Carpet…Why Not WOOL?

Often we make decisions on our floor covering in our homes based on function as well as the visual impact.  But are you thinking about the function with cleaning and upkeep or the “noise factor”?  The noise factor is a big issue with our floor plans and has been since the open floor plan began to be popular.
In homes with a lot of bare floors, noise is a major issue as well.  I’ve used beautiful wool carpets for area rugs, runners on stairways, as well as for wall to wall application in bedroom areas, to help with the noise factor.  So, read below, when silence can be golden….

 

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WHEN SILENCE IS GOLDEN
The next time you’re in a restaurant and are having a hard time hearing your dinner companion, look around. Chances are the floor and walls are hard surfaces, which mean that all the sounds made in the restaurant are just bouncing around without much opportunity for absorption.
Sound is transmitted by the vibration of air molecules. So, if you are surrounded by hard surfaces, any sound is reflected back into the room. Carpets, on the other hand, are extremely effective sound absorbers because the individual fibers, piles tufts and underlay have different resonant frequencies at which they absorb sound. In this respect, wool carpets are extremely effective, as the millions of wool fibers in an area of carpet have a range of lengths, diameters, crimps and spirality, which enables them to absorb sounds over a wider range of frequencies.
Typically, carpets can reduce airborne noise by 35%; however, tests of wool carpets of varying constructions produced an average noise reduction of 46%. With underlay, reductions of 50% to 70% were achieved. It is important to note that sound absorption will be lower if the carpet backing is too impermeable. The ultimate combination for noise absorption is a wool carpet with a wool underlay. Also, cut-pile carpet will absorb more than loop, because of the more open nature of its surface.
In addition to verbal noise we also generate surface noise. Surface noise in a room is the sound from footsteps, dropped objects and furniture movement. Bare tile floors produce 7-12 times more surface noise than carpets, which cushion the impact of the noise, absorbing and deadening the sound. This type of noise control is particularly important in busy restaurants and other locations where people need to be able to communicate amidst a lot of activity.
Overall, by reducing the noise levels and reverberation times, wool carpet improves a room’s acoustics, whether it is in a public facility or your home. Background noises disappear; speech comprehensibility increases and occupants automatically speak in a softer, more relaxed voice, rather than generating even more noise by trying to makes themselves heard above the sound around them.

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