Terra Natural Finish




Pebbles, Grip




Terra is a concrete-effect porcelain tile and forms part of our Portland Range. This tile is offered with a Natural finish. To order a Terra tile sample in Natural finish click the Order Sample button below.

Terra Product Story

The clean contemporary aesthetic of concrete is captured in this ever popular urban range featuring five cool colours including a traditional Grigio, dramatic Nero and the sandy tones of Bianco, Sabbia and Terra. Portland’s surface finishes include Natural (R10) and Grip (R11) which make it suitable for a wide range of projects and design schemes that span both interior and exterior spaces as well as wet areas such as swimming pool complexes and shower rooms. 20 mm thick slabs are also available which offer excellent technical properties and multiple laying options making them ideal for patios, balconies, paths and driveways. Terra is part of our Concrete-effect Collection.

Terra Decorative Options

Size & finish

Bianco | Grigio | Sabbia | TerraNatural600 x 1200 x 10
Bianco | Grigio | Nero | Sabbia | TerraNatural800 x 800 x 11
Grigio | Sabbia | TerraGrip600 x 600 x 20
Bianco | Grigio | Nero | Sabbia | TerraNatural300 x 600 x 9.5

Related Tiles

In addition to Terra, we also offer a number of other brown concrete-effect porcelain tiles.

Discover similar tiles

Alternative Colours

The Portland Range is also available in the following colours and finishes:

  • Bianco – Natural
    Bianco – Natural
  • Grigio – Natural
    Grigio – Natural
  • Grigio – Grip
    Grigio – Grip
  • Nero – Natural
    Nero – Natural
  • Sabbia – Natural
    Sabbia – Natural
  • Terra – Natural
    Terra – Natural
  • Sabbia – Grip
    Sabbia – Grip
  • Terra – Grip
    Terra – Grip

Special Pieces & Mosaics

Portland also offers a unique decorative option. Pebbles comes in light and dark options with each composing of three colours from the range. Pebbles is offered on 300 x 600 mm tiles.

Bianco | Grigio | Nero | Sabbia | TerraNatural300 x 300 x 9.5Mosaic (Chip Size 50x50mm)
Grigio | Sabbia | TerraNatural316 x 316 x 9.5Mosaic Curve
Bianco-Sabbia-Terra | Nero/Grigio/TerraNatural300 x 600 x 9.5Pebbles
Bianco-Sabbia-Terra | Nero/Grigio/TerraStructured300 x 600 x 9.5Pebbles
Bianco | Grigio | Nero | Sabbia | TerraNatural80 x 800 x 11Skirting Tile
Bianco | Grigio | Nero | Sabbia | TerraNatural80 x 600 x 9.5Skirting Tile
Grigio | Sabbia | TerraGrip300 x 600 x 50Step Tile - Elemento AD L
Bianco | Grigio | Nero | Sabbia | TerraNatural300 x 600 x 9.5Step Tile - Gradino
Grigio | Sabbia | TerraGrip300 x 600 x 20Step Tile - Gradone

Technical Specification

Shade Tone Variance

Portland has been classified: V2 variation

Understanding Shade Tone Variance

porcelain tile shade tone variation

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.

Variance RatingDescription
V1Uniform Appearance
V2Slight Variation
V3Moderate Variation
V4Substantial Variation

Pendulum Test Values (BS 7976-2)

FinishConditionsResultSlip Potential

Understanding Pendulum Data

The HSE Approved Pendulum Test accurately replicates the Dynamical Coefficient of Friction (COF) or 'Heel Slip' on floor surfaces and is designed to replicate a pedestrian heel strike, the point at which most slips occur.

The pendulum test readings obtained are referred to as either the Slip Resistance Value (SRV) or Pendulum Test Value (PTV). When the test is operated properly, the PTV should be interpreted as shown in the table below. This table relates to pedestrians walking in a straight line on a level surface. It can be used to accurately test the slip potential on dry or contaminated floors.

PTVSlip Potential
0 - 24High
25 - 35Moderate
36 +Low

See British Standard BS 7976-2 for more information on conducting Floor Pendulum Testing on pedestrian surfaces. Pendulum Test Certificate available on request.

Ramp Test Values (DIN 51130)

Finish/StyleR Rating ValueFriction
Pebbles, GripR11

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 ValueFriction
R13Very high

See the Health and Safety Executives website for more information regarding the Ramp Test procedure. Ramp Test Certificate available on request.

Technical Data

SpecificationTest MethodsRequired ValueManufacturers mean value
Length and widthISO 10545-2±0.6%Conforms
ThicknessISO 10545-2±5%Conforms
Warpages of edgesISO 10545-2±0.5%Conforms
WedgingISO 10545-2±0.5%Conforms
FlatnessISO 10545-2±0.5%Conforms
Water AbsorptionISO 10545-3≤ 0.5%Conforms
Bending StrengthISO 10545-4>35N/mm²Conforms
Linear thermal expansion between 20C and 100CISO 10545-8According to builder's specificationsOn Request
Thermal Shock ResistanceISO 10545-9On RequestResistant
Frost ResistanceISO 10545-12On RequestResistant
Resistance to chemical attackISO 10545-13According to builder's specificationsResistant
Stain ResistanceISO 10545-14Test method availableConforms
Slip ResistanceDIN 51130-Natural - R10
   Tratti, Pebbles, Grip, Structured - R11

Portland is ECOLABEL and LEED® certified.

Download PDF Catalogue

You can download the Portland PDF catalogue here. Further catalogues are available on our catalogue page. You can call us on 020 8731 6787 or email enquiry@porcelaintiles.co.uk for more information about our Italian porcelain tiles.

Ordering tile samples

To order Terra – Natural tile samples please click this order button:

To review your items or to complete your order simply click on the white  tile icon in the top right-hand corner on any page of our website. You will then have the opportunity to review, edit or complete your order. You can also complete your order by clicking on the button below.

Tile samples are provided in 120 x 120 mm or 150 x 150 mm format. For more complex or subtle patterned tiles, we provide 150 x 300 mm format samples.

Environmentally Certified

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.

Portland is ECOLABEL and LEED® certified.

LEED® certification

LEED<sup>®</sup> 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.

EU Ecolabel

ECOLABEL certified

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.

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