SIGA

SIGA is a leading Swiss manufacturer specialising in airtightness, wind‑tightness, and moisture‑management solutions for high‑performance building envelopes. Known for its precision engineering and uncompromising quality, SIGA develops membranes, tapes and accessories that help create energy‑efficient, durable, and moisture‑safe constructions in both residential and commercial buildings. SIGA focuses on producing non‑toxic, solvent‑free products designed to improve building performance and longevity. Their systems are widely used in timber‑frame, steel‑frame, and solid‑wall constructions, supporting airtightness standards required for low‑energy, Passivhaus, and modern insulated buildings.

All SIGA products are manufactured in Switzerland under strict quality controls, ensuring consistent performance and reliability on site. SIGA products are trusted for their long‑term reliability, installation efficiency, and high performance in demanding building‑envelope applications. Their membranes and tapes help ensure buildings remain airtight, wind‑tight, and moisture‑safe, supporting modern energy‑efficiency standards and long‑term structural protection.

Key Strengths

• Swiss engineering - precision‑made membranes and tapes with exceptional durability.
• Airtight & wind‑tight systems - reduce energy loss and improve thermal comfort.
• Advanced moisture management - directional vapour‑control technologies such as Hygrobrid®.
• Non‑toxic & solvent‑free - safe for installers and occupants.
• Passivhaus‑ready - supports high‑performance building standards.
• Reliable installation - tapes and accessories designed for long‑term adhesion.

Product Range

• Vapour control layers - including Majrex with directional Hygrobrid technology
• Wind‑tight membranes - for external façades and roof structures
• Airtightness tapes –-for sealing joints, penetrations and overlaps
• Window & façade tapes - for external weatherproofing
• Installation accessories - primers, rollers and detailing tools