Listening room acoustics with soundproofing products

Listening room acoustics

Buying an expensive Audio-Visual system doesn’t necessarily guarantee a great experience. The fact is that, only a few people know that emptying your pocket for a hi-fidelity system is not enough. Even fewer know about room acoustics and the role it plays in delivering good quality sound. People are still hesitant about spending money on room acoustics thinking that it is only a way in which others can try and trick them into wasting their money on them.

Room acoustics is an often misunderstood field and there are several myths associated with it. Let us analyse some of them and learn about the truths behind these common myths.

1. Carpets and curtain for good sound

Though carpets and curtains have absorption properties and can be used for tuning the acoustical properties of the room for your needs, it is not necessarily a complete solution. They only deal with high frequencies and can’t provide a performance on par with lab tested acoustic panels. Chances are, it will not help tackle any critical problem at all.
2. Soundproofing equals good acoustics

Soundproofing doesn’t mean good acoustics. It only blocks sound from entering or leaving a room and doesn’t deal with any possible internal reverberations or reflections. When you soundproof a room it can lead to serious bass problems, as low frequencies will be trapped within the room. Thus it is understood that soundproofing and acoustic treatment are not the same.

3.Boomy bass can be adjusted

Adjusting the bass is not a solution to get rid of the uneven decay time of it. Tweaks alter the balance of mid to high frequencies in relation to the bass. This causes you to hear less bass boom but in actual, the problem persists.

4. Acoustic designing makes your room dull

Careless and excessive use of thin acoustic materials and acoustic panels results in the absorption of high frequencies and the sound in the room might die out. Proper acoustic methods result in balanced absorption and diffusion of sound across the audible spectrum.

5. Acoustic designing makes the room less attractive

There was a time when the acoustic panels came in dull colours but the current acoustic panels come in wide range of colours and designs. Some even have pictures and art on them which will only help enhance the beauty of the room. Professional acoustic designers are no less than interior designers in creating vivid living conditions. It is advised to integrate this when you design and construct listening instead of adding these panels later so that they blend in properly with the rest of the room.

6. It is expensive

Acoustic panels and other acoustic materials are available in a range of prices and you’ll be able to find one that fits your budget. An experienced acoustic engineer can help you find the one fitting your needs in an affordable price.

7. Can find anything on the Internet

Internet does provide you with information but it is mostly information that are applicable in general. The fact is that space, needs and tastes varies from one person to the other and Internet simply can’t address to every unique acoustic needs. Consulting an experienced person in this field is the best way to save your money and time.

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Acousty Sound Soundproofing products and materials in interior designing

Acoustic sound are based on the polymer and they are free from dark bituminous pitch with sand or gravel and a product with high concentration of synthetic sound proofing membrane that gives a good acoustic insulation for the different building elements. They have flexible characteristics which can withstand even in cold temperatures, And extremely more visco-elasticity.
The 3 main properties of this product have made this product unique in acoustical products:
Flexible: the flexible nature of this product that can be bent as per the requirement and easily modified to respond to the altered circumstances and able to change as to adapt to different circumstances.
High elongation capacity: It is the ability of the material to undergo any deformation without any damage however it is limited to certain extent at the point where the material could undergo breakage.
Easy to handle and adaptable to uneven surfaces: These products are very easy to handle without any difficulty and are adaptable even in the unbalanced surfaces.
1. The air transportation of noise insulation in the outer boundary of the air raft or a material with a less surface mass i.e light weighted partitions.
2. The reduction of the noise from the all types of frameworks during the formation of the floating floors.
3. In combination with the other sound absorption material it gives the results of high performance acoustic products.
Thickness: The acousty sound are available in the 3mm and 6mm.
Roll size: The roll sizes are available in 1m X 1.2m.
This acousty sound helps in the reduction of the sound or noise from the external sources and they are commonly used in class rooms , conference rooms , churches, offices, this helps in sound absorption and noise reduction.
The noise pollution can be avoided through the usage of variety of acoustical products .The company called acoustical surfaces Pvt ltd provides the solution for the all your noise pollution this company is foreign based and have got all the imported products and best technical engineers who call solve all your noise problems. This company has worked for many foreign companies and many popular companies in India also which provides them the best acoustic solutions.
We do have trained acoustical advisors who travel around the world experts in site analysis to assure you all the acoustical data required for the sound reduction.
They are affordable and gives high performance acoustical products. And also offers most user friendly , high tension fabric acoustical wall system in the industry.

