Cavity Wall Insulation Beads Or Foam

We are all familiar with glass wool in the shape of insulation rolls.

Cavity wall insulation beads or foam.

There is also a 25 year insurance backed guarantee available for pu foam. Special 16 width makes it easy to fit between brick ties in cavity wall applications. Independent research has confirmed that cavity wall insulation is a very reliable process. Another application in construction for polystyrene beads is retrofit insulation of un insulated exterior walls.

Ciga cavity insulation guarantee agency issue an independent 25 year guarantee covering defects in materials and workmanship. To fill a cavity wall one uses 4 types of insulation. Many people are now opting for pumping the cavity walls with bonded eps beads after the wall is built rather than relying on the block layer to put the insulation in as he goes. Glass wool rock wool eps beads and foam.

As for cavity insulation glass wool is used in the shape of flakes. Pur cavity wall insulation. Foam insulation is probably the best retrofit choice in terms of avoiding wall damage. Cavity wall insulation can be mineral fibre wool polystyrene granules also known as beads or polyurethane foam.

This process creates holes in your walls that need to be filled patched and painted. Cavity wall insulation beads will not allow dampness or moisture to penetrate the cavity in a properly constructed wall. If you re installing cavity wall insulation it s worth opting for a modern insulating material with proven performance. Injection foam expands to work into difficult areas that blown in insulation may ignore.

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. If the puffed beads fill the cavity the space can obtain r values close to that of fiberglass insulation. 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. Each material has its own price and specific properties.

They should all be manufactured to british standards. Problems are therefore extremely rare but if they do occur ciga has the expertise to ensure that they are swiftly rectified. Eps expanded polystyrene beads and polyurethane foam are the most commonly used these days and with good reason. The polystyrene used for cwi is in the form of virgin pre formed bead which is usually combined with a.

An extruded polystyrene foam insulation board with square edges on all four sides. The recommended cavity width is 50mm.