Castle Composites Flat Porcelain Coping Stones

Castle Composites flat porcelain coping stones are designed to finish the top of an external wall with a clean, contemporary edge. Their porcelain construction provides a low-porosity surface, while underside drip checks help direct rainwater away from the face of the masonry. They are a considered option for garden walls and parapets where both appearance and water run-off matter.

A crisp, low-maintenance finish for exterior walls

• Porcelain coping stones for exterior masonry
• 600mm length with selectable widths of 150, 200, 300 and 400mm
• Colour choices: Bluestone Natural, Hammerstone Beige and Hammerstone Grey
• The existing product details state a 20mm thickness
• Drip checks are described on both sides of the coping

Choosing and fitting Castle Composites flat porcelain coping stones

Measure the finished wall width, then check the required overhang and position of the underside drip grooves before choosing a size. The existing supplier information specifies an SBR bond bridge when bedding these porcelain copings in mortar; alternatively, a compatible coping stone adhesive can be used. Follow the selected fixing system's current instructions and keep hand-finished edges oriented consistently.

Compare related porcelain and concrete coping stones before ordering.

Measuring wall copings and planning joints

A coping needs to do more than cover the top of a wall. Its width must accommodate the finished wall, the required projection and the location of the underside drips. Measure the wall after any render or facing finish has been allowed for, then compare this with the selectable 150, 200, 300 and 400mm widths. The 600mm lengths can be used to set out a repeated joint pattern.

Where a run meets a pier or changes direction, work through the junction before fixing the first piece. Porcelain is a different substrate from cast concrete; use only a bedding or adhesive method confirmed suitable for this product and observe the manufacturer's instructions on priming, bond preparation, joint widths and pointing. Consider a sample where the finished colour is important, particularly when matching existing porcelain paving.

Do I need to measure the wall before selecting coping width?

Yes. Measure the finished wall and check overhang on both sides, drip-groove clearance and any projecting caps or piers. The stone width should not be selected solely by the nominal brick or block size.

Related products and useful resources

You can browse flat coping stones while planning the work. You can also compare once-weathered wall copings while planning the work. You can browse twice-weathered coping stones while planning the work. You can also compare coping stone fixing accessories while planning the work.

Frequently asked questions

What are drip checks on a coping stone?

They are underside channels intended to encourage dripping away from the wall face rather than letting rainwater run straight down the masonry.

Can I mortar-bed these porcelain coping stones?

The existing manufacturer information calls for an SBR bond bridge when using mortar. Follow the current fixing guidance for the exact installation.

Which width should I buy?

Choose from the available 150, 200, 300 or 400mm widths after measuring the wall and allowing for the required overhang and drip-check position.

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