Wraptite-SA, the airtight membrane from the A Proctor Group, has surpassed the initial air test targets for a new children’s home project, according to the company. The Anchorage at Dibden Purlieu is one of five buildings currently being built to Passivhaus standard.The development was designed requiring an airtightness level of less than 0.5. Wraptite-SA was applied externally to the timber …