There are various types of insulation products, depending on where you want to position them – roof, walls, floor. Most are available as rolls or boards, which are fitted between wall studs and roof joists.
Mineral wool (aka Rockwool)
Available in slabs, stone wool is easy to lay vertically or horizontally. It’s denser than fiberglass, has good thermal and acoustic qualities and is non-combustible. Protective equipment is required when handling. Stone wool boards usually friction fit between studs, making them easy to install. However, you’ll also need breather membranes and vapor control layers to prevent any damp ingress.
PIR (polyisocyanurate) or EPS (Expanded Polystyrene) foam slabs/boards
These lightweight boards are great for heat retention and sound-proofing and are easy to cut and install. They can be used for suspended wooden floors, pitched roofs and internal walls, and secured with adhesive or ‘friction fit’.
Multi-foil is often more cost-effective than foam boards, but it does require air gaps between itself and the wall to be most effective and wouldn’t work so well in a fully-sealed environment.
Thermafleece is made with 75% wool and 25% recycled polyester and can be installed without gloves or protective clothing. It’s breathable, durable and easy to install. Cosywool slabs friction fit and don’t slump.
If you prefer plant fibres, Natrahemp fleece can be handled without gloves, fits securely between studs, joints (or rafters), and provides excellent thermal and acoustic insulation.
This product is made from recycled post-industrial denim and cotton fibers.
Generally used for roof and loft insulation, fiberglass wool is available in rolls, is relatively inexpensive and simple to install. However, it is vital to wear protective goggles, mask and gloves when handling glass wool, as it’s itchy to work with and the tiny fibers can irritate skin, eyes and lungs. It is most suitable rolled out in the loft, as it’s susceptible to ‘slumping’ if installed vertically.
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