BTU stand’s for British Thermal Units. This was the old (Imperial) measurement for heat in connection with plumbing. Although BTU’s is a term still commonly used within the heating and plumbing, the industry is now going over to KW’s Kilowatts.
Established 1893 | BS 460:2002 Certified | UK & International Supply | Expert Technical Support | 0333 987 4452
Brett Martin Drive in Gutter Spike for Rise & Fall Gutter Brackets. Manufactured in high-grade mild steel and galvanised finished
Suitable for all Brett Martin, including: Roundstyle, Squarestyle, Deepstyle and Prostyle
BTU stand’s for British Thermal Units. This was the old (Imperial) measurement for heat in connection with plumbing. Although BTU’s is a term still commonly used within the heating and plumbing, the industry is now going over to KW’s Kilowatts.
Yes. Cast iron rainwater goods are widely accepted by conservation officers and historic environment bodies as the appropriate material for listed buildings. Tuscan Foundry's hopper heads are manufactured in solid cast iron to BS 460 specification and are suitable for all listed building grades. A linseed oil paint finish is also available, which is particularly appropriate for conservation projects.
Prices are shown on each product page. For project quantities, conservation specifications, or to discuss suitability for a listed building, call 0333 987 4452 or use the contact form.
Yes. Cast iron airbricks are the appropriate material for listed buildings and conservation area properties where the original ventilation grilles were cast iron. They maintain the character and material authenticity required by most conservation officers and listed building consent conditions. We recommend confirming the specific pattern with your conservation officer before ordering.
The Pultney Tapered Hopper Head is available in three pipe connection sizes: 65mm (2.5"), 75mm (3"), and 100mm (4"). Each size connects directly to matching cast iron downpipes via spigot and socket. Compatible downpipe codes are: 65mm — RH025, XRH025; 75mm — RH03, XRH03; 100mm — RH04, XRH04.
Yes. Cast iron rainwater goods are widely accepted by conservation officers and historic environment bodies as the appropriate material for listed buildings. Tuscan Foundry's hopper heads are manufactured in solid cast iron to BS 460 specification and are suitable for all listed building classes. A linseed oil paint finish is also available, which is particularly appropriate for conservation projects.
Prices are shown on each product page for both sizes and all three finishes. For project quantities, specification support, or conservation enquiries, call us on 0333 987 4452 or use the contact form on our website.
Prices are shown on each product page. For project quantities, specification advice, or a formal quotation, please call 0333 987 4452 or use the contact form.
The Brass Rooflight Hand Winder Opener – Telescopic is available in 150mm, 250mm, and 300mm sizes. The telescopic mechanism provides flexibility to accommodate varying rooflight positions and throw requirements. Throw: 165mm.
The Cast Iron Louvre Airbrick (F020802AFC) is available in 225mm × 75mm, 225mm × 150mm, and 225mm × 225mm — standard brick course heights. All sizes share a consistent depth for straightforward like-for-like replacement of original cast iron louvre airbricks.


