Cavity Wall Insulation Beads Or Foam

If you re installing cavity wall insulation it s worth opting for a modern insulating material with proven performance.

Cavity wall insulation beads or foam.

New cavity wall insulation polystyrene beads. 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. They should all be manufactured to british standards. The polystyrene used for cwi is in the form of virgin pre formed bead which is usually combined with a.

Special 16 width makes it easy to fit between brick ties in cavity wall applications. An extruded polystyrene foam insulation board with square edges on all four sides. Each material has its own price and specific properties. As for cavity insulation glass wool is used in the shape of flakes.

There is also a 25 year insurance backed guarantee available for pu foam. Cavity wall insulation can be mineral fibre wool polystyrene granules also known as beads or polyurethane foam. Cavity wall insulation beads will not allow dampness or moisture to penetrate the cavity in a properly constructed wall. Foam insulation is probably the best retrofit choice in terms of avoiding wall damage.

Cavity wall insulation can give you an annual saving of up to 275. 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. Ciga cavity insulation guarantee agency issue an independent 25 year guarantee covering defects in materials and workmanship. This process creates holes in your walls that need to be filled patched and painted.

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. 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. Problems are therefore extremely rare but if they do occur ciga has the expertise to ensure that they are swiftly rectified. Injection foam expands to work into difficult areas that blown in insulation may ignore.

To fill a cavity wall one uses 4 types of insulation. Pur cavity wall insulation. Glass wool rock wool eps beads and foam. Independent research has confirmed that cavity wall insulation is a very reliable process.

We are all familiar with glass wool in the shape of insulation rolls. If the puffed beads fill the cavity the space can obtain r values close to that of fiberglass insulation.