Cavity Wall Insulation Beads Or Foam

Cavity wall insulation beads will not allow dampness or moisture to penetrate the cavity in a properly constructed wall.

Cavity wall insulation beads or foam.

Glass wool rock wool eps beads and foam. If you re installing cavity wall insulation it s worth opting for a modern insulating material with proven performance. We are all familiar with glass wool in the shape of insulation rolls. To fill a cavity wall one uses 4 types of insulation.

The recommended cavity width is 50mm. Ciga cavity insulation guarantee agency issue an independent 25 year guarantee covering defects in materials and workmanship. Foam insulation is probably the best retrofit choice in terms of avoiding wall damage. Problems are therefore extremely rare but if they do occur ciga has the expertise to ensure that they are swiftly rectified.

Each material has its own price and specific properties. Eps expanded polystyrene beads and polyurethane foam are the most commonly used these days and with good reason. Injection foam expands to work into difficult areas that blown in insulation may ignore. This also requires that cavities are kept clean but with a 150mm wide clear cavity there is much more space to maintain a clean cavity.

Cavity wall insulation can be mineral fibre wool polystyrene granules also known as beads or polyurethane foam. An extruded polystyrene foam insulation board with square edges on all four sides. As for cavity insulation glass wool is used in the shape of flakes. New cavity wall insulation polystyrene beads.

They should all be manufactured to british standards. This process creates holes in your walls that need to be filled patched and painted. The polystyrene used for cwi is in the form of virgin pre formed bead which is usually combined with a. Independent research has confirmed that cavity wall insulation is a very reliable process.

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. Another application in construction for polystyrene beads is retrofit insulation of un insulated exterior walls. Pur cavity wall insulation. Special 16 width makes it easy to fit between brick ties in cavity wall applications.

This is due to the capillary action of the bead allowing gravity to draw any moisture present down the inner surface of the outer leaf to drain away at foundation level. Cavity wall insulation can give you an annual saving of up to 275.