How Does Roof And Loft Insulation Work

The layer of insulation traps heat inside the rooms below the loft so the air within your property stays warmer for longer.

How does roof and loft insulation work.

This technique insulates over and between those wooden joists that can be found right above your ceiling in the top floor. Heat insulation in buildings. This thick material captures heat normally lost through the roof and stops draughts getting in. The materials used to insulate under the roof include batts of mineral or glass wool insulation held in place by battens of wood attached to and across the rafters alternatively polystyrene.

How does loft insulation work. Installing loft insulation is as simple as unrolling a rug. This should take just a few hours depending on the size of your loft. How does room in roof insulation work.

Loft insulation works by creating a barrier to the hot air which is rising from the lower levels of your house towards the roof. We all know that hot air rises and it will easily escape through your roof unless you place something in its way. The rigid insulation structure provides a complete waterproof barrier and means that the rising warm air can t escape. Roof and loft insulation can save you money keep your house warm and help the environment however it can also seem like a very complex subject which many different types of insulation available.

If you already have loft insulation you could still benefit from a top up. Put simply loft insulation works by trapping the warm air inside your home and stopping it from rising through the roof. The space between the roof and the ceiling is called the loft. A mineral fibre material is laid between the joists and then over the joists in your loft or roof.

If it s installed in the right way it will still allow moisture to pass through it and therefore prevent condensation. The roof insulation material will be cellulose fibre or mineral wool treated to make sure it s fire retardant. How does loft insulation work if you ve got a flat roof. To help you learn about the types of insulation which will be best for your home we have compiled this guide to roof and loft insulation which are a great place to start when insulating your home.

The air pockets in insulation trap that hot air and prevent. How does loft insulation work. So how does loft insulation actually work. Glass fibre or other loft insulation materials are laid across the loft to reduce the rate of heat transfer out of the roof see the picture below.

Glass fibre works as an insulator by traping air. Laying loft insulation in the way of this will significantly reduce the amount of heat that passes through your ceiling into the loft space and out into the open air outside.