SOUDATIGHT SP SPRAYABLE

Soudatight SP – Sprayable Airtight & Vapour Control Membrane

Soudatight SP is a high-performance, sprayable air and vapour barrier membrane designed for seamless, elastic coverage across larger surface areas and construction joints. Ideal for passive house builds and energy-efficient constructions, Soudatight SP creates a fully airtight, paintable, and plaster-ready membrane that delivers long-term protection and performance.

Recommended for wall-floor, wall-ceiling, and internal window reveal connections, Soudatight SP ensures easy, fast, and economical installation using airless or air-assisted spraying equipment.

Key Features

• ✅ Air- & Vapour Tight – Forms a seamless, elastic membrane

• ✅ Sprayable for Fast Application – Ideal for large surface areas

• ✅ Excellent Adhesion – Bonds to porous, slightly damp or dusty surfaces

• ✅ Paintable & Plasterable – Suitable for finishing after curing

• ✅ Certified Low Emissions – GEV EMICODE EC-1 PLUS

• ✅ Passive House Certified – Ideal for high-performance building envelopes

Typical Applications

• Airtight finishing of wall-to-floor, wall-to-ceiling, and wall-to-wall junctions

• Interior window connections (reveal areas)

• Substrates prior to painting or plastering

• Acoustic and thermal insulation enhancement

• All A, A+, and A++ rated windows and doors

How to Apply

• Use a professional airless spray system with membrane or plunger pump

• Apply minimum two layers for full coverage – cross-apply at different angles

• Target a wet film thickness of 1–3mm, measured with a wet film comb

• For windows: apply 3mm membrane on frame, foam, and extend 5cm onto wall

• For wall junctions: apply 15cm onto each joining surface

• Use masking tape for clean edges, removed before full curing

Pro Tip: Combine with Soudatight LQ (brushable version) for detailed areas and joints.