What is Polyurethane Foam and Why is it Used?

Introduction

Polyurethane foam, commonly known as PU Foam, is a widely used material in construction for sealing, filling, and insulating gaps. It provides excellent adhesion and expansion properties, making it ideal for a variety of installation applications.

What is Polyurethane Foam?

Polyurethane foam is a single-component expanding foam that reacts with moisture in the air to expand and harden. Once cured, it forms a rigid and durable foam structure that provides strong sealing and insulation.

See also KWIK KOMBI-FOAM PRO & KWIK KOMBI-FOAM PRO FR

How PU Foam Works

When applied through a foam applicator gun or nozzle, the liquid foam expands significantly and fills gaps or cavities. It then cures to form a firm and durable material.

Advantages of PU Foam

Excellent Insulation

PU foam provides effective thermal and sound insulation.

Gap Filling Capability

It expands to fill gaps and voids completely.

Strong Adhesion

PU foam bonds well to many construction materials including concrete, wood, metal, and plastic.

Moisture Resistance

It helps prevent air and water leakage.

Common Applications

• Door and window frame installation
• Gap filling in construction joints
• Thermal insulation
• Pipe penetration sealing
• Crack filling

See also KWIK KOMBI-FOAM PRO & KWIK KOMBI-FOAM PRO FR