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.
| 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.
See what colors your new windows can be in. To enlarge, hover the cursor and click on the desired color. Please note that the colors you see may differ from the actual colors due to your monitor’s display settings.
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
Technika Okienna Spółka Akcyjna
82-300 Elbląg,
Street. Eugeniusza Kwiatkowskiego 6
Numer KRS 0000259286, Sąd Rejon. w Olsztynie
VIII commercial division of the KRS
Share capital PLN 1,000,000.00
NIP: 578-294-37-11
REGON 280133669
BDO: 000118898
