Shade Tone Variance
Calma has been classified:
Understanding Shade Tone Variance
Shade, texture and tone can vary from piece to piece within a single tile production run. V1 shade tone variation has little or no change from piece to piece where a V4 might have a substantial variety of shade, texture and tone variation.
Ramp Test Values (DIN 51130)
Understanding Ramp Test Data
DIN Standard Ramp Testing (DIN 51130) is an alternative to Pendulum Testing and generally categorised as an 'off-site' activity because of the size and complexity of the equipment required to carry out the test. The Slip Resistance Values (RSV) are factory gate values (based on supplied tiles) and categorised using the Ramp Test (DIN 51130) method which is commonly used by European factories. In this method, a lubricated inclined platform is adjusted to a gradually increasing gradient, and the angle is measured at which a person walking on it slips.
We have deliberately not included the ramp test angles on this page as this information can be confused with the angle that a floor may be safely set to, which is incorrect. The shod test results are quoted as an R Rating value from R9 to R13, which relates to the ramp angle.
|R Rating Value||Friction|
See the Health and Safety Executives website for more information regarding the Ramp Test procedure. Ramp Test Certificate available on request.
Calma is ECOLABEL and LEED® certified.
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Porcelain tiles are sustainable and environmentally certified and contain no harmful chemicals. They are made with 100% natural minerals and are frost resistant making them ideal for interior and exterior applications. Combining beauty with strength and possessing an ability to influence both lifestyle and emotion, porcelain tiles have become the new luxury surface covering. Expressing a style that demonstrates new forms of elegance and a versatility that caters for modern and traditional tastes, porcelain has the power to shape design trends.
Our Italian collection is carefully selected and regularly updated and uses the most advanced manufacturing techniques. This ensures we maintain the highest level of quality and performance without harming the environment.
Calma is ECOLABEL and LEED® certified.
LEED® certification provides independent, third party verification that a building project meets the highest green building and performance measure. All certified projects receive a LEED® plaque, which is nationally recognized symbol demonstrating that a building us environmentally responsible, profitable and a healthy place to live and work.
The LEED® program encourages the adoption of sustainable green building and development practices and promotes a whole-building approach to sustainability by recognizing performance in five key areas of human and environmental health: sustainable site development, water savings, energy efficiency, materials selection and indoor environmental quality.
All porcelain tiles within our collection comply with LEED® certification and are suitable for the LEED® approval process.
The EU Ecolabel helps you identify products and services that have a reduced environmental impact throughout their life cycle, from the extraction of raw material through to production, use and disposal. Recognised throughout Europe, EU Ecolabel is a voluntary label promoting environmental excellence which can be trusted.
The EU Ecolabel is awarded according to ecological criteria agreed on by experts, industry, consumer organisations and environmental NGOs and verified by independent third parties.