Roofing Question

How do you insulate sloping ceilings?

The entire 2nd floor of the house has sloped ceilings with Velux windows in. I have a feeling that behind the boards the insulation is poor as get condensation dripping down during winter.

What do I need to do to renovate it? Step by step guide for novice lady owner :)
What do I need to buy for lovely insulation?

Much appreciated

1 Answer

Best Answer

Is the problem just the condensation or are the rooms uncomfortably cold? If it is only the condensation I think you should initially look at the means of ventilation, especially if there is a bathroom / wet room on the top floor as this could well be the root cause of the problem. If the rooms are cold and you also want to increase the thermal value of the structure the simplest method assuming you don't have any head room restrictions would be to counter batten and fit insulated plasterboard. This does have the downside of reducing the internal room dimensions, alternatively you could remove existing plasterboard and cut / fit Celotex insulation between rafters (assuming they are deep enough) with a further layer to underside of rafters to prevent cold bridging. This in turn would be re-plasterboarded and skimmed.

Answered 8th Oct 2013

Brayfield Construction

Member since 1 Oct 2013

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