Offer /


The excellent design of the Grando system means that even very large sashes can be moved practically without the use of force. Unlimited glazing guarantees effective illumination of the interior both with the doors open and closed. An almost invisible threshold eliminates the division into external and internal space.

Technical Specifications

Uf of the frame/leaf assembly 1,5 W/m²K
glazing thickness up to 48 mm
installation depth 190 mm
GU fittings

Grando lifting and sliding doors feature an innovative design of the fixed part and a narrow leaf that guarantees perfect interior lighting.

comfortable use of Grando sliding doors is guaranteed by the use of the highest quality Roto Patio Inowa fittings, which ensure smooth and effortless sliding of the door leaf.

perfect stylistic match to traditional and modern buildings. Possibility to choose from many color versions, from metallic, through wood-like, to smooth and structural colors imitating aluminum.

color scheme

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we look forward to your questions

Call us: +48 55 888 0 222
or write a message using the form

Call us:
+48 55 888 0 222
or write a message using the form