There's nothing quite like a room with a full glass roof to capture the warmth of the sun. But all that overhead glazing can also collect a lot of condensed moisture when it's cold outside and warm within. On sloped glazing, the water drips and stains the woodwork; in extreme cases, the sunroom environment also supports mold growth and wood rot. A glazing system that allows condensation to weep to the outside is critical to the long-term success of a custom sunroom.
On a recent job, we built a custom, free- standing sunroom using Summit (Jeld-Wen, www.summitwindows.com) vinyl custom picture, awning, and trapezoidal units for the vertical glass, and three motorized Velux venting roof windows on the north-facing roof slope. Automatically controlled by thermostat and rain sensors, the roof windows allow cooler...
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