Acoustical Doors to stop sound from inside and outside

Acoustical entryways are somewhat costly, and along these lines have a tendency to be saved for sound-basic applications like recording studios, government locales, or authoritative workplaces in production lines with bunches of substantial apparatus. Nonetheless, on the off chance that you are so delicate to sound that the neighbour’s pooch keeps you up throughout the night, or in case you’re a hey fi or home theatre devotee, you might be a contender for an acoustical entryway. For a definitive in acoustical seclusion, consider an acoustical twofold entryway.
How would you know how compelling an acoustical entryway is contrasted with other acoustical entryways? You take a gander at the STC. STC remains for Sound Transmission Class, and portrays the acoustic properties of an acoustical entryway compactly with a solitary number. It is a measure of sound transmission misfortune from one side of the way to the next. Accordingly, a higher STC implies the entryway keeps sound out (and in) all the more viably. Just a research center certify by the United States Department of Commerce, National Institute of Standards (NIST) under the National Voluntary Laboratory Accreditation Program (NVLAP) can formally test the entryway and issue a STC. This keeps makers genuine by guaranteeing they can’t cushion their numbers to make their entryway field engaging. The confirmation applies to a specific development and outline, paying little respect to measure, as the properties are relied upon to be fundamentally the same, and each conceivable variation of an entryway can’t be tried independently.
Acoustical entryways regularly have windows. By and large window size is constrained by craved STC esteem. Effect of window on acoustical segregation is assessed in light of window size. For the most part, in any case, an acoustical entryway won’t have louvers or vents, as these will trade off the sound lessening to the point of rendering the entryway futile as soundproofing.
While considering acoustical items, consider whether it originates from a maker who works in acoustical items. Likewise, consider equipment and establishment, as an acoustical entryway won’t be powerful if not introduced in an acoustically right way. Likewise ask in the matter of whether the producer ensures that the entryway will meet its predetermined execution in certifiable conditions.
Acoustical entryways are accessible with various flame appraisals. Home applications once in a while include fire entryways, yet in the event that you live in an apartment suite or are building a recording studio, you might need to consider an entryway with a sufficient flame rating. Acoustical entryways are normally accessible with flame evaluations of 20 moment, hour long, hour and a half, 3 hour, or “S”, which is held for genuine flame entryways.
Acoustical entryways and windows are accessible with STC evaluations of up to STC 56. You may not as a matter of course need the most elevated conceivable STC rating, be that as it may. Consider the acoustical properties of whatever is left of the room where the entryway will be introduced if the dividers are less soundproof than the entryway, then maybe you are spending unnecessarily on an entryway that is more soundproof than you require.
Acoustical entryways have a tendency to have a sound seal as a feature of the gathering. This is kind of like a gasket. Entryways evaluated STC 45 or higher have a tendency to have exceptional cam lift pivots and an aluminium limit so the entryway will seal as firmly as could be expected under the circumstances.

Wire mesh backing in interior designing and decoration

The mesh forms a backing to which the filler can adhere. e It is relatively easy to mend a hole that spans the ceiling joists. The resulting patch should make a neat, easily concealed repair that can simply be redecorated. e Where the old ceiling plaster thickness cannot be matched, fixing a framework of battens to the joists will help to e Work cellulose filler into the crack using a filling knife. When the filler has set, rub it smooth and flush with the surrounding plaster. To prevent the crack reopening, fix a scrim mesh across the crack and cover it with lining paper

Nail the side battens to the joists first, and then carefully tack cross battens on their ends. Protecting a light fitting To protect light fittings, turn the power off and encase the flex and fitting in a plastic bag held in place with adhesive tape. 9 • Floors “CI :1:1 .” “CI ~ :a ~ -I ::> z Whether you plan to lay a new floor covering or to make a decorative feature of an exposed floor, careful repair and preparation are vital. The floor should be as level as possible, clean, dry, and smooth. Smoothness is important, since any projections will quickly ruin a covering.

