Porthole with Climalit glass 4 + 12 + 4

Multi-purpose portholes

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It is a glass made of two 4 mm glass sheet, without any direct contact between them, in parallel with 12mm thickness of intermediate space filled with inert gas. This chamber is tight closed to prevent air circulation.

This is a CLIMALIT PLUS SAFE PLANITHERM.

It is a more expensive glass but thermal transmittance is much better: 1,8 U (W/m2 K)

Finishes