Fairway Roofing & Painting Inc.
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Roofing Glossary

Adheree

2 surfaces are held together by adhesion or typically with hot asphalt or roofing cements in built-up roofing.

 

Aging

The effect of which weather causes roof materials exposed in an environment for period of time.

 

Application Rate

The quantity of mass, volume or thickness of materials applied per unit area.

 

Asbestos

A group of natural, fibrous, impure silicate materials used to reinforce some roofing products. In all commercial re-roofing jobs, Florida requires an asbestos report insuring there is not asbestos in the roofing material. If there is special pre-cautions have to be made to remove the roofing material.

 

Asphalt (Extremely Dangerous when heated in a tar kettle)

A dark black round stick that is used in hot tar roofs such as flat roofs. Also used in installing cap sheet on Tile Roofs. This substance has to be heated approx. 450-500 degrees to use in a proper installation of roof materials. Asphalt is used in most all of roofing components in one form or the other.

 

Asphalt Felt Commonly know as ASTM Felt Paper (Black Paper on Roofs)

A ply saturated in asphalt-coating.

 

ASTM

American Society for Testing and Materials

 

Back-Nailing

Referred to as Blind-Nailing. The nailing the back portion of a roofing ply which normally is not exposed to any weather. For instance all cap sheets on Tile roof have to be back nailed to past inspection.

 

Base Ply or Sheet

The lowermost ply of the 1st layer of roofing membrane installed on your roof.

 

Batten

A wood strip that holds tile or metal roof panels on your roof. Some installations require battens and some don’t.

 

Bitumen

A class of amorphous, black or dark colored cementitious sub-stances, natural or manufactured, composed principally of high molecular weight hydrocarbons, soluble in carbon disulfide, and found in petroleum asphalts, coal tars and pitches, wood tars and asphalts.

 

Blister

A pocket of air and or water, trapped between layers of roofing membrane.

 

Bond

The adhesive that hold’s 2 roofing membranes together.

 

Boot’s (Roofers slang for a pipe covering)

The flashing which is normally made out of lead to cover roof penetrations such as a pipe flashing.

 

Building Code

The Building laws are made up by each state and or county. All state licensed contractors have to follow these rules to install, repair or replace any building procedure in or on your home or commercial property.

 

Built-Up Roof Membrane (BUR)

A continuous, semi-flexible multi-ply roof membrane, consisting of plies or layers of saturated felts, coated felts, fabrics, or mats between which alternate layers of bitumen are applied. All built-up roof systems consist of normally at least 3 layer systems which included insulation of a flat roof.

 

Cant Strip

A triangular-shaped strip of wood fiber that is placed normally on any flat roof with walls or parapet walls to ensure the fold up the wall so the membrane does not crease.

Cap Sheet

A granule-surface coated sheet used as the top ply of some built-up or modified bitumen roof membranes and/or flashing.

A 90lb cap sheet which is installed after the 30lb ASTM Felt paper for tile roofs.

 

Caulk or Caulking

A sealant material used for filling or sealing joints.

 

Cleat

A metal strip or metal angle piece used to secure two or more components together.

Cold Process Built-Up Roof

A roof which contains normally sbs modified or cap sheet that is installed with cold tar and not hot tar. These roofs are not as dependable as a hot tar roof system.

 

Coping

A piece of metal installed on the top of the wall or a parapet wall. It covers the top of the area where it is exposed to weather 24/7.

Counter flashing

A piece of metal secured on or into a wall to cover and protect the upper edge of the top roofing membrane where it is exposed to weather 24/7. Normally this piece of metal is screwed or tap cons are used to hold this piece of metal with caulking to cover all holes.

 

Course

The 1st row of shingles or tiles installed on your roof. The 1st course is always installed on the edge of your roof.

 

Cricket

This term is normally used in flat roofing. It’s an area built up to divert water away from a certain area on your roof. You can have crickets on shingle or tile roof also.

 

Curb

A metal bracket to support roof penetrations, such as skylights, air conditioners or other mechanical equipment on your roof. It raises the piece of equipment off your roof normally at least 4 inches.

 

Downspout

A gutter or scupper which carries the water from your roof to the ground.

 

Drip edge

A piece of metal that is normally 2 or 3 inches wide that covers all bottom layers of your roof before installing the final membrane on your roof. It also covers part the fascia board to divert water away from the wood.

