Masons 40 Below Window Tape & Masons Butyl Tape
- Valid from
- Information provider
- Ministry of Business, Innovation and Employment
- CertMark International Pty Ltd
- Information type
- Product Certificate (CodeMark)
40 Below Window Tape & Masons Butyl Tape is a self-adhered, flashing tape designed to protect window penetrations from moisture infiltration.
When integrated into the wall system and used in accordance with the manufacturers instructions, the tape will provide a secondary defence against water penetrating. 40 Below Window Tape can also be used as a Rigid Air Barrier Tape.