Cavity Wall Insulation Beads Or Foam

They should all be manufactured to british standards.

Cavity wall insulation beads or foam. Cavity wall insulation can be mineral fibre wool polystyrene granules also known as beads or polyurethane foam. 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. Glass wool rock wool eps beads and foam. 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.

Foam insulation is probably the best retrofit choice in terms of avoiding wall damage. Each material has its own price and specific properties. Another application in construction for polystyrene beads is retrofit insulation of un insulated exterior walls. Independent research has confirmed that cavity wall insulation is a very reliable process.

An extruded polystyrene foam insulation board with square edges on all four sides. To fill a cavity wall one uses 4 types of insulation. Cavity wall insulation beads will not allow dampness or moisture to penetrate the cavity in a properly constructed wall. We are all familiar with glass wool in the shape of insulation rolls.

There is also a 25 year insurance backed guarantee available for pu foam. Ciga cavity insulation guarantee agency issue an independent 25 year guarantee covering defects in materials and workmanship. Cavity wall insulation can give you an annual saving of up to 275. Special 16 width makes it easy to fit between brick ties in cavity wall applications.

The polystyrene used for cwi is in the form of virgin pre formed bead which is usually combined with a. Injection foam expands to work into difficult areas that blown in insulation may ignore. This process creates holes in your walls that need to be filled patched and painted. If the puffed beads fill the cavity the space can obtain r values close to that of fiberglass insulation.

The recommended cavity width is 50mm. Pur cavity wall insulation. If you re installing cavity wall insulation it s worth opting for a modern insulating material with proven performance. 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. Problems are therefore extremely rare but if they do occur ciga has the expertise to ensure that they are swiftly rectified.