
1.5
Ud for Ug = 0.7
(Ultimate spacer)
The system allows for the construction of fireproof joinery. The fire resistance of products built on the basis of MB-78 EI, depending on the needs, ranges from EI 30 to EI 60 for doors and a set of internal and external walls.
*The above value of Uw is given for a reference window with dimensions of 1230 x 1480 mm, in the best thermal variant.
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