Oldoryd's dimpled membranes are diffusion tight and produced in polypropylene. The membranes have a patented design that makes it easier to work with, has great strength and good drainage capacity when mounted. The membrane is manufactured in a way which ensures that the dimples have an even thickness throughout resulting in a very high compressive strength and are resistant to chemicals and are UV stabilized.
OLDROYD® foundation membranes and external insulation materials are excellent and an approved combination for use with local back fill materials. OLDROYD® patented Multi-Layer TechnologyTM gives an extremely strong foundation membrane. All necessary fastening plugs and finishing profiles can be supplied.