Polystyrene Bead Cavity Wall Insulation Material

The thermo efficient qualities of custompac polystyrene bead make it a versatile wall cavity insulation material.

Polystyrene bead cavity wall insulation material. If the puffed beads fill the cavity the space can obtain r values close to that of fiberglass insulation. But there are other options. Another application in construction for polystyrene beads is retrofit insulation of un insulated exterior walls. Polystyrene bead is a system of insulating cavity walls with flame retardant adhesive coated polystyrene beads.

Platinum silver bead cavity wall insulation is expanded polystyrene eps injected in bead form into a cavity to form an insulating mass. The polystyrene bead can be injected into spaces other insulation materials might not be suitable for such as. Polystyrene beads are produced to a specified size and density which remains unaltered during the. For the safety of our customers our standard bead polystyrene cavity wall insulation is manufactured with a flame retardant additive and tested to bs 5852.

The bonding agent is used to provide long term stability to the insulant. Independent research has confirmed that cavity wall insulation is a very reliable process. The cavity wall insulation solidifies in the cavity as it is injected along with a special bonding agent adhesive glue. Types of cavity wall insulation the most common type of material used in ireland is a type of polystyrene bead system.

The unique free flowing insulation beads set with point to point adhesion allowing tiny air pockets which allow the cavity to breathe and moisture to drain away. We use graphite 27 plus cavity wall insulation beads which consists of an expanded polystyrene material in bead form which is injected into the wall along with a bonding agent. Polypearl is injected as individual eps insulation beads which then form a consistent matrix inside the cavity using an adhesive to hold them in place. In this application the puffed beads are poured into the wall cavity between the studs by drilling a hole in the top of the wall.

The polystyrene used for cwi is in the form of virgin pre formed bead which is usually combined with a binding agent or adhesive at the time of injection.