CHECKING THE flOOR • To help find small nails and tacks left in floorboards, slip an old nylon stocking over your hand and run it lightly over the boards.

  • To check if the boards are uneven, lay a straight batten across the run of the boards. Draw the curtains or turn out the lights, then shine a torch behind the batten. Light will shine through where the boards undulate. • Where the boards are badly worn, try lifting them and turning them over instead of buying new ones. Repairing a ceramic floor o Break up the damaged tile with a ham- mer and chisel and remove pieces with a small cold chisel. In case of splinters flying up, wear safety goggles at all times. Solid floors If a floor shows signs of dampness, it is important to deal with it.

A minor case of rising damp might be cured by coating the floor with a special latex waterproofing compound, but a floor that is really damp will have to be dug up and replaced with a new concrete base, damp-proof membrane, and screed. If the damp is simply the result of moisture condensing on a cold surface, this usually clears up when the floor covering is laid. Where the floor is just dusty, vacuum off the dust, then treat the floor with a coat of PVA adhesive, diluted one part adhesive to four parts clean water.

Ceiling in interior designing and decoration

Ceilings Once the ceiling has been stripped fsee p. 84-7), fill any minor cracks with cellulose filler, as for walls fsee p, 88-9). You may find that a large crack runs right across a ceiling, opening and shutting as the house moves slightly with the changing seasons. This type of crack is virtually impossible to seal and, unless you want to replace the ceiling, you may have to disguise it with ceiling tiles. Plasterboard ceilings are particularly prone to forming cracks in the finishing coat along the joins between the boards. To minim ize this, newly plasterboarded ceilings should be formed with small lath” sections of board, and a plaster undercoat as well as a finishing coat applied.

You can decorate the ceiling with a thick, textured paint to cover up these fine cracks. However, if you prefer a smooth finish, your best chance of a lasting repair is to work a fine-surface filler – or even a finely textured paint – into the cracks and smooth off with a dampened sponge. Stains On a ceiling, stains will sometimes bleed through new decoration if they are not treated beforehand. Seal the stained area with either an aluminium primer-sealer or with a proprietary stain block. Stain-sealers are now available in easy-to-use aerosol form. Textured surfaces If you wish to remove a textured coating from a ceiling, beware: the coating may well have been applied by a previous occupant of your home – or for that matter by its builder- to conceal a ceiling in poor condition. If you want to remove a textured coating, use a steam stripper to soften the compound, or apply one of the special stripping prepar- ations that are now readily available.

Either way, you will not find it to be an easy task, since you will have to scrape the compound away a little at a time and then wash the ceiling clean. Hairline cracks • The first step in repairing a hairline crack is to widen it slightly using the corner of a stripping knife. Unless you do this, it will be impossible to work sufficient filler into the crevice to repair it. e After you have widened the crack and removed any loose debris, the crack should look like this detail in cross section – a slightly V-shaped crevice. The point of the V will be on the inner surface. Plasterboard cracks o When you have to fill a large hole in a plasterboard ceiling, use expanded metal mesh stapled behind the hole.

Plaster in interior designing and decoration

You may, however, feel confident enough to tackle a large area of damaged or missing plaster where a window, door, or fireplace has been blocked off. For such ajob, it is easier for the beginner to achieve a smooth, flat finish with either a ready-to-use DIY plaster or a traditional type fsee p, 89). Your preparations for plastering must be thorough. Remove all loose and flaking plaster and if the reason for the original plaster failing is due to dampness then you must find the cause of the problem and cure it – otherwise the same fate awaits the new patch. Once you have cleaned off all the loose material, wet the wall and apply the plaster.

When you have applied about a 12 mm O~in) undercoat, use a fairly wide straightedge to level it off. Work the straightedge up the wall using a sawing action. The undercoat should finish about 3 mm ) below the level of the surrounding plaster work. This gap allows you to apply a fine finishing plaster flush with the surrounding surfaces. Use a little water with the top coat to give it a polished appearance. Use a wood or plastic float to apply the undercoat, working upward. f o Use a steel float, aided by a light spraying of water, to give the top coat a fine, polished finish. 90 Repairing a lath and plaster wall o Provided the laths are secure,you can fill holes in a lath and plaster wall as you would a solid wall. Reinforce broken laths using expanded metal mesh, stapled in place. e Draw a wood straightedge, spanning the patch, upward to level the surface.