 

Eaves

The horizontal lower edge of a sloped roof.

 

 

Elastomeric Roof Paint

Elastic or rubber like paint to be used on your roof to help reduce the temperature of your roof. When using this paint on a tile or flat roof, it normally cuts your electric bill up to 33%.

 

EPDM

This roof system is a black thick rubber membrane. Use on mainly commercial roofs

 

Fascia

This is the wood that is on the outside of your roof eaves or the edge of a roof. All homes normally have fascia.

 

Felt

This is the roofers slang word for felt paper. This is the 1st ply that is installed on your roof.

 

Flashing

Seals the edges of the membrane at walls, expansion joints, drains, gravel stops and other areas where the membrane is interrupted or terminated. 

 

Flashing Cement (Bull or roof cement)

This black thick cement is used to seal most roof penetrations. It does not come out of your clothes. You can use this to seal cracks and used in repairing of leaks

 

Flat Roof

A roof with 1/8 inch or less structural slope except from deflection.

 

Flood Coat

The top layer of hot tar normally to seal flat roofs or roofers will use this to method to try and extend the life of your roof for approx. 1 more year but its not guaranteed.

 

Gable

Upper portion of a sidewall that comes to a triangular point at the ridge of a sloping roof.

 

Glass Fiber Felt

This ply is normally used on flat roof. It does have a little fiberglass which will make you itch if you come in contact with it.

 

Gravel

The layer of gravel rock that is normally spread in hot tar for the top layer of flat roof. This procedure is normally not done anymore. Most roofers use a cap sheet now.

 

Gravel Stop

Flanged piece of metal designed to prevent loose gravel from washing off the roof and to provide a finished edge detail for the built-up roofing assembly.

 

Gutter

The metal channels water from the eaves to the downspouts.

 

Heat Welding

Is the process of welding 2 TPO layers together. TPO is the white roof membrane you sell on normally commercial roofs.

 

Hip

Inclined external angle formed by the intersection of two sloping roof planes.

 

Insulation

Normally referred to the layers of wood fiberboard or ISO Board in flat roof system. It can help curve the water pattern on your roof or it can help modify the heat exposure of your roof.

 

Lap

The roofing membrane that overlaps each end piece together. In Florida you have to have minimum 4” lap on any roof ply’s installed.

 

Membrane

Normally referred to the 4” or 6” piece of woven water tight fabric. To ensure watery protection like on skylights, valley metal or any roof

 

 

Mineral-Surfaced Roofing

This term is normally used in referring to the cap sheet. Built-up roofing materials whose top ply consists of a granule-surface sheet.

 

Mopping

A very large wood handle with a large white mop attached to it to apply hot tar to the roof installations of any flat roof or used for installing cap sheet on a tile roof.

 

Nailer

Wood member installed normally on top of parapet wall or anchored to a deck or wall to provide nailing capability.

 

NRCA

"National Roofing Contractors Association".

 

Open Valley

The path between shingles in the valley area trimmed in the middle of the valley to expose the underlying flashing.

 

Overlay

Applying new roofing over materials over existing roofing material. This is not a good roofing procedure.

Parapet Wall

The part of any wall above the roof deck.

 

Penetration

Any hole which is cut in to your roof deck.

 

Perlite

Is an insulation board normally used to build up roof layers or help resist the heat temperature of your roof.

 

Pitch Pocket

Normally referred to a square piece of metal around your air conditioner stand legs or TV cable antenna to stabilize the unit more secure. It is normally filled with roof cement.

 

Ponding

A puddle of water that is not draining correctly on your roof.

 

Recover

Installing new roofing materials over the old roof materials. This is not a good way to have your new roof installed.

 

Reglet

A groove in a wall to hold metal flashing in place.

 

Ridge

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

 

SBS (normally referred to Modified cap sheet)

This is the top layer made out of granular substance which is used as the cap sheet to cover your flat roof.

 

Scupper

This is an opening cut out along the your roof deck on the parapet wall to drain water from your roof.

Shingle (or shingles)

Shingle is normally referred to covering you shingled roof. Shingles are the roof covering that is made out of asphalt and gravel which can be referred to as 3- Tab or Dimensional.

 

Termination

The method of attaching the edges of the membrane in a roofing system normally to a wall.

 

Vent

An opening to let out air, gas or water vapor from your roof. Normally referred to Whirly birds, goose necks, electric roof fans or ridge vent.

 

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