Sika Boom S – Expansive Polyurethane Foam for Mounting and Filling

Sika Boom® S is a one-component, fast-curing polyurethane foam ideal for assembly, sealing, and insulation. Thanks to its excellent expansion and ease of use, it is recommended for construction, installation, and renovation work.

Main applications

This expanding foam is used for:

• 🪟 Door, window, and frame assembly
• 🧱 Filling voids around pipes, ducts, window casings, etc.
• 🛑 Thermal and acoustic insulation against the cold, heat, noise, and drafts
• 🛠️ Fixation and sealing in new constructions or renovations

🌟 Product Benefits

• ready to use, single-component
• Easy setup with included adapter
• High expansion (~32 liters for 750 ml)
• Rapid hardening (~10 min to touch, 25 min for cutting)
• Excellent thermal and acoustic insulation
• CFC free – environmentally friendly
• In accordance with the requirements LEED® EQc 4.1