Roof Tile Glazes and Engobes

Ferro offers a wide range of colorful roof tile glazes and engobes in custom formulations for nearly limitless options in roof tile designs. Available in lead-containing and lead-free formulations, our glaze/engobe formulations also provide an array of surface effects including metallic aesthetics, smoothness, matt and gloss.

Roof Tile Glazes

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Ferro’s in-house vertical integration of roof tile stains, frits, and additives technology and production capabilities allows us to offer custom roof tile glaze and engobe formulations that span the entire color space.  We also provide various transparency and opaqueness options with many surface effects such as glimmer, metallic looks and precious metal surface aesthetics. 

Our roof tile glazes provide a smooth and pore-free glass layer of ceramic roof tile protection that significantly reduces dirt retention, algae and moss growth on the roof tile surface.  Our lead-free glazes offer roof tile manufacturers the ability to provide a palette of colors that are environmentally responsible.

Roof Tile green

Ferro’s roof tile engobes provide a beautiful high-quality smooth tile surface with many effect options that include semi-matt and matt finishes.  In many cases, they can reduce dirt retention on the roof tile surface.

Roof tile glazes/engobes formulations are available with or without additives and can be provided in pre-milled or dispersible powder form according to customers’ specific requirements. 

We are also able to supply engobes/glazes in slip form where customers only have to adjust (dilute) the viscosity to their production needs.


roof tile glazes and engobes

DELIVERING OPTIMAL PERFORMANCE
We deliver optimal glaze and engobe performance by determining the suitability of the glaze/engobe combination’s compatibility with the clay roof tile body during drying and firing based specifically on its thermal expansion coefficient (CTE) and softening point. 

The temperature range can also be adjusted to suit particular firing conditions. 


 ROOF TILE OPTIONS FOR SHAPE, FIRING, APPEARANCE, AND FINISH 

Ferro's beautiful high-quality smooth tile surface with many effect options that include semi-matt and matt finishes

Roof tile type: Flat tile, shaped tile 
Temperature: 980 °C to 1140 °C
Firing duration: 4 to 24 hours 
Firing energy: Gas, electric, oil
Color of body / fired: Red, yellowish, brown
CTE x10-7/K of body: 50 to 70 
Finishing products: Glaze or engobe /lead-free or lead-containing 
Surface: Glossy, silk-matt, matt 
Color shade of surface: Data from RAL or Pantone catalogue or sample
Effect: Fumed, metallic
Preparation/glaze: Turbo twirling stick, mill
Application: Centrifuge, curtain-coating, fuming, spraying 

ROOF TILE GLAZES AND ENGOBES PRODUCT INFORMATION

Ferro Roof Tile Glazes and Engobes Product Data



VALUE ADDED SERVICES

Applications Technology Support-Custom Formulations
We work closely with our customers to co-innovate and develop customized, high-performing and economical roof tile glazes and engobes based on individual application requirements.