Loft Insulation For Attic Bedrooms

If the loft is not airtight moisture can also get into the roof structure and cause damage to the structural components.

Loft insulation for attic bedrooms.

Insulating a finished attic there are two basic ways to insulate a finished attic. Insulated plasterboard is useful for this purpose. That becomes the thermal barrier. Is great stuff an option or is there a better way to prevent air from leaking out into the attic.

When refurbishing an attic or loft space there is a requirement to comply with the appropriate building regulations standards for the location of the building. It can either be laid between the joists the horizontal beams along the floor of your attic or the rafters the angled beams that support the roof. In this case the area behind the knee wall will be uncomfortably hot or cold. In england the required minimum u value for pitched roofs insulated at rafter level is 0 18 w m k whilst for flat ceilings the minimum is 0 16 w m k.

And the answer to that is if that attic is going to be a heated finished space then the insulation moves from the ceiling of the second floor up to the underside of the roof rafters. When insulating a loft the most practical solution is to place most of the insulation between the rafters with a smaller additional layer fixed to the underside of the rafters. Loft insulation is a barrier of material within your roof space. You can t just insulate.

Now to do that you have to be very careful to make sure you maintain some ventilation space. If only the living space will be insulated wrap the insulation around the room s walls and ceiling and then continue along the floor of the non living space. While the loft insulation will stop heat escaping from the loft warm moist air from human activity such as cooking and showers can condense on cold surfaces and cause unhealthy mould. A minimum r value of 6 1 is recommended for loft floor insulation but ideally it would be up to 7 0.

This is just for glass mineral wool insulation the most common and popular material. Plasterboard is available with a wide variety of rigid insulation products bonded to it. Use the table below to work out how the depth of your existing loft insulation translates into an r value.