You will have to reinforce a large corner repair. Here angle bead is used, held in position by blobs of plaster. e Dampen the laths and apply a plaster undercoat. Make sure that the plaster is forced between the laths for good adhesion. Key, allow the plaster to set, and then apply the finishing coat. /’ o Draw a scratcher over the drying undi coat to give the surface a good “key”. e Plaster the walls in turn, working awa from the corner. Leave the nose of the bel exposed to form the corner’s apex.

Silicone Rubber Sealant for interior designing and decoration

Use silicone rubber seal- ant or a plastic sealing strip, stuck in place with the adhesive supplied or with a clear silicone rubber sealant. Ceramic quadrants, or edging tiles, may be available in match- ing colours. Stick these to the wall with waterproof adhesive and seal them to the bath or basin with silicone rubber sealant. Worktops Tiles for worktops must be tougher than those used on walls. Flooring-grade tiles can also be used. Applying sealant Applying sealant so that gaps are completely filled can be a difficult job.

Some dispensers have winged appli- cators that help to shape the sealant as it leaves the cartridge, but when using a straight nozzle the simplest way of getting a neat result is to run a strip of masking tape either side of the area to be sealed. Apply the sealant between the tape, and then, while it is still soft, wet your finger and run it quickly along the sealant, pressing it home and shaping it precisely. Next, carefully pull the masking tape away from the wall straight away, leaving behind a neat line of sealant. If any sealant does stray and starts to set, let it cure and then cut it with a sharp blade and peel it away to leave a clean finish. S Since these tiles are tougher than normal, you may find that your existing tile cutter cannot cope. In this case borrow or hire a heavy-duty cutter that can handle tiles of 1 Omm fabout YJin) or more thick.

Try to plan your worktop so that you can use multiples of tiles without the need for cutting. This will also look neater. Shaping can be a problem, however, for while a tile saw will cut hard tiles, its blade will blunt quite quickly. Some worktop tiles have matching edg- ing strips to give a neat, rounded look to tiling. For many tiles, however, you will need to produce an edging, and this can be formed with plastic trim strips designed to sandwich under the row of edge tiles as they are laid. Always use waterproof adhesive, and space the tiles with the larger spacers used for floor tiles. Finish with waterproof grout, and seal the joint between worktop and wall with a silicone rubber sealant or with a plastic edging strip.

Interior game offers complete interior designing and decoration training and tips for the interior designers andstudents of interior designing and decoration from various universities. Interior designing guidance for all type of buildings will be given at free of cost.

Tiling Projects in interior designing and decoration

Splash backs, hovers, and hover top some tiling projects call for attention to particular details, and for the use of specialized materials. This is especially true of showers, when it is vital to seal every gap to prevent water penetration. Also, should you wish to replace the tiles of, say, an existing splash back, or anywhere else, it may be possible to leave them in sit and simply tile over them. Right This fully tiled shower enclosure looks dramatic – but it takes a lot of work. Below When tiling splash backs, always use water- resistant adhesive and grout. Splash backs If you have never tried tiling before, then tackling a small area such as a splash back is a good introduction. Check that the back of the sink or basin is horizontal – if it is, the tiles can follow this line.

With a freestanding basin, extend the tiling by one tile either side. Place a rule across the back of the basin and mark a pencil line on the wall where the extended tiles will sit. Pin a piece of hardboard to this line to give the tiles something to rest on while the adhesive sets. Use water-resistant adhesive to fix the tiles and waterproof grout to finish. If the wall is papered, apply adhesive to the back of the tiles that overlap the paper, within 3 mm of the edges, rather than risk getting adhesive on the paper. If this does happen, wipe off the adhesive immediately. Shower enclosures In most situations a shower enclosure will involve two walls of the room, but should a third wall need to be constructed, use marine plywood on a framework of retreated timber.

