Betagum 4250 4mm Bitumen Sheet

Key features include excellent mechanical properties, absolute impermeability to water, flexibility at low temperatures (down to -2°C), and high dimensional stability, with good adhesion to various surfaces.

Betagum 4250 is applied using propane torch welding, with a clean and dry surface, and a bituminous primer recommended before laying the membrane. Proper overlapping and heating are essential for effective installation.

The membrane has a standard thickness of 4mm, a nominal roll length of 10 meters, and a width of 1 meter, with different weight specifications, such as 4kg/m².

It is suitable for single and double-layer roofing systems, waterproofing of wet areas like toilets, slab-on-grade applications, and exposed roofing systems in low-traffic areas.

Betagum 4250 should be stored vertically in a well-ventilated area, protected from direct sunlight, to maintain the product's integrity before installation.

The product is environmentally friendly, adhering to ISO 9001 quality standards, with a manufacturing process focused on sustainability and high performance.

The Modern Waterproofing Company ensures quality through stringent control measures, including in-house laboratory testing and independent analyses, with individual coding for traceability and compliance with international standards.