Insulation - Insulation - Loft

Insulation > Thursday, May-10-2007

Insulation - Loft

Loft insulation can help you save money due to heat rising it can be very effective and save up to 20% of energy bills.

insulaton loft cavity

When insulating a loft, a depth of at least 150mm (6inches) is recommended. In many older properties, shallow joists in lofts restrict depth for loose-fill insulation. The most common type of insulation is blanket insulation this is using glass fibre, mineral fibre blanket, foil-backed felt and rock fibre. Another type is granular and loose fill fibre these are best not used in a draughty loft because the fibres may blow about in high winds. these are some forms of loose fill fibres; Cork granules, exfoliated vermiculite, mineral wool or cellulose fibre. Sheets of loft insulation are a good option if you intend to use the attic area, Only thin sheets are required especially if the finish is covered with plasterboard.

Insulation on Wikipedia

Open Question: Under floor heating for under wood or laminate or wood?

Hi I am thinking of laying electric under floor heating. The house is 40 years old, it has concrete floors covered in ash-felt or bitumen( its black tar stuff anyway). So I don't think there is any insulation underneath. So where do I start what layers do i need to lay and in what order. I will get an electrician to make the electrical connections and tests.

Open Question: Can i use recycled corragated cardboard for ceiling?

I am looking for something temporary to cover the insulation on my ceilings(pitched barn loft)until I can put wood on it would this work.

Resolved Question: If a room at 25C is directly above a room at 15C, will thermal energy 'convect' upwards or 'conduct' downwards?

If both processes occur due to minimal thermal insulation between the rooms, who should win in terms of net energy gain? PS. This question assumes you know the difference between convection and conduction.

Open Question: Which gloves should I buy?

I bought thermal insulation gloves last week to keep my hands warm. Over the past week, it has achieved nothing, my hands were as frozen as if not having gloves on to begin with. So i decided to buy a pair of Nike therma fit gloves instead. Again, no difference. So I decided to wear both pair of gloves together. Guess what? NO DIFFERENCE! Are there proper gloves that can help me out or am I just some cold-blooded mammal?

Open Question: Attic Insulator help?

Where is the cheapest place to buy insulation for attics, 200sm I live in Ireland.

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