IMPA: 232211

Waterproof Cotton Canvas – Heavy-Duty Marine Fabric

Our waterproof cotton canvas is a reliable choice for marine and shipboard applications. Treated with a water-repellent finish, this versatile fabric provides exceptional protection against moisture, salt spray, and wind. It is commonly used for boat covers, tarpaulins, awnings, sail bags, and other deck equipment. The tight-weave cotton construction offers excellent breathability, reducing condensation and the risk of mold.

Designed to meet the demands of the maritime environment, this canvas delivers high tensile strength and resistance to tearing, ensuring long-lasting performance even in harsh conditions. The fabric is easy to work with — it can be cut, sewn, and fitted to your specific requirements. Whether you are outfitting a commercial vessel or a leisure craft, this waterproof canvas is an essential addition to your ship supply inventory.

Available in a range of weights and roll sizes, this canvas is a cost-effective solution for protecting gear and equipment. Trusted by seafarers and ship chandlers alike, it meets the highest standards of durability and performance. Keep your boat in top condition with this dependable, marine-grade cotton canvas.

Key Features

Technical Specifications

PropertyValue
Material100% Cotton Canvas
WaterproofingParaffin-based water-repellent finish
Weight500 g/m² (~15 oz/yd²)
Width2.0 m (78.7 inches)
Roll Length50 m (164 ft)
Tensile Strength (Warp)≥ 900 N / 5 cm
Tensile Strength (Weft)≥ 700 N / 5 cm
ColourNatural / Army Green / Black
ResistanceWater, UV, Mould

Frequently Asked Questions

Is this canvas truly waterproof?

Yes, the cotton fabric is treated with a paraffin-based water-repellent finish, making it highly resistant to water penetration. For extended exposure, we recommend periodic reproofing.

Can this canvas be used for boat covers?

Absolutely. It is ideal for covering boats, equipment, and cargo. Its breathable nature prevents trapping moisture, reducing the risk of mould and mildew.

How should I store the canvas when not in use?

Store the canvas in a dry, well-ventilated area. Ensure it is completely dry before folding to prevent mildew growth. Avoid long-term exposure to direct sunlight to extend its lifespan.

Can it be painted or used as a base for further treatment?

Yes, the unblended cotton surface accepts paints and additional waterproof treatments. This makes it suitable for custom applications.

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