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Exterior wall cavities offer a unique space to add quality insulation to increase the efficiency of your home and reduce your monthly heating and air conditioning bills. The pros and cons of insulating a cavity wall are numerous.
Cavity wall insulation can prevent heat loss, reduce energy use and cut heating costs. Discover the benefits of ROCKWOOL cavity insulation today.
Insulating a wall, including external and internal walls, can help ensure your home is energy efficient. Choose the best method for solid or cavity walls.
If your home was built after the 1920s, chances are it’s got cavity walls. And unless it was built within the last 20 years, those cavities are probably empty. If so, filling them with wall insulation could be a very cost-effective way to retain heat in your home and save on your energy bills.
Injection foam is a spray form of insulation used to fill the cavities of a home. Foam injection insulation is similar to those individual cans of foam insulation found in home centers but on a much larger and far more efficient scale. Professional injection foam installation is best.
Tuck the insulation into the cavity, ensuring it’s snug against the top of the stud bay with edges flush against the studs. Allow the insulation to run long at the bottom, then use your utility knife to cut it against the bottom plate of the wall framing for an accurate fit.
Cavity wall insulation reduces your energy use by maintaining a constant temperature in your home. Learn more about installation and savings.
Cavity wall insulation works by storing heat within the inner walls before bouncing it back into the room and retaining it for longer. The result? A warmer home with less wasted energy! Because heat does not travel through the air very easily, it’s a natural insulator.
Bonded bead cavity wall insulation involves filling the gaps in cavity walls with specialised beads, typically of expanded polystyrene, adhered using a bonding agent. This type of insulation enhances energy efficiency and comfort in homes.
Cavity wall insulation is available in primarily three materials: mineral wool, urea formaldehyde foam, and expanded polystyrene beads. Each has its own slight variations and relative pros and cons that should be evaluated on a case-by-case basis.