Overflow Drain

Overflow Drain

Why Overflow Drains Are Used on Low-Slope RoofsRoof Types - Low-slope roofs (flat roofs) are a type of roof system with less than a 3:12 pitch, most commonly found on commercial and industrial buildings. More Overflow drains are part of a building’s roof drainage...
Parapet Walls

Parapet Walls

How Parapet WallsComponent - A parapet wall is the portion of an exterior wall that extends above the roofline at the perimeter of some buildings. More Function in Low-Slope Roof Systems On many low-slope commercial buildings, the parapet forms the edge of the roof...
Polyiso Insulation

Polyiso Insulation

Why Is Polyiso InsulationComponent - Polyiso (polyisocyanurate) is an insulation board installed beneath many low-slope roof membranes to improve a roof system’s energy efficiency. More Used in Roofing? Polyiso is the most common insulation used in modern low-slope...
Roof Curb

Roof Curb

What Is a Roof Curb Roof curbs are typically built with wood or metal that extends vertically around an opening in the roof. Roof curbs are most commonly used beneath rooftop equipment such as HVAC units, skylights and roof hatches. By elevating the penetration above...
Roof Deck

Roof Deck

What Is the Purpose of Roof Decks in Roofing Systems The roof deck forms the foundation of most steep-slope and low-slope roof systems. It is attached directly to the building’s structural members, creating a continuous, stable surface where roofing materials can be...