Mon-Fri: 7:00 am - 3:30 pm

Closed Saturday & Sunday

PO Box 2727

San Rafael, CA 94912

Key Roofing Terms to Know

Call For A Free Estimate!

Key Roofing Terms to Know

When it comes to your home, you only seek the best according to your needs and preferences. More than likely, you will encounter roofing terminologies as you research in catalogues, reviews, or even listening to your contractor. Which in turn leaves you confused and overwhelmed. 

Having an idea about a few key roofing terms to know can greatly help you make better decisions for your roof. Here are some common and important terms you may want to learn:

  • Accelerated Weathering – a process that occurs when materials are exposed to the elements (such as heat, moisture, condensation, etc.) becomes damaged over time.
  • Buckle – a displacement of a roof where the membrane becomes elongated due to over insulation. It is usually an indication of movement on your roof’s assembly.
  • Cupola – a somewhat small roofed structure. Usually set at the main roof’s ridge or peak area.
  • Dead Level – it is the flat or horizontal part of a roof deck or roof top with no slope for the roof drains.
  • Efflorescence – a formation of white, crystalline deposits found on the surface of bricks, stone, concrete, or other masonry surfaces. This occurs when moisture drips across the masonry then evaporates.
  • Flashing – this is where the materials used for sealing or weatherproofing the edges, perimeters, walls, drains of the roof get damaged, often by water.
  • Gable – a part of a triangular endwall of a structure below the sloping roof and above the eave line.
  • Hip Roof – a portion of the roof where it is raised by inclined planes to form one or more hips.

electrical wires and support beams

  • Joist – these are parallel beams of timbers or metal that supports the ceiling, floor, or roof of a building.
  • Lap: that part of a roofing, waterproofing, or flashing component that overlaps or covers any portion of the same or another type of adjacent component.
  • Mansard: a decorative steep-sloped roof on the perimeter of a building.
  • Neoprene: a synthetic rubber (polychloroprene) used in liquid-applied and sheet-applied elastomeric roof membranes or flashings.
  • Open Valley: a method of valley construction in which the steep-slope roofing on both sides are trimmed along each side of the valley, exposing the valley flashing.
  • Purlin: horizontal secondary structural member that transfers loads from the primary structural framing.
  • Reglet: a sheet metal receiver for the attachment of counterflashing.
  • Snow Load: a load imposed on buildings or other structures due to snowfall.
  • Tab: the exposed portion of strip shingles defined by cutouts.
  • Underlayment: an asphalt-saturated felt or other sheet material installed between the roof deck and the roof system, usually used in a steep-slope roof construction.
  • Valley: the internal angle formed by the intersection of two sloping roof planes.
  • Weep Holes: small openings whose purpose is to permit drainage of water that accumulates inside a building component (e.g., a brick wall, skylight frame, etc.).

Now that you have a better understand of some key roofing terms to know do you have questions about your roof?  Reach out to us and we’d love to speak with you regarding your roofing needs.

Posted in