Ceramic Tile Stc Ratings

1207 2 air borne sound sound transmission class stc single number rating derived from laboratory measurement of sound transmission loss astm e90.

Ceramic tile stc ratings.

A higher stc means the material is better at attenuating the everyday noise in rooms with wood and laminate floors. A f iic and f stc rating. A rating of 1 is the highest quality and thickest tile available 3 4 inch thick and you. The iic and stc is conducted at a controlled laboratory.

An iic and stc rating will generally be 5 points higher than. Catalog of stc and iic ratings for wall and floor ceiling assemblies russell b. Stc sound transmission class. The nrc is usually reported as a percentage.

The preferred level of performance for stc and iic is 60 57 f iic. 1 inch thick cork wall tiles have a rating of 0 7 which means 70 of the noise is absorbed and 30 is reflected. The sound transmission class stc is used in the us to rate ceilings doors interior and exterior walls and windows for sound reduction. All ratings are not equal as with any underlayment sound testing number that a company gives you each subfloor or floor assembly in your home.

Stc sound transmission class stc is simply a numeric value defining how well a building or in this case a floor is at reducing the effect of airborne noise. Iic impact insulation class iic is the numeric value defining how well a floor assembly is at reducing the. Describes the sound insulating properties of a floor ceiling assembly in the 100 4000 hz frequency range fbc and ubc requirement for is 50 higher values indicate. Sound transmission class stc is an integer rating of how well a building partition attenuates airborne sound in the usa it is widely used to rate interior partitions ceilings and floors doors windows and exterior wall configurations see astm international classification e413 and e90.

Vinyl cork and rubber have a fairly high nrc rating with hardwood bamboo tile and stone at the bottom of the scale for sound absorption. The f iic and f stc is conducted in the field where sound is not as controllable hence the 5 point difference. Tiles are graded using a numerical numbering system based on their thickness and quality. Veneer plaster partitions achieve up to 63 stc in steel framed resilient systems and up to 52 stc in wood framed resilient systems have achieved 1 to 4 hr.

Carpet with an nrc rating of 40 50 is the most efficient absorptive material. Dupree office of noise control california department of health services berkeley california 94704 introduction building codes.