An ultimate guide to choosing the best loft insulation

When it comes to making your home energy-efficient, choosing the right loft insulation plays a critical role. Did you know that up to 25% of heat in poorly insulated homes is lost through the roof? This means higher energy bills and money down the drain! Whether you’re trying to keep your house cool in the summer or warm in the winter, the right insulation can make a huge difference.

In this guide, we’ll explore the various types of loft insulation and their uses, helping you find the best loft insulation for your home.

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Why Is loft insulation Important?

Investing in loft insulation is a smart, long-term solution that:

• Reduces energy bills by minimizing heat loss.
• Improves comfort by maintaining a consistent indoor temperature.
• Lowers your carbon footprint.

And with options like 200mm loft insulation rolls or rigid insulation boards, there’s a solution for every loft type and budget.

Types of loft Insulation

1. Blanket Insulation

Often referred to as loft insulation rolls, this is one of the most popular insulation types. It’s available in a variety of materials, including:

• Fiberglass or glass wool.
• Mineral wool.
• Natural fibres such as sheep’s wool.

Best for:

• Large loft areas.
• Quick DIY installation.

You can easily unroll the blanket across joists, and with options like 200mm loft insulation , it’s an efficient way to cover a lot of space in no time.

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2. Insulation boards

Rigid insulation boards are dense, sheet-like panels made from synthetic or natural materials. They’re easy to cut and fit into tight spaces, making them a great option for warm lofts or loft conversions.

While insulation boards may cost more than rolls, their superior insulating properties at half the thickness make them ideal for tight or multi-purpose spaces.

Best for:

• Loft conversions.
• Creating storage-friendly lofts.
• Insulating beneath an insulated loft hatch.

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3. Multi-foil insulation

Multi-foil insulation is thin and lightweight, made from layers of reflective materials like aluminium and foam. It works by reflecting heat back into your home.

Pros:

• Space-efficient.
• Easy to install—just staple it to rafters.
• Airtight and resistant to moisture.

Best for:

• Lofts with minimal space.
• Managing condensation and damp.

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4. Insulation slabs

Insulation slabs are thick panels often made of mineral wool or glass wool. They’re durable, water-resistant, and easy to fit between joists or rafters.

Best for:

• Damp lofts.
• Loft areas prone to mould or condensation.
• Noise insulation due to their acoustic properties.

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5. Spray foam or loose-fill Insulation

If your loft has limited access or uneven spaces, spray foam or loose-fill insulation is your best bet. Spray foam expands to fit all nooks and crannies, while loose-fill materials like cellulose can be poured into hard-to-reach areas.

Best for:

• Inaccessible loft spaces.
• Irregularly shaped lofts.

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Choosing the right Insulation for your loft

• Cold loft: Use loft insulation rolls laid between the joists to prevent heat from escaping into the loft space.
• Warm loft: Opt for insulation boards under the rafters to create a warm and usable loft space.
• Storage loft: Choose rigid boards that can support weight, allowing you to use the area for storage.
• Large lofts: Rolls are the most cost-effective and efficient option for big spaces.
• Damp lofts: Use insulation slabs that are water-resistant and ventilated to prevent mould.

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Factors to consider

1. Loft insulation cost: Insulation rolls and slabs are generally more budget-friendly, while spray foam and insulation boards are pricier but offer higher thermal performance.
2. Space efficiency: If space is tight, multi-foil or rigid boards are ideal.
3. Ease of installation: Rolls and slabs are perfect for DIY projects, while spray foam may require professional application.

FAQs

1. What is the best loft insulation for my home?
The best option depends on your needs. For cost-effective DIY projects, go with loft insulation rolls. If you need to tackle damp, insulation slabs are ideal. For warm lofts, choose insulation boards or multi-foil insulation.

2. How much does loft insulation cost?
The cost varies depending on the type of insulation and your loft’s size. Rolls are the most affordable, while spray foam and multi-foil tend to be more expensive.

3. Can I insulate an insulated loft hatch?
Yes! Adding insulation around the loft hatch, such as rigid boards, ensures no heat escapes from this common weak point.

Whether you need help finding the perfect loft insulation roll, tackling condensation in your loft, or creating a storage-friendly space, we’re here to help. Visit your local Howarth Timber branch or contact our customer service team at 01472 907051 for expert advice.

Invest in the right insulation today and enjoy a warmer, more energy-efficient home all year round!