FloPlast Niagara Ogee 110mm Gutter Length (4m)

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  • Hardware > Building Materials > Roofing > Gutter Accessories
Niagara Ogee 110mm Gutter Length from FloPlast (Available in 4 popular colours)... more
Product information "FloPlast Niagara Ogee 110mm Gutter Length (4m)"

Niagara Ogee 110mm Gutter Length from FloPlast

(Available in 4 popular colours)

High capacity with traditional appearance!

Length of 110mm ogee gutter with attractive scalloped face for a traditional appearance. Guaranteed for durability and colour-fastness, these 4m long plastic gutter extrusions fit quickly and simply to easy-clip unions, corners and more.

The FlowPlast Niagara gutter parts and lengths, carry the British Standard Institute (BSI) Kitemark, and are manufactured using the best quality PVC-u, manufactured to BS EN 12200-1, and the system also proudly meets the requirements of BS EN 607, and BS EN 1462.

At 110mm wide and 80mm deep, the FloPlast Niagara gutter is an excellent choice for both old or new domestic and small commercial properties.

Features & Benefits

  • Traditional appearance - attractive scalloped face
  • High flow rate - double capacity of half round
  • Reliable water seal - pre-fitted gasket and clip
  • Improved aesthetics - concealed top-hung bracket option
  • Quick and easy fitting - parts just clip together
  • Choice of downpipe - square (68mm) or round (68mm/80mm)
  • 10 year guarantee - colour and performance you can trust

The FloPlast Niagara Ogee Gutter System

Floplast Niagra Ogee gutter and components

Technical Information

The following provides information about the FloPlast Niagara 110mm ogee gutter system.

Gutter Size (w x h x l) 110mm x 80mm x 4m
Application Domestic rainwater system for homes, conservatories, and small commercial properties.
Material PVC-u (Un-plasticised Poly Vinyl Chloride)
Colour White, Black, Brown(suits Rosewood or Mahogany frames),and Anthracite Grey
Quality and Standards The FloPlast Niagara, Half Round and Square Line products are manufactured under a quality management system assessed and registered as meeting BS EN ISO 9001:2000, and carry the British Standard Institute (BSI) Kitemark (KM501316), having passed the requirements of: BS EN 607: 2004 (Gutters and fittings)
BS EN 12200-1:2000, BS EN 1329-1:2014 and BS 1453-1:2000 (Downpipes and fittings)
BS EN 1462: 2004 (Gutter brackets)
Fire Resistance FloPlast gutters, pipes and fittings are manufactured in PVC-U, which is not easily ignitable and will not support combustion.

Gutter Flow Rate

When planning rainwater guttering, be sure that the flow rate of the configuration exceeds the calculated runoff from the roof. We have created a How to Measure Roof Rainwater Runoff blog post that can help calculate the runoff for a standard mono-pitched roof.

End Outlet in Gutter

SystemDownpipeGutter LevelGutter with Fall (1:350)
Gutter Flow
Roof Area
Gutter Flow
Roof Area
Half Round 68mm Round 0.92 44 1.17 56
Square Line 65mm Square 1.7 81 2.00 96
Niagara65mm Square2.41152.90139

Centre Outlet in Gutter

SystemDownpipeGutter LevelGutter with Fall (1:350)
Gutter Flow
Roof Area
Gutter Flow
Roof Area
Half Round 68mm Round 1.80 86 2.60 125
Square Line 65mm Square 3.41 163 3.95 189
Niagara65mm Square4.502165.30139

From this we can see that a centre outlet almost doubles drainage so is more efficient and could mean less outlets required.

Fitting and Usage

The following is offered as a simple overview of fitting FloPlast gutter to a standard domestic fascia. For detailed advice, please refer to the step-by-step or detailed fitting instructions.

  1. Plan the installation with gutter system and components based on the design and flowrate of your roof.
  2. Position running outlet directly over the drain, and fit no more than 50mm below the level of the roof tiles.
  3. Fit a bracket 100mm short of opposite end from outlet, and tie a plumb line to it, with the string from the top face of the bottom, where the gutter rests.
  4. Stretch the plumb line and tie to the outlet, with the string on top face where the gutter rests.
  5. Check that there is a fall towards the outlet of 1:350 to encourage efficient drainage.
  6. Measure, mark and fix brackets along the fascia, using the plumb line for vertical position.
    • Maximum spacing of 1m for Half Round and Square Line, and 800mm for Niagara ogee.
    • Maximum spacing of 400mm in areas of heavy snowfall.
    • Fit no further than 150mm from any joints, such as unions, corners and stopends.
    • Use 25mm x 5mm roundhead brass or zinc screws to secure brackets.
  7. Fit gutter lengths, starting from the outlet, then adding unions and other parts as you go.
    • Ensure gutter overlaps joints to the insertion marks stamped on gutter parts.
    • Fit parts to gutter ends before screwing part to fascia.
    • Fit gutter lengths back to front by tilting the back edge under the back clip, and snap in at the front.
    • Use of a lubricant, such as silicone grease, on gasket seals can ease fitting and improve performance.
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