Company Name: Gundle API (Pty) Ltd
Address: P O Box 455 SPRINGS 1560
Telephone: +27 (0)11 813 2180
Fax : +27 (0)11 813 2189
Gundle Gunplas UT 250 Undertile Membrane is manufactured by the certificate holder from three layers of tri-extruded polyethylene film each 83 (micrometres) thick the outer layers consisting of virgin polyethylene film that is UV stabilised and has a heat-resistant additive. The finished thickness of the membrane is 250 (micrometres) . It is blue on one side and white on the other. In roofing installations either colour may be used on top. The membrane is supplied in 30 m long by 6 m wide sheets that are folded double and despatched from the factory in 3 m wide rolls. Gundle Gunplas UT 250 may be installed under all types of roof tiles in a conventional manner in all areas of South Africa to:reduce air movement between tiles by maintaining a balanced air pressure on both sides of the roof tiles.reduce the likelihood of tiles being dislodged by wind action.reduce ingress to the roof space of wind-driven rain and dust.
This certificate and Agrément South Africa’s assessment apply only to Gundle Gunplas UT 250 Undertile Membrane that is manufactured by the certificate holder and installed under roof tiles as described and illustrated in this certificate where the terms and conditions of certification are adhered to.