The plywood will be unaffected by damp. Make sure you use both waterproof adhesive and grout. The most vital factor with a shower enclosure is to ensure that all gaps are carefully sealed, particularly where tiles meet the shower tray. The tray must be firm and not flex, and meeting edges must be dry before you apply sealant. Use a silicone rubber sealant, either” clear or in a color to match the tray as closely as possible. Leave the sealant to set before you use the shower. Always follow the manufacturer’s instructions. Preventing water penetration Sealing gaps is also important behind sinks, basins, and baths.

Interior game offers complete interior designing and decoration training and tips for the interior designers andstudents of interior designing and decoration from various universities. Interior designing guidance for all type of buildings will be given at free of cost.

Wire Brush to remove paints in interior designing and decoration

Remove excess or flaking paint manually with a wire brush or with a cup or wheel brush attachment on a power drill. Always wear face protec- tion. If repainting, use a metal primer on the cleaned surface first. Once metal has started to corrode the process will continue, and accelerate, unless it is properly treated. Where you find rust, indoors in bathrooms or on leaky radiators, or outdoors on decorative iron- work or guttering, use a wire brush to remove all traces of it. Finish off with wire wool to clear away any fine dust from the surface.

After that, paint over the whole affected area with a rust- neutralizing primer – or a decorative rust-resisting enamel paint of the type used for radiators, which does not need a primer coat- and allow it to dry completely before applying the top coat. eutrali;e rust by nsing a printer that reacts u-itb the rust and [ornis II barrier betu/een the metal and the moisture-laden air. • • Wa 115 he different methods and materials used in the construction of walls often depends on the age of the build- ing, when alterations or extensions fif any) were made and whether the walls are external or internal.

For the purposes of decorating it is hardly important to know how walls are built for they are usually covered  internally with a layer of plaster or plasterboard, which presents a smooth surface for painting or papering. All types of wallcovering – from wall- paper and vinyl to hessian, cork, and ceramic tiles – can be fixed with special adhesives, as along as the plaster is firm and sound. But for fixing anything heavier it is important to know what lies beneath the plaster so that you can make the right choice of fixing fsee p. 100-101). /I , a ~ ~ External Walls The outside walls of a house are usually built with a double thickness of bricks or blocks. Originally, walls would have been solid but, in the 1 920s, cavity walls were first introduced, and these are now stand- ard in houses built since that decade. These double walls improve insulation and reduce the risk of damp.

Painting tips and guide in interior designing and decoration

T Surfaces and primers Unpainted softwood fnew or stripped), composite boards Ordinary wood primers, all- purpose surface primers, or primer/undercoat Resinous softwood and hardwood Aluminium wood primer Insulation board Stabilizing primer New plastering, plasterboard, rendering, or brickwork All-surface primer under resin-based paints; no primer needed under emulsion Porous or powdery plaster, rendering, or masonry Stabilizing primer Old wallpaper Treat metallic inks with knotting New iron and steel Calcium plumbate primer outdoors; zinc chromate primate indoors Bitumen-coated metal Aluminium spirit-based sealer Galvanized iron and metal Calcium plumbate primer Aluminium Zinc chromate or zinc phosphate primer fnot lead- based primers) Copper and brass No priming necessary Lead Allow to weather before painting; no priming necessary Ceramic tiles All-surface primer or zinc chromate metal primer Plastic, glass fibre All-surface primer

Preventing further damage To protect vulnerable areas of woodwork – such as sills, which are affected by condensation or rain – drill holes in the timber and insert and then seal in special wood-preserving tablets. These will dissolve and release a powerful fungicide should the wood become damp. Having made good the damaged area, check carefully to see how it became damp in the first place. If condensation is the problem, ventilation may need improving. If damp is rising, you may need to renew the damp-proof course.

If water is penetrating, you may need to replace window putty or re-seal around frames to keep it out. • Replacing wood If the damaged area is greater than is practicable to fill, cut out and replace the damaged timber. Remove all the affected wood and shape the surrounding area so you can match it with new wood. Apply wood hardener to any remaining soft fibres. Treat exposed wood with a clear wood preservative and, if you are planning to paint, use pretreated wood to fill the hole. Other- wise, treat your shaped piece with clear wood preservative before fitting it in place. It is best to cut the repair piece slightly too high so you can plane or sand it flush with the surrounding wood.