A Reliable Waterproofing System for Pakistan’s Climate – Powered by Roofgrip
Water leakage is one of the most common—and costly—issues faced in buildings across Pakistan. Whether it’s roof seepage during monsoon season or damp basements in high groundwater areas, waterproofing is not just a finishing step—it’s a critical protection layer for your structure.
One of the most trusted waterproofing systems globally and in Pakistan is the Modified Bituminous Waterproofing Membrane, especially in the form of torch-applied membranes like Roofgrip.
A Complete Guide for Builders, Architects & Property Owners
Waterproofing is essential in modern construction. Without it, buildings face costly issues like dampness, ceiling leaks, and concrete degradation. One of the most trusted and durable solutions available today is the modified bituminous waterproofing membrane—widely used in Pakistan for roofs, basements, terraces, and water-retaining structures.
This guide explains what modified bituminous membranes are, how they work, where they’re used, and why Roofgrip Waterproofing Membrane is a preferred solution for lasting protection.
What Is a Modified Bituminous Waterproofing Membrane?
A modified bituminous waterproofing membrane is a factory-manufactured, flexible sheet composed of asphalt (bitumen) enhanced with polymers like APP (Atactic Polypropylene) or SBS (Styrene-Butadiene-Styrene). These polymers improve the membrane’s flexibility, weather resistance, and durability.
The membrane is reinforced with polyester or fiberglass fabric, giving it extra strength to withstand movement, temperature extremes, and foot traffic.
Why Choose Roofgrip Waterproofing Membrane?
At Roofgrip, we manufacture high-performance APP-modified bituminous membranes specifically designed for Pakistan’s climate and construction needs.
Key Features of Roofgrip Membrane:
UV & Heat Resistant: Withstands harsh sun and high surface temperatures
Durable Reinforcement: Polyester core for high tensile strength
Waterproof & Root Resistant: Suitable for planters and green roofs
Available in Multiple Thicknesses: 3mm and 4mm options
Exposed or Concealed Use: Versatile for rooftops, basements, and wet areas
Composition of the Membrane
Bitumen (Asphalt): The base waterproofing material
Polymer Modifier:
APP (Atactic Polypropylene): Excellent UV and heat resistance—ideal for Pakistan’s hot climate
SBS (Styrene-Butadiene-Styrene): Better flexibility in colder conditions
Reinforcement Layer: Polyester for mechanical strength
Surface Finish: Granule, HDPE, Aluminum
Types of Application
-
Torch-Applied Membranes
Heated using a propane torch and bonded directly to primed concrete.
Ideal for: Roofs, podiums, foundations, water tanks, basements
-
Self-Adhesive Membranes
Peel-and-stick type; used for smaller or sensitive surfaces.
Modified bitumen membranes are versatile and can be applied in:
Flat RCC roofs (under tiles or screed)
Open terraces and balconies
Underground basements and retaining walls
Water tanks (outer surface)
Bathrooms and kitchens (beneath tile bedding)
Podiums, planters, and bridge decks
Expansion joint systems (with Roofline JSC)
DPC ( Damp Proof Course )
Roofgrip Membranes are trusted by contractors, consultants, and developers across Pakistan in residential, commercial, and industrial projects.
Conclusion
If you’re looking for a waterproofing solution that combines durability, flexibility, and local climate suitability, the Roofgrip Waterproofing Membrane is your go-to product. Whether for exposed roofs, concealed bathrooms, or deep basements, Roofgrip offers dependable waterproofing protection that’s been tested across Pakistan.


