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.

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.

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.

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