Britannia Plain Half Round Gutters


Our Britannia Cast Iron Plain Half Round gutters are available in various sizes and are supplied with a complete range of accessories such as angles, outlets, stop ends and various brackets. True radius gutters are also available on request.

Britannia Plain Half Round Profile
100 (4") 50*
114 (4½") 55*
125 (5") 60*
150 (6") 65*
Britannia Cast Iron Guttering - Plain Half Round Gutters Layout
Number Item
1 Internal Dropend Outlet
2 Internal Stopend
3 90° Universal Corner
4 120° Universal Corner
5 135° Universal Corner
6 Fascia Bracket
7 Running Outlet
8 Rise and Fall Bracket with Stay
9 Rise and Fall Bracket
10 Gutter Length
11 Side Fix Rafter Bracket
12 Union
13 Top Fix Rafter Bracket
14 External Dropend Outlet
15 External Stopend

Composition and Manufacture

  • Traditional Sand Cast Iron
  • Manufactured to BS460:1964
  • Bespoke fittings are available on request
  • Complies with all Listed Building, Heritage and Conservation requirements
  • Supplied Transit Primed or Factory applied wet paint finish in semi-gloss black or to a specific RAL/BS colour on request
  • Life expectancy of over 100 years

Cast Iron Gutter Installation

Gutter to be fitted on Britannia Brackets at 915mm centres with an additional bracket required for all running outlets and angles no further than 300mm from the joint.

Rafter Top-Fix, Side-Fix, or Rise and Fall brackets are to be fitted onto rafter ends at a maximum centre of 915mm.

Expansion gaps of 3-4mm are to be left within sockets.

Joints are to be made with a “Britannia” gutter jointing kit or by applying two beads of Dow Corning 791 Sealant into the gutter socket and securing using M6x25mm bolts, neoprene washers and nuts.

Full fitting instructions are supplied with every delivery.