Ceramic Tile Stc Ratings
Stc sound transmission class.
Ceramic tile stc ratings. Carpet with an nrc rating of 40 50 is the most efficient absorptive material. Iic impact insulation class iic is the numeric value defining how well a floor assembly is at reducing the. The quietwalk underlayment provides very high ratings such as iic of 71 and stc 66 as of mid 2018. The nrc is usually reported as a percentage.
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 preferred level of performance for stc and iic is 60 57 f iic. 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.
Dupree office of noise control california department of health services berkeley california 94704 introduction building codes. The f iic and f stc is conducted in the field where sound is not as controllable hence the 5 point difference. Fire resistance ratings for veneer and conventional systems can minimize or eliminate irregularities such as ridging boarding and nail pops associated with standard drywall. Catalog of stc and iic ratings for wall and floor ceiling assemblies russell b.
A f iic and f stc rating. The sound transmission class stc is used in the us to rate ceilings doors interior and exterior walls and windows for sound reduction. An iic and stc rating will generally be 5 points higher than. A rating of 1 is the highest quality and thickest tile available 3 4 inch thick and you.
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. The iic and stc is conducted at a controlled laboratory. 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. This catalog of sound rated wall and the purpose of the indexing system is.
Tiles are graded using a numerical numbering system based on their thickness and quality. 1207 2 air borne sound sound transmission class stc single number rating derived from laboratory measurement of sound transmission loss astm e90.