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Characteristics - Properties

Sintered Compact Surface...


Walls and Floors installation


Ventilated façade systems


Cutting Recommendations 12 mm


Impact test


... with Extraordinary Characteristics


Does not burn in contact with fire or let off smoke or toxic substances


Since the color is 100% natural, it does not deteriorate due to exposure to the sun or extreme temperatures


The 3 mm board is only 7 kg/m² and the 12 mm board, 30 kg/m².


Neolith is not damaged by low temperatures


Resistant to scratching and abrasion due to the hardness of the surface.


Resistant to chemical cleaning agents.


A high modulus of rupture. Resistant to high pressure and weight loads.


Does not release harmful substances. Completely suitable for contact with food.


Due to the hardness of the surface.


Resin-free. Does not release any harmful substance into the environment.


Waterproof and liquid-resistant. With an absorption level near zero.


Up to 52% of any Neolith board is comprised of recycled raw materials.

The Largest Existing Sintered Compact Surface

Two Large Slab Formats

Neolith comes in two large formats measuring 3,200 x 1,500 and 3,600 x 1,200 mm, which means greater uniformity and continuity in different spaces for easier handling and to minimize the number of joints for more aesthetic and hygiene benefits.

Also in Tile Formats

Neolith comes in different tile formats which are outstanding due to the large size: 1,500 x 1,500, 1,500 x 750, 750 x 750, 1,200 x 1,200, 1,200 x 600, 600 x 600 y 600 x 300 mm.

Its lightness and large dimensions also make it the ideal material for renovation projects as it can be used directly on an already existing surface to save costs and handling times.

Also available in custom sizes for projects.

Minimum Thickness

One of the characteristics that make Neolith stand out is how thin it is; it comes in thicknesses of 3, 6 and 12 mm. The difference in their use varies based on the intended purpose.


For furniture and interior cladding, using 3 mm is recommended; for flooring (interior and exterior) and exterior applications (like ventilated façades), 6 mm is recommended; whereas 12 mm is reserved for more demanding product uses such as for kitchen worktops.

Table: Recommended uses based on Neolith thicknesses

(+) represents boards reinforced with fiberglass mesh.

Finishes for All Tastes

Completely matte and highly resistant. Ideal for commercial use.


A matte finish with a light layer of enamel for subtle shine and a pleasant soft touch. Surface finish easy to clean.


A rough texture to the touch due to its great relief and depth.


Shiny with a perfect linear reflection that gives the material depth and elegance.


*See Polished Finish Manual below.

Neolith Finish Manual
Polished Finish Manual
Handling of Polished Slabs


After years dedicated to exhaustive research and a commitment to innovation, TheSize now has a production plant that houses machinery and equipment which is state-of-the-art in the architectural surface sector.

Among others, 4 exclusive Technologies particularly stand out, all of which are used with its star Neolith product.

Sintering Technology: compacting, resistance and durability

It consists of subjecting the 100% natural raw materials to very high pressures and temperatures. The combination of raw materials goes through a press in a first phase where force/pressure of up to 400 bars is applied. In a second phase, the boards are baked in an oven at a temperature of more than 1,200ºC. This way, the Sintering Technology used by TheSize gives Neolith physical and mechanical features which are unprecedented in the construction industry.

Full Body Technology: full body decoration

Real full body technology that integrates the same color and design throughout the body for greater aesthetic and visible even edging.

Technology used on 17 available models


NAP (Neolith Airless Pistol) Technology: soft to the touch

This technology gives Neolith boards a texture that is soft to the touch. It is sprayed with the NAP Technology upon leaving the oven to give the surfaces a silky finish known as the Silk finish.

NDD (Neolith Digital Design) Technology: digital decoration

A Technology developed by TheSize which revolutionizes and increases the design possibilities offered by Neolith for richer details and a surprising degree of realism.

Technology used on more than 30 available models.


Summary of Technical Characteristics