membrane at 250mm horizontal and vertical centres. The welded mesh and fixing plugs allow for direct render 1.1.6. (cement/lime/sand), or plasters: Tarmac Whitewall, Carlite Bonding, or dab fixed plasterboard for internal applications. When this grade is used for external above ground protection polymer renders can be used as a finish. These renders are polymer modified and can also have reinforcing fibres incorporated for added strength and durability. This grade is available in clear 2.0m x 20m (40m2),1.5m x 10m (15m2) or 1.0m x 15m (15m2).

DELTA MS 20 This is a heavy gauge version of System 500 with deep 20mm studs. This is used where extra drainage capacity is required, for example on deeper structures, or where a larger flow rate is required. MS 20 can also be

used as a ‘cavity former’ for many types of new construction. The rolls are a full 2 metre width by 20 metres in length (40m2).

Product Guarantee DELTA membrane systems can come with a thirty year product guarantee when installed by registered installers. The guarantee covers the membrane and ancillary components. Based on experience, accelerated ageing tests and a quality manufacturing system to ISO 9001, the DELTA range can also be guaranteed with confidence.

Technical site and/or office visits

Staff are available to visit site to give advice on particularly difficult or unusual situations, where appropriate specifications are prepared to assist in the correct use of the system.