Post Caps, Finials & Toppers

Premium Sign Post Finials & Caps for Professional Sign Makers

Enhance the finish, durability, and aesthetics of your signage installations with our top-quality sign post finials and caps, trusted by professional sign makers across the UK. Whether you're seeking a secure fit, stylish appearance, or long-lasting weather resistance, our range is designed to deliver both functionality and visual impact.

Internal Push-Fit Post Caps – Sleek & Secure Protection

Our Internal Post Caps are designed for a clean, seamless finish to round or square sign posts. Made from durable black PVC, these push-fit caps are quick to install and ideal for giving posts a neat appearance while protecting them from moisture, dirt, and corrosion. Available in multiple diameters to suit standard sizes, they’re the perfect choice for internal-fit applications that require a smooth, professional look.

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External Black PVC Post Caps – Weatherproof & Hardwearing

Our External Post Caps are made from hard-wearing black PVC to provide robust protection for the top of your sign posts. Designed to fit snugly over the outer edge of both round and square posts, these caps guard against water ingress and environmental damage—making them ideal for long-term outdoor signage. An essential finishing component for post-mounted sign installations.

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Aluminium Cast Sign Post Finials – Decorative Toppers That Impress

Elevate your signage with our beautifully designed aluminium cast sign post finials. These high-quality decorative toppers are engineered to complement a range of post sizes and styles, adding a classic or heritage look to directional, estate, and commercial signage. Choose from multiple finial shapes—including ball, acorn, and spear styles—to suit any project requirement.

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Why Sign Makers Choose Sign Trade Supplies

• ✅ High-quality materials for reliable, long-lasting installations

• ✅ Easy-to-fit designs to streamline your workflow

• ✅ Range of sizes and finishes for any signage project

• ✅ Fast UK delivery and expert customer service

Whether you're fabricating signage for local authorities, private estates, commercial parks or wayfinding systems, our collection of sign post caps and finials ensures a premium finish every time.