IKO has over 110 years of experience in the production of waterproofing systems. IKO bituminous roofing membranes have a lifespan of at least 35 years.
We can make this promise based on independent studies conducted by the BDA Group (Bureau Dak Advies) and more recently by the EWA (European Waterproofing Association).
The major advantage of bituminous roofs is that they can be easily overlaid with a new bituminous layer on top of the existing one, without needing to remove the old membrane. This allows the lifespan to be extended—with one or two renovations—to more than 105 years.
More information can be found in the attached document.