Prices are shown on each product page. For project quantities, bespoke specifications, or conservation-related queries, please call us on 0333 987 4452 or use the contact form on our website.
Established 1893 | BS 460:2002 Certified | UK & International Supply | Expert Technical Support | 0333 987 4452
£34.50 +VAT
Osma roofline top rafter rise and fall adjustable gutter bracket. Our bespoke top rafter rise and fall gutter bracket is designed to suit the Osma Roofline system and is available with black and grey riser cups.
Osma Roofline guttering bracket, adjustable rise and fall, top rafter
Osma Roofline 6T694 bow and pin rise and fall gutter bracket 150mm
Bespoke made – 10 – 14 days.
Application similar to: Osma OT147G side rafter arm
The ORL-TRRF is a bespoke top rafter-mounted rise and fall gutter bracket, manufactured to suit the Osma Roofline half-round PVC guttering system. The top rafter bracket is the appropriate fixing solution where the bracket needs to be secured to the top surface of a rafter rather than the fascia face or rafter side — typically where roof construction or access conditions make top-fixing the most practical or structurally sound option.
The bracket features a right-angled galvanised steel rafter plate for top-surface fixing, combined with a threaded steel riser column and bow-and-pin gutter cup in black or grey. The adjustable riser provides full fall control along the gutter run. Compatible with the Osma Roofline 6T694 system, and designed as a functional equivalent to the Osma OT147G side rafter arm.
Used on open eaves and cut roof constructions where top rafter access is available and preferred, and on refurbishment projects where the existing roof structure dictates the fixing method. Suits both residential and light commercial applications with Osma Roofline guttering.
Manufactured to order in black or grey riser cup options. Lead time 10–14 working days from order confirmation.
System compatibility: Osma Roofline half-round guttering system. Replaces Osma OT147G side rafter arm. For specification queries, call 0333 987 4452.
| Colour | Black, Grey |
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Prices are shown on each product page. For project quantities, bespoke specifications, or conservation-related queries, please call us on 0333 987 4452 or use the contact form on our website.
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, specification advice, or a formal quotation, please call 0333 987 4452 or use the contact form.
Yes. Cast iron is the material required by most conservation officers and listed building consents for the replacement or replication of traditional rainwater goods. Our hopper heads are produced in solid cast iron and we can assist with specification notes or material statements for planning purposes if required.
The Iron Works Patterned Hit & Miss Vent suits Victorian and Edwardian buildings where decorative cast iron or brass ventilation grilles were part of the original specification — including terrace houses, civic buildings, churches, entrance halls, and estate properties. It is appropriate on listed buildings and conservation area properties as a like-for-like decorative vent replacement, and on new heritage-quality construction where period detailing is required.
Our bespoke rise and fall gutter brackets — including fascia, side rafter, and top rafter variants for Osma Roofline and Osma SuperLine systems — are manufactured to order. The standard lead time is 10–14 working days from receipt of a confirmed order. If you have a programme deadline, please call us on 0333 987 4452 and we will advise on current availability.
Prices for standard cast iron hopper heads are shown on the product page. For larger quantities, bespoke sizing, heritage colour finishes, or full rainwater system specifications, please call 0333 987 4452 or use the contact form.
Select your required size and finish options from the product page and add to cart for an instant price. For project quantities, bespoke requirements, or any specification queries, please call 0333 987 4452 or use the contact form at tuscanfoundry.com.
Yes. Polished brass ironmongery is historically appropriate for period buildings and is generally acceptable to conservation officers for listed building projects. If you require confirmation for your specific scheme, we are happy to advise — call 0333 987 4452.
The Antique Black finish suits Victorian, Edwardian, and inter-war buildings where ventilation ironwork was painted rather than polished — estate houses, terrace housing, civic buildings, and rural properties. It is also correct for listed buildings and conservation area properties requiring like-for-like replacement of original ornamental cast iron vents.


