CARLISLE, Pa. - Carlisle SynTec Inc. announced the sale of the one-billionth square foot of its Sure-Weld TPO membrane. Introduced in 1997, the record-setting membrane was installed at Beringer Vineyards in St. Helena, Calif.. Totaling 120,000 square feet, the project covered two buildings and was installed by Warren Construction & Roofing Inc. from nearby Santa Rosa.