Q: Assuming an attic is leaking some heat that reaches the roof sheathing, causing an ice dam, does the snow on the roof tend to act as insulation, trapping the heat near the sheathing? Will the melting of the roof snow be worse when there are 12 inches o More
Q: I want to vent an existing shed roof that intersects a vertical wall at the ridge. Because this roof is at the front of the house, I don’t want to place any visible vents in the roof. Is there an inconspicuous ridge vent available that can be insta More
Q: A homeowner in central Pennsylvania has asked me to repair a roof with a history of ice-dam problems. The roof is over a cathedral ceiling that has only 6 inches of fiberglass insulation, with no space for venting above the insulation. Can you provide More
Q: I am improving the attic ventilation in a 30-year-old two-story house in Virginia. My plan is to install soffit vents and insulation baffles. The attic has gable vents with thermostatically controlled fans. Do I have to install a ridge vent, or are the More
Q: I need to insulate a cathedral ceiling that will be finished with... More
Q: By code, how many linear feet of ridge vent is needed per square of roofing? More
Q: I have a job with a ridge beam built-up out of four pieces of LVL. Is there a... More
Q: Here in the West, we often build with exposed rafter tails. For attic roof vents, we typically drill three 1 1/2-inch holes through every other soffit block, and install ridge vents. Is this enough ventilation? More
They tear up roofs and stain ceilings across the snow belt. But ice dams should stay away if you follow these guidelines. More
