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Glossary of Terms

Roofing Brands We Work With:

EDCO Metal

All lines from EDCO come with a lifetime warranty. EDCO uses “cool-roof technology” that reflects the sun and heat, lowering cooling bills during the summer. All material is 100% recyclable as well as fire, impact and pest resistant.

1.       Infinity Textured Shake

          a.       Mimics the look of real wood shakes with out the hassle and upkeep of wood.

                                                               i.      Clean lines provide a beautiful, refined roof.

          b.       Stone coated, thermal fused paint means a 40-year color fade warranty against fading, peeling and cracking.

                                                               i.      Comes in 9 color options to match any style or color scheme.


2.       Arrowline Shake

          a.       For a natural hand-split shake look without the downsides of wood roofing.

                                                               i.      Varied lines and shapes look more like natural wood shakes

          b.       30-year color fade warranty on solid and “enhanced blends”

                                                               i.      12 solid color options that can be blended to give the impression of the more natural color variation of                                                                             wood

3.       Arrowline Slate

          a.       Perfect for finishing a historically charming house.

          b.       All the looks and strength of traditional slate roofing at only a fraction of the weight and cost.

                                                               i.      Avoids the issues of natural slate, such as broken tiles and faulty flashing, making it very low                                                                                             maintenance.

          c.        Available in 6 solid colors with the option of blending them to create a more natural slate look.

4.       Generations Shake

           a.       Enhanced with more natural lines and dips and characteristics that are found in natural wood shakes.

           b.       30-year fade warranty for 9 colors that can be blended for the natural variation found in wood shakes

                     GAF Timberline HD

A fiberglass asphalt construction, GeekSuite installs GAF roofing on the majority of the projects we are contracted for. Timberline HD is more economically friendly than any other roofing material, without sacrificing protection or style, and comes with a ten-year limited warranty that covers labor and materials.


1.       Timberline HD has the highest fire safety rating in its class

2.       Has stain guard protection against mold and algae growth

3.       With 21 color options and 5 regional sources to ensure color consistency, Timberline utilizes color blends and shadow effects to mimic the              beauty in wood shakes without the hassle wood presents for homeowners.  


Additional roofing material and terms

1.       Bundle

          a.        A package of shingles. There are typically 3, 4 or 5 bundles per square. (3, if it is Timberline)

2.       Dormer

          a.        A framed window unit projecting through the sloping plane of a roof.

3.       Dormer Flashing

          a.        A long vertical piece of flashing (Plain Flashing)

4.       Down Spout

          a.        A pipe for draining water from roof gutters. Also called a leader.

5.       Drip Edge

          a.        A corrosion-resistant, non-staining material used along the eaves and rakes to allow water run-off to drip clear of underlying                                       construction.

6.       Eaves

          a.        The horizontal, lower edge of a sloped roof

7.       Fascia

          a.       The vertical board secured to the ends of the rafters under the lower end of the roof to which the guttering is normally fixed

8.       Felt Buster

          a.        Fibrous material saturated with asphalt and used as an underlayment or sheathing paper.

9.       Flashing

          a.       Pieces of metal used to prevent seepage of water into a building around any intersection or projection in a roof such as vent pipes,                          chimneys, adjoining walls, dormers and valleys.

10.     Flat Roof

          a.        A roof which has negligible slope, usually covered in felt, metal, or other material which is impermeable to water.

11.      Gabel

          a.        The upper triangular portion of a sidewall that comes to a point at the ridge of a double sloping roof. (See Figure B.)

12.     Gabel Roof

          a.        A simple two-sided roof above a gable.

13.    Gambrel Roof

          a.        A type of roof containing two sloping planes of different pitch on each side of the ridge. The lower plane has a steeper slope than the                       upper. Contains a gable at each end.

14.     Gutters

          a.        The trough that channels water from the eaves to the downspouts.

15.     Hip

          a.        The inclined external angle formed by the intersection of two sloping roof planes. Runs from the ridge to the eaves.

16.     Hip board

          a.        The board along the line of a hip from the fascia to the ridge of the pitch.

17.     Hip Roof

          a.        A type of roof containing sloping planes on each of four sides. Contains no gables.

18.     Ice and Water

          a.        One or more courses of self-adhering underlayment installed at the eaves of a building to prevent damage from water back-up due to                       an ice dam. Also known as “Eave Flashing”

19.     Mansard Roof

          a.        A type of roof containing two sloping planes of different pitch on each of four sides. The lower plane has a much steeper pitch than                           the upper, often approaching vertical.

20.    Overhang

          a.        That portion of the roof structure that extends beyond the exterior walls of a building.

21.     Ridge

          a.        The uppermost, horizontal external angle formed by the intersection of two sloping roof planes.

22.    Ridge Cap/Shingles

          a.        Shingles used to cover the horizontal external angle formed by the intersection of two sloping roof planes.

23.    Run

          a.        The horizontal distance from the eaves to a point directly under the ridge. One half the span.

24.    Sheathing/Decking

          a.        The surface, installed over the supporting framing members, to which the roofing is applied. The minimum thickness of a wood deck                          is a 15/32” exterior grade plywood

25.     Shed Roof

          a.        A roof containing only one sloping plane. Has no hips, ridges, valleys or gables.

26.     Slope

          a.        The degree of roof incline expressed as the ratio of the rise, in inches, to the run, in inches. For example, roof slope of 4/12 has a 4                            inch rise every 12 inches.

27.     Soffit

           a.        The finished underside of the eaves.

28.     Span

           a.        The horizontal distance from eave to eave.

29.     Square

           a.        A unit of roof measure covering 100 square feet.

30.     Starter Strip

           a.        Asphalt roofing applied at the eave that provides protection by an additional layer of material under the cutouts and joints of the first                        course of shingles.

31.      Step Flashing

           a.        Base flashing application method used where a vertical surface meets a sloping roof plane.

32.     Tear-Off

           a.        To remove an existing roofing system down to the structural deck.

33.     Underlayment

           a.        Asphalt saturated felt or specially engineered synthetic material used beneath roofing to provide additional protection for the deck.

34.     Valley

           a.        The internal angle formed by the intersection of two sloping roof planes.

35.     Valley, Closed-Cut

           a.        A method of valley treatment in which shingles from one side of the valley extend across the valley while shingles from the other                              side are trimmed 2” from the valley centerline. The valley flashing is not exposed.

36.     Valley, Open

           a.        Method of valley construction in which shingles on both sides of the valley are trimmed along a chalk line snapped on each side of                            the valley. Shingles do not extend across the valley. Valley flashing is exposed.

37.      Valley, Woven

           a.        Method of valley construction in which shingles from both sides of the valley extend across the valley and are woven together by                              overlapping alternate courses as they are applied. The valley flashing is not exposed.

38.     Vent

           a.        Any outlet for air that protrudes through the roof deck such as a pipe or stack. Any device installed on the roof, gable or soffit for the                        purpose of ventilating the underside of the roof deck.

39.     Vent Collar

           a.        Pre-formed flange placed over a vent pipe to seal the roof around the vent pipe opening. Also called a vent sleeve.




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