The Sika® Boom-140 is a premium one-component expanding polyurethane (PU) foam designed for professional sealing, filling, insulating, and fixing applications in construction and renovation projects. With its high expansion rate and excellent adhesion to most common building materials, it provides an effective solution for filling gaps, sealing joints, and improving thermal and sound insulation.
Ready to use and easy to apply, Sika® Boom-140 cures quickly upon contact with moisture, forming a durable, lightweight foam that can be cut, sanded, trimmed, and painted after curing. It is ideal for sealing around window and door frames, pipe penetrations, air-conditioning ducts, cable openings, and wall gaps, helping reduce air leakage, dust, noise, heat, and cold transfer.
Suitable for residential, commercial, and industrial construction, Sika® Boom-140 is an excellent choice for contractors, installers, and DIY users seeking reliable insulation and gap-filling performance.
One-component expanding polyurethane (PU) foam
High expansion rate for efficient gap filling
Excellent adhesion to most construction materials
Fast curing and easy application
Excellent thermal and sound insulation
Can be cut, sanded, trimmed, and painted after curing
Free from formaldehyde and xylene
Suitable for indoor and outdoor construction applications
The Sika® Boom-140 delivers fast, reliable, and long-lasting performance for sealing, insulating, and filling construction gaps. Its excellent adhesion, high expansion, and superior thermal and acoustic insulation make it an ideal solution for window and door installation, pipe sealing, and general building applications.
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