and make your roof last longer. To do this, outdoor air is allowed in (usually through soffit vents) and hot attic air is expelled (usually through box vents or ridge vents). These inputs and ...

Water vapor naturally moves through the air and can condense when it ... has effective ventilation—such as attic vents (soffit vents), roof vents (ridge vents), or an attic fan—moisture ...

In the attic space, we provide vents, what we call air intake, at the lowest portion ... preferably the actual peak or ridge of the roof. This is called a passive ventilation system.

Westlake Corporation’s WLK unit, Westlake Royal Building Products has launched Dryroll, a universal ridge vent and weather block. Dryroll is designed to optimize roof protection and attic ...