Insulation and Ventilation What You Need To Know

Insulation And Ventilation What You Need To Know

Your home’s performance is dependent on the quality of its insulation and ventilation. Huge amounts of energy are lost through poor insulation. This wastes fuel, damages the environment and costs you money. New building regulations require owners to improve insulation, ventilation and soundproofing when carrying out alterations and renovations.

Improving your home’s insulation is one of the best overall investments of time and money you can make. Although the initial financial outlay may be quite high, the long-term savings on heating bills will make it worthwhile. You can insulate most parts of your home against heat loss, and even fairly modest measures can make a considerable difference. However, efficient thermal insulation must always go hand in hand with effective ventilation to prevent the buildup of condensation.

Heat flows from warm areas to cold areas, and moves in any direction. In the home, warm air expands and circulates, escaping through walls, ceilings, roofs, windows, doors, fireplaces and anywhere plumbing, ducting, or electrical wiring penetrates exterior walls. Thermal insulation acts as a barrier, reducing the amount of heat that escapes.

Insulating the walls, attic, floors and windows of your home is the most effective way of reducing overall heat loss.

When choosing insulation, take into account the material’s cost, ease of use, suitability to your needs and thermal properties (U-value).

You must allow for efficient ventilation in a roof space so that moist air is able to escape into the atmosphere. If trapped in the roof space, the moisture will seep into the insulation and damage it, which will reduce its effectiveness. It is possible that trapped moisture will also rot wood or create a mold problem, further damaging the fabric of the house. The type of ventilation required will depend on the type of roof felt used in your roof.

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