SIGA

SIGA tapes and membranes are trusted worldwide for creating airtight, weatherproof, and energy-efficient building envelopes. Designed for high-performance construction, SIGA products help reduce air leakage, protect against moisture intrusion, and improve long-term building durability.

The SIGA product line includes industry-leading solutions such as SIGA Majvest weather-resistive barriers, SIGA Majrex intelligent vapor control membranes, and sealing tapes like SIGA Rissan, Wigluv, and Sicrall. Each product is engineered for strong adhesion, flexibility, and long-lasting performance, even in challenging jobsite conditions.

By eliminating thermal bridges, preventing drafts, and maintaining vapour permeability where required, SIGA membranes and tapes contribute to superior indoor comfort and reduced energy costs. Trusted by builders, architects, and contractors, SIGA is a leading choice for passive house, net-zero, and other high-performance projects.