A seal brush is a type of brush used for sealing and protecting various surfaces, including doors, windows, and other openings in buildings and vehicles. It is used for creating a barrier between the inside and outside environments, providing insulation and protecting against air, moisture, and sound infiltration. Seal brushes are typically made from a flexible material, such as polypropylene or rubber, that is mounted on a backing, such as aluminum or steel. The brush material is designed to conform to the shape of the surface, providing an airtight seal. The bristles are arranged in a dense, compact pattern, allowing them to fill gaps and create an effective barrier against air and moisture infiltration. Seal brushes are commonly used in a variety of applications, including: Building Construction: door seal brushes are used in building construction, including sealing doors, windows, and other openings to prevent air, moisture, and sound infiltration. Automotive: Seal brushes are used in automotive applications, including sealing the doors and windows of cars, trucks, and buses, and protecting against dust, wind, and noise. We call it spray suppressant brush HVAC: Seal brushes are used in HVAC systems, including sealing ducts and air conditioning units to prevent air and moisture infiltration. Agricultural Equipment: Seal brushes are used in agricultural equipment, including sealing combine harvesters, tractors, and other machinery to protect against dust, wind, and noise. Seal brushes are designed to be durable and long-lasting, withstanding exposure to the elements and maintaining their flexibility and shape over time. They are also easy to install, providing a simple and effective solution for sealing and protecting surfaces.