Category Archives: Insulation

Plumbing Insulation Methods To Stop Burst Pipes

When a loft is insulated it becomes vital properly to insulate exposed water pipes and storage cisterns, as these will be more liable to freezing. At the same time it is wise to check the thickness of insulation around the hot water cylinder where a lot of heat can be wasted. A new jacket can pay for itself in a matter of weeks.

Hot water cylinder

Pre-lagged hot water cylinders offer a substantial fuel saving over the conventionally lagged type, so if you are fitting a new or replacement cylinder, buy the former. To lag a conventional cylinder, the jacket should be at least 80mm thick to conform with British Standard 5615:1978. Measure the height and diameter of the cylinder to make sure the correct size jacket is bought. Simply clip the jacket around the draw-off pipe at the top of the cylinder letting the segments drape around the sides. Lightly hold the jacket in place by fastening two tapes around the cylinder.

Pipe insulation

All exposed water pipes in a loft should be insulated, including overflow pipes and the expansion pipes of heating systems.

Pipes close to the loft floor should be covered by the loft insulation. Other pipes should be individually lagged, particularly bends where freezing often occurs first.

The best material is moulded foam pipe insulation. This is split down one side so it can be slipped over the pipe and secured with adhesive tape or string.

The older type paper-backed insulating pipe wrap is wound around the pipe spirally like a bandage and held in place with string.

Keep draughts out of overflow pipes by taping a flap of polythene tubing over the end of the pipe.

Cold water storage cistern insulation

Make sure that loft insulation is not taken under the cistern so that a little warmed air can rise from below.

The cistern must be fitted with a lid to support the insulation and to keep out dirt. The lid will be subject to a lot of condensation, so use an impervious material, such as a slab of expanded polystyrene or plastic tray if a purpose-made lid is not available. Wood is not usually suitable unless it is wrapped in a double thickness of heavy gauge polythene held in place with adhesive tape.

The simplest form of cistern insulation is insulating matting, draped over the cistern and held in place with loops of string around the sides.

Another method is to use slabs of expanded polystyrene at least 25mm thick, cut to fit around the sides and top of the cistern and held in place with meat skewers or cocktail sticks.

Loose fill insulation can be used for cistern insulation by making a simple box around the cistern, and a little larger than it. The loose fill can then be tipped into the cavity. The lid can be a slab of expanded polystyrene, or a tray filled with loose fill with a hardboard lid.

Quick Window Insulation Methods

Up to 15% of the heat loss from a house can be through the windows. Double glazing can halve this loss, although the cost can be considerable, especially if you choose commercially installed sealed-unit replacement windows. However, with a low-price DIY system you may be able to get your money back in five to 15Continue Reading

Floor Insulation Methods To Save Money

A lot can be done in the way ot insulation to reduce the amount of heat lost through a floor. A very simple way to insulate all types of floors is to lay aluminium foil or foil-backed building paper under a heavy rubber foam-backed carpet. Solid floors A solid floor that feels cold is quiteContinue Reading

Ceiling And Wall Insulation Methods That Work

In loft rooms, in flats and maisonettes, and in houses with flat roofs, it may not be possible to go into the loft to lay insulation between the ceiling joists. The solution is to fix insulation to the ceiling. The simplest method is to stick expanded polystyrene or insulating board tiles directly to the ceiling.Continue Reading

Best Methods Of Installing Loft Insulation

You can save up to 17 pence in every £1 spent on home heating by having effective insulation in the loft, which means having 100mm thick insulation. Usually the insulation will be placed directly between the joists over the bedroom ceilings. Where the loft space is used, as a workroom or darkroom, say, it willContinue Reading

Draughtproofing Techniques To Reduce Fuel Bills

Ill-fitting doors and windows are the main sources of draughts, but other points of entry are via chimney flues and floors. Warning Beware of total draughtproofing if the room contains a fuel-burning appliance, unless it is a balanced flue type in which case it automatically draws its air from outside. For other appliances, particularly paraffinContinue Reading

Saving Heat In The Home

You wouldn’t deliberately throw money away, so why do it unintentionally? This is just what you could be doing if your home is not properly insulated. In fact, for every E1 you spend on heating, 75 pence could be going straight outside. That is a waste of both money and heat. Of course, many peopleContinue Reading

Draughtproofing Your Home To Save Money

Self-adhesive plastic-backed foam strips can be bought to put around door frames, sealing wide gaps. Peel off the protective strip and press the foam into place. Similar strips can be used in window joints. A more permanent way of achieving the same result is to use metal or plastic hinged strips which have to beContinue Reading

Controlling Humidity And Heat Loss In The Home

After much thought you may have installed the system of central heating ideal for your type of home. All that remains is for you to sit back and enjoy its benefits. But wait! Nothing is perfect in this imperfect world. Do you now suffer from sore throats, headaches or sinus trouble? Is your woodwork warping?Continue Reading

Insulating Ceilings

Ceilings can be insulated (to a degree only) with cork or by applying an anti-condensation paint which not only warms the surface but absorbs what moisture there is — and this absorbed moisture will evaporate when conditions are more favourable. The property of absorption, though supplying an immediate remedy, has the disadvantage that the coatingContinue Reading

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