Construction foam gun equipped with an ergonomic plastic handle to reduce hand fatigue. Wide Application The foam of the foam gun is suitable for surfaces such as concrete, plaster, masonry, etc. It has strong expansion and strong viscosity Excellent workmanship: the main body of the fountain foam is made of solid metal and the inner parts are high quality and durable, suitable for harsh building environments. Wide application: the foam of the foam gun is suitable for surfaces such as concrete, plaster, masonry, etc. Thanks to the precise control via the rotary knob, foam waste is avoided and you can adjust the spray distance of the PU foam gun according to your needs. No Clog Spray Foam Gun PU Foam Gun - Lytool Requires No Cleaner Dosing Construction Foam Gun No-Clean PTFE Construction Tools Applicator Expanding PU Polyurethane... It has a high expansion and a strong viscosity. Precise spraying: with a construction foam gun, you can spray quickly and precisely. MC-238 PU Foam Insulation & Construction Foam - Sealants & Adhesives Gun foam is particularly suitable for thermal insulation and sealing small spaces such as doors and windows, is water and moisture resistant and prevents the penetration of pests.