Knicker PU Foam 750ml for Sealing & Insulation

• Knicker brand Polyurethane (PU) expanding foam, 750ml aerosol can. • High expansion formula designed for filling, sealing, bonding, and insulating gaps and cavities. • Provides effective thermal and sound insulation, creating a barrier against drafts and noise. • Suitable for application on wood, concrete, masonry, metal, and other common building surfaces. • Ideal for sealing around doors, windows, frames, and other construction joints. • Can be applied using a foam gun or applicator straw, depending on the can type. • Cream/off-white foam color when cured.