Masons 40 Below™ Flashing Tape – 100mm x 20m

High‑Performance Self‑Adhesive Flashing for Windows, Doors & Joinery

40 Below™ Flashing Tape is a trusted, high‑performance self‑adhesive flashing designed to seal around windows, doors, and joinery openings as a secondary defence against water penetration. With a long‑proven track record on New Zealand building sites, this classic white‑facer tape delivers exceptional adhesion, reliability, and value.

At only 0.2mm thin, it allows easier fitting of windows and doors while maintaining strong, dependable weather protection. Fully compatible with most building wraps and sealants, 40 Below™ eliminates compatibility issues and keeps installation simple.

Specifications

• Width: 100mm

• Length: 20m

• Thickness: 0.2mm

• Colour: White facer

• Application: Timber framing, joinery openings, window & door flashing Taping lintel bars

SKU: 40below100x20

Barcode: 9421029152104