About Us

Welcome to Zerah International WLL – your trusted provider of premium surface treatments and flooring solutions. We specialize in epoxy coating, waterproofing, micro topping, carpet flooring, and a range of other services designed to enhance the functionality, durability, and appearance of your property.

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Water Proofing For Roof & Wet Area in Qatar

Waterproofing is a critical component in the construction and maintenance of buildings, particularly in areas exposed to moisture and water, such as roofs and wet areas. Proper Wet Area Waterproofing ensures the integrity of a structure by preventing water ingress that can lead to structural damage, mold growth, and other issues. Investing in high-quality waterproofing solutions for roofs and wet areas not only protects your property but also extends its lifespan.

Why Waterproofing is Essential


Waterproofing is vital for any building, whether it's a commercial space, residential property, or industrial facility. The consequences of inadequate waterproofing can be severe, including:


  • Structural Damage: Water infiltration can weaken the structural components of a building, leading to costly repairs.

  • Health Risks: Moisture can encourage the growth of mold and mildew, which are harmful to health.

  • Decreased Property Value: Water damage can significantly reduce the value of a property.

Roof Waterproofing

Liquid Membrane

A flexible, liquid-applied membrane that forms a seamless barrier against water.

Bituminous Membrane

A durable, roll-based material that offers strong protection against water ingress.

Polyurethane Coating

A highly elastic coating that provides excellent resistance to weathering and UV radiation.

Wet Area Waterproofing

Cementitious Waterproofing

A cost-effective solution that involves applying a cement-based coating to wet areas, offering a durable and water-resistant layer.

Sheet Membrane

Pre-formed sheets that are applied to walls and floors, providing a waterproof barrier that is ideal for bathrooms and wet rooms.

Liquid Applied Membrane

This method involves applying a liquid membrane that dries to form a seamless, waterproof barrier.