Premium Waterproofing Chemicals for Durable Construction

Rama Hardware in Samastipur, Bihar, offers a diverse range of waterproofing chemicals from leading brands like Sika, Dr. Fixit, and Roff. Their selection includes SikaLatex Power, Dr. Fixit Plaster Master, and Sika Plastocrete Plus, catering to various construction needs.


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Rama Hardware offers a wide range of professional-grade waterproofing chemicals designed to protect homes, commercial buildings, and infrastructure from dampness, seepage, and structural damage. Ideal for contractors, builders, and homeowners, these solutions deliver long-lasting performance on roofs, bathrooms, water tanks, basements, and plaster work. With trusted brands like Sika, Dr. Fixit, and Roff, you get strong bonding, enhanced durability, and superior water resistance for new construction and repairs. Conveniently available at Takiya Chowk Kamrawan Dalsinghsarai, these waterproofing products help extend the life of concrete and masonry, minimise maintenance expenses, and keep interiors safe, hygienic, and dry throughout the year and across seasons.

High performance protection against leaks and dampness
Compatible with concrete, plaster, and masonry surfaces
Improves bonding strength and overall durability
Ideal for roofs, bathrooms, tanks and basements
Trusted brands Sika, Dr. Fixit and Roff
Helps reduce long-term repair and maintenance costs

Clean the surface thoroughly, removing dust, loose particles, oil, and grease. Mix the waterproofing chemical exactly as per the brand’s instructions, maintaining recommended ratios with water or cement. Apply using brush, roller, or spray in even coats. Allow proper curing time between coats and before plastering, tiling, or water contact.

For roof leakage, elastomeric liquid membranes and polymer-modified cementitious waterproofing chemicals work best. At Rama Hardware, popular choices include SikaLatex Power and Dr. Fixit roof solutions, which create a flexible, crack-bridging layer. They offer strong adhesion, UV resistance, and long-lasting protection when applied on a clean, properly prepared roof surface.

Selecting the right waterproofing chemical depends on the area and problem type. For roofs and terraces, go for liquid membranes; for bathrooms and kitchens, use cementitious or polymer-based slurries; for concrete admixture, Sika Plastocrete Plus works well. Consider surface type, exposure to weather, and manufacturer guidelines before deciding.

Yes, many waterproofing chemicals are designed to be mixed with cement or mortar to enhance bonding and reduce water permeability. Products like SikaLatex Power and certain Dr. Fixit variants act as integral waterproofing admixtures or bonding agents. Always follow the recommended mixing ratios on the product label for best performance and durability.

The lifespan of a waterproofing chemical on concrete typically ranges from 5 to 10 years, depending on product quality, surface preparation, application thickness, and exposure conditions. High-grade products from brands like Sika, Dr. Fixit, and Roff can last longer if applied correctly and maintained, especially on roofs and wet areas.

Many specialized waterproofing chemicals are formulated to be safe for potable water tanks once fully cured. Always check the product label for “potable water safe” or similar certification. Use only approved products from trusted brands, follow curing times strictly, and flush the tank as recommended before storing drinking water.