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sound and heat insulation

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by

haydy ahmed

on 30 January 2013

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Transcript of sound and heat insulation

How sound is transmitted Thermal Insulation Building and Construction I
Acoustical and Thermal Insulation Acoustical insulation Sound travels easily through the air. When sound waves reach a solid surface they are partially absorbed, but they also cause vibrations that can transmit sound to the other side.In this way, external noise is easily transmitted through walls and ceilings to the inside of your home. Additionally, noise generated from within your home can be transmitted through internal walls, and even floors, to adjacent rooms The insulators are made up of very thin glass fibres that are matted together to form millions or air pockets. These air pockets are very poor conductors of heat and resist the flow of air or radiation through the insulation. How insulation stops heat transfer Examples of acoustical insulation 1- Gold™ Ceiling Batts
2- Optimo™ Underfloor Insulation
3-Glasswool Partition Batts
4-Acousticon
5-Pipe Lagging
6-Gold™ Wall Batts 2- Optimo™ Underfloor Insulation 3-Glasswool Partition Batts 6-Gold™ Wall Batts 1- Gold™ Ceiling Batts 4-Acousticon Bradford Gold ceiling insulation is designed to reduce heat transfer through the roof of your home, improving your home’s comfort and energy efficiency. Gold batts are available in R-Values from R2.5 to R4.1. Partition Batts are a lightweight insulation product designed for the acoustic insulation of separating walls in buildings. Designed for metal roofs, Acousticon dampens airborne aircraft noise and the sound of rain on your roof. Made from a specially developed foil faced glasswool blanket, Acousticon provides optimal acoustic performance, and excellent thermal and condensation control. Piping, particularly waste pipes, can contribute to noise in a home. there are some solutions to reduce this disturbance. 5-Pipe Lagging Gold insulation for walls and floors is specifically designed to deliver optimum performance in exterior cavity walls and suspended floors. Bradford Gold wall batts are available in R-Values from R1.5 – R2.0 Example of Thermal insulators If you have an older home, installing ceiling insulation is a great way to improve your comfort and energy efficiency, but if your home has been built suspended off the ground, your floor could be letting you down and as electricity costs will be expensive 1-Fibreglass
2-Mineral wool
3-Cotton
4-Mineral fibre
5-Cellulose fibre
6-polystyrene or EPS 7-Rigid fibreglass
8-Rigid mineral fibre
9-Polyisocyanurate
10-Wet-spray cellulose
11-Open-cell light density polyurethane
12-Closed cell medium density polyurethane 1-Fibreglass 2-Mineral wool 3-Cotton 4-Mineral fibre 5-Cellulose fibre 6-polystyrene or EPS 7-Rigid fibreglass 8-Rigid mineral fibre 9-Polyisocyanurate 10-Wet-spray cellulose 11-Open-cell light density polyurethan Closed cell medium density polyurethane 12- A rigid spray foam that expands into the cavity and sets up fairly rigid.

Can act as the air barrier and vapour retarder. HFC used in production. Must be covered. A soft, compressible spray foam that expands into the cavity.

Can act as the air barrier if combined with another material. Must be covered with a vapour barrier. Fine particles held in place by a binder. Foil-faced rigid foam. HFC usually used in
production. A dense mat of fibres, typically less rigid than polystyrene. Drains water away. Sometimes hard to find. A dense mat of fibres, typically
less rigid than polystyrene. Drains water away.
Sometimes hard to find. Commonly blue or pink foam board.
Works well in wet conditions, can act as a vapour retarder. HFC usually used in production. Must be covered.White board of small — about 8 mm (0.3 in.) in diameter — foam beads pressed together.Typically HCs used in production. Must be covered. Fine particles usually grey in colour, denser than glass or mineral fibre. Provides more resistance to air movement than other loose fill insulations. Can have settlement problems if not installed properly. All batts come in plastic-wrapped bales. The products are like fibrous blankets, about 1.2 m (48 in.) long and wide enough to fit snugly between wall studs.
A very light fibrous fill, usually pink or yellow. Readily available
Can be affected by air movement
in attics.
. All batts come in plastic-wrapped bales. The products are like fibrous blankets, about 1.2 m (48 in.) long and wide enough to fit snugly between wall studs. Somewhat better fire resistance and soundproofing qualities than fibreglass. Not readily available. A very light fibrous fill, usually brown. Presented By:
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