Visqueen Ultimate GeoSeal is a pre-applied membrane. Manufactured using Visqueen’s advanced barrier technology, the Ultimate GeoSeal is suitable for applications that are affected by aggressive chemicals such as benzene, toluene, ethyl benzene and xylene (BTEX). Made to comply with current guidance on waterproofing, Volatile Organic Compounds (VOCs) and ground gases. Suitable for both Tanking and DPM applications. Ultimate GeoSeal is textured on one side to aid adhesion to concrete. Available in a large roll format to minimise jointing and to speed up installation times. Conforms in full to BS8102:2009, CIRIA C748 and BS8485:2015.