3 is a polyethylene membrane that is designed for the drainage and the protection of foundations and basements. It offers a long-lasting protection and a high resistance to air compression: the air flows and your walls remain dry. FONDALINE helps to improve the thermal insulation of your house.

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Projects and testimonials

Thousands of users have already chosen Onduline solutions for their projects. Discover sample projects or find out what our customers have to say.

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