Coloured Cement Roof Tiles, Terrazzo Tiles and High-Density Moulding: Technology Guide for Tile Machinery Buyers (2026)

Coloured Cement Roof Tiles, Terrazzo Tiles and High-Density Moulding

Plain grey cement tiles are a commodity. The plants that make money on the same machine are the ones producing coloured cement roof tiles, terrazzo tiles and high-density interlocking tiles - products where the buyer pays for appearance and long service life rather than per piece. This article explains the four technologies that create that premium: colouring method, acrylic surface coating, mould engineering, and forming pressure.

If you are specifying a coloured cement roof tile machine or a terrazzo tile machine, these four decisions will affect your selling price more than the model number of the machine.

1. Why Colour and Surface Finish Are the Margin, Not the Volume

A cement tile competes on two things a contractor can verify on site: how the finished roof looks from the street, and whether the tile is still the same color after three rainy seasons. Grey tiles win on price and lose on margin. Colour and finish systems are what let a producer quote above the local commodity floor without changing the forming machine underneath.

Same machine, several price points. An SM-20 or a WX hydraulic press can run plain, pigmented or coated tiles on the same line; the difference is in the batching and the coating unit, not the press.

Colour defends against import competition. Buyers comparing on price alone will always find a cheaper grey tile. Reproducing a specific colour and profile is a defensible position.

Surface quality reduces warranty claims. A sealed, low-absorption tile is what stops the complaint cycle in high-rainfall or freeze-thaw markets.

2. Three Ways to Colour a Cement Tile - and Which One to Choose

The commercial rule we give buyers: choose integral pigmentation when the market values durability and yard access is simple; choose surface coating when the market compares colour swatches; and choose both when you are building a branded tile range that must hold its appearance through a warranty period.

3. What the Acrylic Coating Unit Actually Changes

An automatic colour roof tile machine integrates high-pressure tile forming with an automated acrylic coating unit. The coating is applied to the cured tile through a multi-colour spraying system that delivers a uniform coating thickness, so colour variation between tiles is controlled by the machine settings rather than by operator feel.

Colour consistency across batches. Uniform coating thickness is what allows you to supply replacement tiles a year later without a visible colour mismatch on the same roof.

UV and weather resistance. The acrylic layer is the barrier between the pigment and the weather, which is what protects colour retention.

A predictable consumable cost. Model coating material per m2 of tile surface, not per litre, so it can be included in your quotation to contractors.

Mould compatibility. A coating line is normally specified together with the profile range - for example Spanish S-shape and Roman interlocking profiles - so confirm both the mould set and the coating unit in the same order.

4. Mould Engineering: The Specification Most Buyers Forget to Check

Moulds are the most under-specified component in a cement tile machine purchase, and the one that decides your maintenance cost. A soft, un-heat-treated mould set produces good tiles for the first few thousand cycles and then starts to drift - tile faces lose definition, edges round over, thickness tolerance opens, and the mould base deforms under press load. By then you have already sold the output.

When you compare quotations for a custom tile mould supplier, ask for the steel grade and the hardness figure in writing. The same discipline applies when you commission OEM moulds against your own drawing or sample: agree the material, the heat treatment and the life expectation as named items in the purchase contract. If a supplier cannot state the material and the heat-treatment hardness, treat the mould life claim as unverified.

5. Hydraulic Pressing Versus Vibration: Why Density Is a Selling Argument

A hydraulic pressed cement tile machine uses 100 to 500 tons of closed-mould pressure to collapse the trapped air volume in the concrete. A vibration-moulded machine relies on mechanical agitation instead. The difference shows up in three numbers that your customers can test.

This is the technical reason a hydraulic press line justifies a higher selling price per tile, and it is the argument we recommend putting in front of a contractor or a distributor rather than a discount.

6. Extending the Same Platform to Terrazzo and Paving Tiles

One of the most effective capital decisions a tile producer makes is buying a platform that can produce more than one product family. A hydraulic press line specified for roof tiles can be extended to terrazzo floor tiles and paving tiles, which spreads the fixed cost across a wider revenue base.

Terrazzo and floor tiles. A dual-layer dosage system lays a fine decorative face layer over a structural base layer, giving the surface appearance of terrazzo at a controlled material cost.

Paving and interlocking tiles. Lighter colours, tight tolerances and high breaking load for footpaths, driveways and municipal works - typically a large tender-driven demand.

Kerbstone and precast products. Where a market has municipal infrastructure spending, hydraulic kerbstone machines and precast kerbstone production lines can be specified on the same hydraulic technology base.

Ridge caps and accessories. A dedicated ridge cap forming machine shares the batching system with the main press, so ridge, hip and edge accessories match the field tiles in both colour and concrete composition - critical, because an incomplete roof system loses you the main order.

7. Quality Control: The Tests To Run Before You Ship a Batch

Face and pattern definition. Compare against a retained master tile under daylight; this catches mould wear before customers see it.

Dimension and thickness tolerance. Sample every shift. Thickness drift is the earliest visible sign of press pressure loss or mould wear.

