Get a Free Roof Estimate on any new roof, including metal, shingle, flat and tile in Jacksonville, Northeast FL and Central Florida areas.

Why learning what a "new roof" consists of is important to you:


When deciding on a new roof on your Jacksonville home or business, it might be helpful to you if you understood the basic portions of your roof system. This could de-mystify the lingo used by various contractors who might use these terms as you are gathering bids during the estimate process.


Of course, when you contact Excel Roofing Contractors, we take great care to make certain you receive full information, going over every section of your new roof estimate, in an easy to understand way.


We feel that an informed consumer is a better customer and we do attempt to hide or distort information, in any way.


New Roof Terms; A Primer:


To help you better learn the different portions of your roof as well as "learn roofing-speak", just refer to the below:

  • Deck/sheathing: The surface, usually plywood or oriented strand board (OSB), to which roofing materials are applied.
  • Dormer: A small structure projecting from a sloped roof, usually with a window.

  • Drip Edge: An L-shaped strip (usually metal) installed along roof edges to allow water run off to drip clear of the deck, eaves and siding.
  • Eave: The horizontal lower edge of a sloped roof.

  • Fascia: A flat board, band or face located at a cornice's outer edge.
  • Felt/Underlayment: A sheet of asphalt-saturated material (often called tar paper) used as a secondary layer of protection for the roof deck.
  • Fire Rating: System for classifying the fire resistances of various materials. Roofing materials are rated Class A, B or C, with Class A materials having the highest resistance to fire originating outside the structure.
  • Flashing: Pieces of metal used to prevent the seepage of water around any intersection or projection in a roof system, such as vent pipes, chimneys, valleys and joints at vertical walls.

  • Louvers: Slatted devices installed in a gable or soffit (the underside of eaves) to ventilate the space below a roof deck and equalize air temperature and moisture.

  • Oriental Strand Board (OSB): Roof deck panels (4 by 8 feet) made of narrow bits of wood, installed lengthwise and crosswise in layers, and held together with a resin glue. OSB often is used as a substitute for plywood sheets.
  • Penetrations: Vents, pipes, stacks, chimneys-anything that penetrates a roof deck.
  • Rafters: The supporting framing to which a roof deck is attached.

  • Rake: The inclined edge of a roof over a wall.

  • Ridge: The top edge of two intersecting sloping roof surfaces.
  • Sheathing: The boards or sheet materials that are fastened to rafters to cover a house or building.
  • Slope: Measured by rise in inches for each 12 inches of horizontal run: A roof with a 4-in-12 slope rises 4 inches for every foot of horizontal distance.

  • Square: The common measurement for roof area. One square is 100 square feet (10 by 10 feet).
  • Truss: Engineered components that supplement rafters in many newer homes and buildings. Trusses are designed for specific applications and cannot be cut or altered.
  • Valley: The angle formed at the intersection of two sloping roof surfaces.

  • Vapor Retarder: A material designed to restrict the passage of water vapor through a roof system or wall.

We will be happy to come inspect your roof

We will actually climb up onto your roof in order to help you make the decision to either repair or replace your existing roof. Regardless of our findings and your decision, you want to deal with a company whose professional opinion is one you can trust and rely on. Should you decide that a new roof is in order, we will also be happy to discuss budget, seasonal considerations and even assist you with your homeowners association presentation if necessary.

(904) 631-7663
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