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How Does Water Drain Out From a Curtain Wall?

HOW DOES WATER DRAIN OUT FROM A mullion insulation block beauty cap transom CURTAIN WALL? WATER ENTRY START ENTER ENTER WATER ENTERS THROUGH THE CAP BEAD The cap bead needs to be soft enough to THE CAP BEAD FILLS THE VOID IN-BETWEEN THE PRESSURE PROFILE AND THE GLASS accomodate shifts in the system, but rigid enough to resist damaging environmental ENTER effects. It's usually made of neoprene, EPDM, or silicone. Since it is the first level of protection for the curtain wall, it is the area most prone to water infiltration. Silicone is the best material to use because of its excellent resistance to UV damage, while neoprene is the worst because it is prone to being stuck in compression - commonly referred to as THE CAP BEAD MUST BE INSTALLED IN COMPRESSION ENTER COMPRESSION SET TO ALLOW FOR EXPANSION OF THE METAL BEAUTY CAP ENTER ENTER THE CHOICE OF BEAUTY CAP ALSO HAS AN IMPACT ON WATER INFILTRATION PRESSURE EQUALIZATION DEEPER beauty caps can't clamp as well onto the pressure profile ENTER because they expand when heated. -They also collect ice and snow. HOLES IN THE PRESSURE PLATE ALLOW FOR PRESSURE EQUALIZATION OF THE INNER CAVITY This means that the built-up air pressure is allowed to flow through and drain the cavity rather than drive water further into the system. WITHOUT HOLES IN THE PRESSURE PROFILE, AIR PRESSURE FROM WIND AND HEAT WILL DRIVE WATER FURTHER INTO THE SYSTEM WHEN HOLES ARE ADDED TO THE PRESSURE PROFILE, THE AIR FL OWS IN THE DIRECTION OF THE WATER DRAINING WATER ESCAPES WATER GOES FROM THE MULLION TO THE TRANSOM WITH HELP FROM THE CORNER BLOCK WATER IS THEN DIRECTED THROUGH HOLES IN THE PRESSURE PROFILE. FROM THE PRESSURE PROFILE, WATER TRAVELS TO HOLES IN THE BEAUTY CAP AND CAN, AT LAST, ESCAPE UNISONİ A Lifetime of Beauty and Performance WINDOWS & DOORS pressure profile cap beads gasket

How Does Water Drain Out From a Curtain Wall?

shared by unisonwindows on Jul 07
This infographic provides a glimpse into the sophisticated engineering and design that makes our curtain wall system unique.


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