Weir Plates, Scum Boards & Launder Channels

Racolin GRP weir plates, Scum Boards and Launder Channels are a perfect alternative solution to steel options. Not only do they last longer, they are lightweight, easier to handle, easier to fabricate on site and flexible enough to suit most curves or imperfections.

Key features:

Weir plates: Available as ‘V’ Notched or Plain

View on A

Scum boards are moulded flat sheets with joggled overlap joints.

For curved scum boards a thinner plate is used, which can be pulled round the diameter with the throw brackets


Polyester resin.

Glass reinforcement: E Type chopped strand mat, or woven glass fibre to BS 3496 and BS 3749.

Surface Finish

Gel coat/Flow coat resins to BS 3532. All cut edges are fully sealed with polyester resin.

Throw Brackets

Stainless Steel, galvanised steel or GRP adjustable throw brackets at 1000mm max centres with a throw between 100 and 300mm


Grade 316 stainless steel fixings and expansion/resin anchor bolts.

Launder Channels

Custom moulded in approximately 2m segments with 50mm joggled overlap joins

Available with Stainless Steel and GRP wall mounting brackets

Straight or Curved sections can be manufactured to suit requirements

Module Length: ≈2000mm + 50mm Joggled Overlap

Thickness: 4mm—15mm

50mm joggled overlap
Throw Brackets

Scum Boards:

As specified
Top of wall
50mm wide joggled overlap
2 lines of 25x6mm neoprene sealing strip
Stainless Steel anchor bolts
≈ 1000mm between brackets
≈ 1000mm between brackets
≈ 2000mm typical
2000mm typical
As specified
Slots at 400mm max
400 - 800mm

Copyright of Racolin Ltd 1983 to present

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01275 873946

Racolin Ltd
GRP Structural Products
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