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Alternatives To Rockwool Insulation: What Are My Options?By admin
Tuesday, 3 September 2019
Home insulation is one of the best ways to achieve a warmer, cosier, and more comfortable home. But which type of insulation is best?
Rockwool insulation has been used in UK homes for many years. It’s one of the most traditional types of insulation used before World War II.
If it’s been many years since you’ve updated your insulation, then there is a chance that the existing insulation in your home is rockwool. Made from mineral wool, rockwool insulation comes in batt and blanket form, and normally has an R-value of around 15 when the required thickness is achieved.
However, the insulation is susceptible to moisture retention and mould growth, which makes it a risky choice for some homeowners.
So, what are the main alternatives to rockwool insulation?
Here are four of the top alternatives, that you may not have considered:
Throughout the UK, fibreglass batt insulation is very widely available. The insulation is commonly used to fill walls and can fit between rafters and joists with relative ease
Alternatives to Rockwool Insulation No.1: Fibreglass Batt Insulation
Fibreglass batt insulation has an R-value of around 14, when it’s installed to at least a thickness of 3 inches. The material can often be easily identified by its bright pink appearance, although it’s available is subtler shades, like yellow and cream.
Throughout the UK, fibreglass batt insulation is very widely available. The insulation is commonly used to fill walls and can fit between rafters and joists with relative ease.
Normally made partially from recycled material.
Comes readily available in a size that can fit most wall spaces.
Can easily be compressed and damaged, reducing the quality of insulation.
Can be very dangerous to inhale.
Requires protective clothing to install.
Although a highly versatile option, cellulose insulation offers lower levels of thermal resistance, with additional materials needed to improve it
The R-value of cellulose loose-fill insulation can vary, with an average of around 2.5 per inch of insulation installed. The lighter weight of the material makes it a very versatile choice, and like any insulation material, can help you to save money on your energy bills
Alternatives to Rockwool Insulation No.2: Cellulose Loose-Fill Insulation
Unlike fibreglass batts, cellulose loose-fill insulation is designed to be blown and compacted into enclosed spaces. This makes it a common choice for walls and floors, where the insulation will be easily covered.
The R-value of cellulose loose-fill insulation can vary, with an average of around 2.5 per inch of insulation installed. The lighter weight of the material makes it a very versatile choice, and like any insulation material, can help you to save money on your energy bills.
Normally a high percentage of recycled materials used.
Doesn’t perform very well in colder temperatures
Often needs an additional insulation topper, such as blanket insulation, to be very effective.
Alternatives to Rockwool Insulation No.3: Polystyrene Insulation
Polystyrene insulation can be one of the most affordable options, with expanded polystyrene insulation being particularly inexpensive. The second type of polystyrene insulation, extruded, is a little more expensive and normally comes in a bright pink or blue shade.
Depending on the type of polystyrene insulation that you choose, the R-value will vary, between about 3.8 for expanded and 5 for extruded. The insulation material can be used to fill walls, floors, and ceiling spaces.
Very lightweight insulation.
Quick installation process and relatively affordable.
Potential of toxic smoke being released when exposed to fire.
Not structurally effective and very prone to damage.
Often needs additional ventilation adding.
Still confused about the insulation options on offer? Give us a call on 0800 1700 636, and let our professional installers point you in the right direction!
As a rockwool insulation alternative, open-cell spray foam couldn’t be more different. Open-cell spray foam is incredibly effective at keeping heat in and cold out, with an avergae R-value of about 3.5 per inch of spray foam
Alternatives to Rockwool Insulation No.4: Spray Foam Insulation
Spray foam insulation is one of the most modern types of insulation on the market. Used to fill any space, both enclosed and open, the insulation material is amongst the most versatile insulation materials around.
The insulation can be used in residential and commercial buildings and is sprayed directly onto a surface, where it’s capable of expanding significantly to fill the area.
There are two main types of spray foam insulation: closed-cell foam and open-cell foam, both of which are very popular with UK homeowners. Let’s explore each type in a little more detail…
Open-Cell Spray Foam
As a rockwool insulation alternative, open-cell spray foam couldn’t be more different. Open-cell spray foam is incredibly effective at keeping heat in and cold out, with an avergae R-value of about 3.5 per inch of spray foam.
Closed-Cell Spray Foam
Closed-cell spray foam has a lot higher R-value than open-cell spray foam, averaging about 6 to 6.5 for each inch of spray foam applied. Despite being very similar, closed-cell spray foam is a lot more dense and solid than open-cell, which is fairly soft.
Transform Your Living Environment For The Long-Term
While it can be a little difficult navigating the insulation market and finding the right insulation for your home – the benefits are truly worth it.
An insulated home stays warmer in the Winter, and cooler in the Summer, giving you the freedom to enjoy a regulated temperature all year round.
If you need help with insulating your home, our team at Home Logic are always on hand to help. Get started today with your free site survey by calling 0800 1700 636, or by simply clicking the button below!
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