DIY How To

Insulating Your Home from the Inside Out

Your home, or any building, can be insulated in many different ways with many different materials. From the roof down to the floor, almost every aspect of your home can be adapted so less heat is lost, saving energy and your money.

Insulation types and applications

Where Can You Insulate?
Cold Roof Insulation- insulating the floor of your loft space is cheaper than insulating the entire roof, but it means that the space above gets colder. High levels of insulation can be achieved this way.

Warm Roof Insulation- this is where the roof itself is insulated so that the roof itself is warm too. It creates space that is warm enough to be used as a living space, adding value to your home.

Internal Wall Insulation- this can significantly improve the temperature retaining qualities of a house.

External Wall Insulation- this is where a treatment is applied to the outside of a wall. It is usually a solid wall as opposed to a cavity wall.

Pipe Insulation- insulating your hot water pipes will reduce the amount of heat that is lost and will keep your water hotter for longer, reducing your energy costs.

Door Insulation- whether you replace your entire door or simply install sophisticated draft excluders, you can minimise the amount of heat lost through the door.

Window Insulation- there are variety of things you can do with a window, replace with a double or triple gazed window, secondary glazing, or simply using heavier curtains. Insulating your windows will not only reduce the heat lost, it will also reduce the amount of noise that escapes.

Types of Insulation
There are four basic types of insulation used for walls. The type that you'll use very much depends on which part of a building you're insulating and how it's constructed.

Loose-fill Insulation-this is where loose fibres or fibre pellets are blown into cavities, usually walls and inaccessible lofts. It fills hard to reach corners well and provides good sound insulation as well as heat. Usually requires a professional to install.

Batt and Blanket Insulation- made from either processed fibreglass or rock wool, it is used to insulate below floors and within walls. Batts usually come in four or eight feet, while blankets come in rolls that you cut to size. This can be done without professional help, but has to be done with extreme care.

Rigid Board Insulation- usually made from fibreglass, polystyrene or polyurethane, it is used on flat roofs and basement walls. This can be installed without a professional.

Spray Foam Insulation- this type of insulation is very effective. It is a two part liquid that contains a polymer and a foaming agent, and should only be applied by a professional. It expands to fill every nook and cranny and is excellent for retrofit insulating as it shapes itself around irregular obstructions.

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