Masons 40 Below^™ Platinum Flashing Tape

Masons 40 Below Platinum is compatible with all building wraps and has an advanced poly-acrylic adhesive for an aggressive and dependable performance in temperatures from -10˚C to 40˚C.It has a distinctive silver aluminium facer, with excellent water resistance and a UV resistance of 180 days. This tape is super ultra-thin and pliable, so there is no build-up in corners. Masons 40 below Platinum is certified by CodeMark and complies with the New Zealand Building Code.

New Zealand Building Code Standard (NZBC)

• For a risk score between 0-20 in accordance with NZBC Acceptable Solution E2/AS1 - PASS
• B2 Durability, E2 External Moisture, and F2 Hazardous Materials. Reliable adhesion -10˚C to +40˚C
• NZS3604 Building Wind Zones up to and including ‘Extra High’ AS/NZS 4201.4:1994
• Tested to ASTM D3330 for adhesion and AAMA-711.5.21 for nail and screw sealability.

Physical Properties

• Silver foil facer.
• Works in temperatures from -10°C up to 40°C.
• Compatible with all building wraps.
• Compatible with most building sealants – check suitability with sealant manufacturers. Alternatively, do a patch test before use.
• UV resistance for up to 180 days
• Layers on sill for nail and screw sealability: 2
• Codemark certified.

Masons 40 Below™ Platinum Flashing Tape and Masons Corner Guards must be installed in accordance with the installation instructions downloadable from this page. Please also note:

• Ensure the 40 Below™ Tape completely covers the joinery opening.
• To ensure maximum adhesion of the tape, make sure the substrate surface is clean, dry, and free from any dust or other contaminants. Flaps are folded into the opening and secured.
• The building wrap is installed as shown to the exterior face of the frame. A window and door openings are cut at a 45˚ angle away from each corner, then the flaps are folded into the opening and secured.
• 40 Below™ Platinum Flashing Tape must not be stretched. When