What is Spray Foam Insulation?

Foam spray is a construction method of polyurethane foam. It mixes the materials that can react with each other in the spray gun immediately after spraying to the surface of the work piece, and foams on the surface in situ to obtain foam products. Foam spraying does not require a mold and can be applied to any shape of the surface.

Foam spray is a construction method of polyurethane foam. It sprays the materials that can react with each other to the surface of the work piece immediately after being fully mixed in the spray gun, and foams in place on this surface to obtain

Air spraying (also known as low-pressure spraying) is to pump the two components that can react with each other to the spray gun according to the mixing ratio, mix and react in the gun, and then spray the reaction solution to the working surface with compressed air with low pressure. , Then foamed ^[2]

Airless spraying (also known as high-pressure spraying). At a pressure of 3-4 MPa, the raw materials are sent to the mixing chamber in the spray gun. After mixing, the pressure suddenly drops when leaving the spray gun, and the material is sprayed and dispersed.

Foam spraying is mostly used to make rigid foam, such as building roofs, large material silos, and thermal insulation pipelines, etc. ^[3]