in Dorset, our priority was delivering a solution that was both practical and visually appealing.

🧱 The Solution: Silicone Render Over Cement Board

We opted for a silicone render system applied over cement board—a combination known for:

  • High breathability

  • Excellent weather resistance

  • UV stability and colour retention

  • Low maintenance

Silicone render provides a sleek, modern appearance, while its flexible nature makes it less prone to cracking, even with the natural movement of buildings in changing coastal conditions.

🛠️ The Process

  • Prepared and fixed cement board substrate to the new extension.

  • Applied a full silicone render system, including base coat, mesh, primer, and topcoat.

  • Finished with clean edges, ensuring the extension seamlessly blended with the existing farmhouse structure.

The final result is a sharp, weather-ready exterior that’s perfectly suited for the local environment, and built to last—both functionally and aesthetically.

🌊 Built for Dorset

As a construction company in Dorset, we take pride in tailoring our approach to suit local conditions—whether it’s coastal exposure, heritage property requirements, or modern new builds. Every detail is measured, managed, and executed with precision.

Looking for a Dorset-based building company that understands the details that matter? Get in touch—we’d love to hear about your next project.

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