Water absorption. The number that predicts long-term performance in wet and freezing climates.

Breaking load. Demonstrates the tile survives installation foot traffic.

Colour comparison between batches. Retain a sealed master sample per colour and compare under the same lighting conditions every time.

Coating adhesion. For coated tiles, check that the acrylic layer adheres after curing rather than flaking at the edges.

8. Frequently Asked Questions About Coloured Tile and Terrazzo Machinery

Q1: Can I add colour to my existing tile line, or do I need a new machine?

For integral pigmentation, you mainly need accurate pigment dosing and a mixer that achieves uniform dispersion - the forming machine itself does not change. For a glossy surface finish you add an automatic colour coating unit downstream of curing. Tell us the model you operate and the effect you want, and we will confirm whether it is an addition or an upgrade.

Q2: Which colouring method gives the most durable result?

Integral pigmentation is the most abrasion-resistant, because colour runs through the whole tile body and cannot chip off. A surface acrylic coating gives the highest gloss and the widest colour range. The strongest specification is a pigmented body finished with an acrylic sealer, and that combination is what we recommend for export markets with high UV and heavy rainfall.

Q3: How long do your tile moulds last?

Our precision moulds are machined from Cr12MoV forged steel and heat treated to HRC 58-62, with a quoted operational life of 500,000+ cycles - roughly 200 working days at 2,500 tiles per day. Real life depends on your aggregate abrasiveness and press pressure discipline. Moulds should be treated as a planned consumable with a replacement budget, not as a permanent part of the machine.

Q4: Can one machine produce both roof tiles and terrazzo or paving tiles?

On a hydraulic press platform, yes - the product geometry is defined by the interchangeable mould, and dual-layer dosing equipment extends the range to terrazzo and floor tiles. We usually recommend specifying the press with the full intended mould set at the outset, because it is cheaper than retrofitting the mould interfaces later.

Q5: What is the difference between an extracted and a hydraulically pressed tile, in practical terms?

Extrusion is faster and cheaper per tile and is the right choice for volume supply of standard 420 x 330 mm profiles. Hydraulic pressing is slower per cycle but produces a denser tile with lower water absorption, tighter dimensional tolerance and better frost resistance - the properties that let you sell a colour-coated or interlocking tile at a premium.

Q6: Do you supply custom moulds to my own tile design?

Yes. We design and machine custom aluminium and steel tile moulds from a customer drawing or a physical tile sample, covering Japanese flat, double-wave, Spanish S, Roman interlocking, ridge cap and paving profiles. Send us the drawing or a sample tile with the dimensions you must match, and we will return a mould quotation and a lead time alongside your machine quotation.

9. About Hangzhou WeiXing Building Materials Machinery Co., Ltd.

Founded in 1999, Hangzhou WeiXing Building Materials Machinery Co., Ltd. specialises in the complete range of concrete roof tile machinery, integrating research, development, production, sales and after-sales service. Our plant in Xiaoshan District, Hangzhou City, Zhejiang Province, China operates in-house shearing, bending, punching, pressing, milling, grinding and drilling equipment, a 5,000 kN heavy hydraulic press for single-pass mould-base stamping, and high-precision CNC machining centres, supported by AUTOCAD mechanical design.

Our products are produced under the operational guidance of the China Building Materials Xi'an Wall Materials Research and Design Institute and the State Building Materials & Industrial Wall and Roof Materials Quality Supervision and Testing Center, to our published enterprise standard Q/HZWX01-2005. The company holds ISO 9001:2008 and SGS authentication, and our machinery has been exported to more than 30 countries and regions across Asia, Africa, the Middle East and South America.

Company: Hangzhou WeiXing Building Materials Machinery Co., Ltd. (established 1999)

Colour and moulding range: Automatic colour roof tile machines, high-gloss acrylic coating lines, hydraulic pressed tile lines (100-500 tons), terrazzo and paving tile machinery, ridge cap forming machines, Cr12MoV CNC tile moulds (HRC 58-62)

Certification: ISO 9001:2008, SGS authentication

Email: hzjesse@gmail.com

WhatsApp: +86 15068111441

Key Takeaways

Colour and surface finish are the margin line, not an accessory - and they can be added on the same forming machine.

Choose integral pigmentation for durability, acrylic surface coating for gloss and colour range, and both for a branded premium range.

Specify the mould steel grade and hardness in writing: Cr12MoV forged steel at HRC 58-62 with a 500,000+ cycle life.

Hydraulic pressing at 100-500 tons is what delivers the low water absorption that supports a premium price in wet climates.

One press platform plus interchangeable moulds can cover roof tiles, terrazzo, paving and ridge accessories - spreading fixed cost across more revenue.

Retain a sealed master tile per colour and compare every batch under daylight; it is the cheapest quality system you will ever install.

Next step: send us a photograph or drawing of the tile profile and the colour you intend to sell, together with your target daily output. We will return a mould quotation, a colouring-method recommendation and a full machine specification. Contact our engineering sales team at hzjesse@gmail.com or on WhatsApp at +86 15068111441.