See also the topic "lab testing"
No conventional system comes close to the performance on water tightness than H60….but there is more
The unique performance is perfectly under control as
not depending on silicone, by definition not durable
not depending on the tension of the screws in the pressure plate, as there are no screws in H60…
there are no delicate screwed connections between the milled transom and the mullion.
It is also important to underline that this unique performance is not the result by putting pressure on the gaskets by a screwed pressure plate but by the combination of
a well-functioning pressure equilibration; and
a field drainage instead of the classic cascade drainage in the mullions