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Black gutter seal made of durable material, featuring a rectangular shape with ridged texture, designed for 100mm gutters in the Osma SquareLine range.

Osma SquareLine 4T864 Gutter Seal 100mm Black

by Osma

£1.50
GTIN05011479101988
EAN5011479101988
MPN863263
Prices updated 8 Jul 2026

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Prices checked 1d ago
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Travis Perkins

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Out of stock£30.00 deliveryStandard
£1.50

£31.50 total inc. delivery

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Product Description

Osma SquareLine is a 100mm (4") square section gutter system with 61mm square pipe - suitable for a maximum roof area of 178m² (with one downpipe) Spare seal for SquareLine gutter fittings Multi-ribbed for extra sealing contact Retained seal to provide secure, watertight joint Flexible EPDM material

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