ARDEX Accredited WeldTec Applicators

As accredited installers of the ARDEX WeldTec waterproofing system, Grandoak Building delivers premium waterproofing solutions backed by industry-leading products and installation standards. Our accreditation demonstrates our commitment to quality workmanship, technical expertise, and ongoing training.

The WeldTec system provides robust, long-term waterproofing performance for balconies, rooftops, podiums, and wet areas, giving clients confidence that their assets are protected by proven systems installed to the highest standards.