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Floor Insulation

Explore our range of Floor Insulation from brands including Celotex, Knauf and Rockwool

Building Supplies Online offer the very best selection from UK leading Floor Insulation manufacturers such as Kingspan, Celotex, Recticel and Ecotherm.

What is Floor Insulation?

Floor Insulation sits directly under or on top of your floorboards on the ground level of your home. Floor insulation can also be used to seal any draught gaps which may be between skirting boards and your floors. In turn, this will save you a considerable amount of money by reducing your heating bills each Winter.

By installing floor insulation, you will stop heat escaping through the floor and draughts coming through the floorboards. Usually floor insulation is installed when putting a new floor in place. Most floors can easily be re-fitted with floor insulation materials, so it's never too late to add floor insulation. Our vast collection of floor insulation is available in a range of thicknesses, widths, lengths and density. This helps you to choose the right product for your project.

The type of floor insulation you will need will be dependent on the type of floor you have currently. There are two types of floor;

  • A Suspended Floor (wooden floor)
  • Solid Floor (concrete)

To meet the needs of both types of floor there are two types of floor insulation. A 'Solid floor insulation' which is laid on top of your existing floor and then finished off by your chosen option such as carpet or floor board. Or you can choose if your existing floor allows you to a 'Suspended Floor Insulation'.

If you don't have a cellar or a basement then you can lift the floorboards and place one of our many specialist products underneath. If you do have a cellar or basement then you can still complete this option. You will need to hold the suspended floor insulation in place with netting. Cover any pre-existing holes in your floor perhaps created by cables or old pipes to ensure heat is not lost here.

If using floor insulation to lay simply on top of your floor it may be essential to adjust the bottom of your door. This is because your flooring will now be slightly higher. You can complete this by taking off your door and shaving the measurement off of which you require.

Foam board floor insulation is a great method for laying over a floor. They are easy to handle and you won't need a very thick foam board to create the floor insulation you require. Prior placing your foam boards lay a damp proof membrane to protect your floor from moisture penetration.

If you are using an underfloor insulation option, then lay a sand insulation product first followed by a damp proof membrane on the top. Then the floor insulation can be laid and the new concrete poured on top finished off by your chosen or existing layer of carpet.

How Do I tell Which Type Of Flooring I Have To Choose The Right Floor Insulation?

Most houses in the UK built before 1930 have suspended timber flooring and floorboards. If you have air bricks outside your property, then this is a good indication. Otherwise you can also just lift your carpet to identify if your flooring underneath is floorboards.

If you are not able to follow this method to identify your under flooring then if you have a basement you can look up to see if you have wooden joists and floorboards. If your house was built after 1930 then the likelihood is, you will have solid floor. If you have carpet you can double check this by lifting up a corner of your carpet.

You will find that suspended wooden flooring loses more heat than a solid floor, but both will lose a certain percentage of heat and therefore using floor insulation on both types of floor will have significant advantages.

All of our floor insulation manufacturers provide high-performance. They are durable and the highest quality of products, so you can be sure you are ordering the best when you order from Building Supplies Online. All our floor insulation products are available at competitive prices and with UK nationwide delivery. Most of our floor insulation is multipurpose meaning they can be used for walls and roofs too. This increases either the thermal or moisture resistance.

We even have an array of floor insulation which have noise reduction elements if this is what you are looking to achieve. These unique floor insulation products are popular for use in apartments and flats. This is to help eliminate noise. This acoustic floor insulation is easy to handle, minimises thermal bridging too and sold in a variety of thicknesses. Matching your requirements will be simple.

Floor insulation ensures optimum system efficiency when combined with one of our Underfloor Heating Systems allowing you to obtain maximum efficiency from your combined products.

How Important is Floor Insulation?

Energy efficient homes are starting to become the norm for both new builds and older properties. Homes lose more energy through the floor and ceilings than through external walls so it's clear to see why floor insulation is so important.

The level of heat loss through the floor can vary of course in each home. This depends on the floor structure and how many floors you have in your home. Nevertheless most home owners will appreciate a home that doesn't cost a lot to run. By adding floor insulation you can reduce your energy bills by up to 20%.

Floor insulation is a great way of controlling interior temperatures both in cold and warm months. In colder months floor insulation can also prevent water pipes from freezing and bursting. It will eliminate any draughts that escape through gaps in floorboards.

Choosing your Floor Insulation

There are mainly four types of floor insulation materials:

  • Blanket
  • Rock Mineral Wool
  • Foam Board
  • Rigid Board

Floor insulation not only regulates the quantity of heat circulating in the home, it controls heat loss moisture issues. Some of our floor insulation products have a combination of elements. They target a combination of your concerns in one floor insulation product.

Some of our floor insulation boards are 'foil faced' on both sides of the floor insulation known as a PIR board. The foil provides thermal resistance to any floor that does not have any ventilation.

So, the choice of one-sided foil or double-sided foil floor insulation boards will determine the level of warmth you would like.

If you are looking for a simple and cost-effective floor insulation product our Polystyrene Floor Insulation Sheets are great. This option of floor insulation will help to separate floor noise as well as minimise heat loss.

If you require any advice or have any questions regarding our floor insulation products feel free to either give us a call, send us an e-mail or join us on live chat where we will of course be happy to help.

Once you have chosen from our range of floor insulation products why not browse our Floor Insulation Accessories . These include

  • Insulation Saws
  • Foil Tape
  • Insulation clips

How to Lay Floor Insulation?

Laying Floor Insulation depends if solid floor, lay damp proof membrane first. Lay insulating boards and join using insulating tape. Lay chipboard, glue down followed by carpet.

If suspended floor, insert insulating boards between joists underneath floorboards. If no access to under floor boards use wool floor insulation instead, lift floorboards up, inserting supporting net for wool to sit on.

How Does Floor Insulation Work?

Floor insulation stops heat from escaping through floorboards of a house. It is estimated that at least 15% of heat lost from a household is lot via the floor. This is why Floor Insulation is important. As well as preventing heat from escaping through the floor, floor insulation can also prevent a draught through the floor.

Floor Insulation slows the movement of heat through the floor. This means with Floor Insulation installed, your home will feel warmer and more comfortable for longer periods of time. Floor Insulation is ideal for winter.

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