Table of Contents
Understanding the Components of a Metal Roof Metal Panels. The biggest (and most obvious) part of a metal roof are the actual metal panels themselves. Fasteners & Clips. Fasteners can either be hidden/concealed or exposed when it comes to a metal roof. Underlayment. Sealant. Trim. Closures.
What is the metal trim around a roof called?
Eave trim is the metal flashing that covers the low side of the building. Simply put, it’s installed on the side of the building that follows the pitch of the roof. Eave trim is used when a gutter is not required. The bottom leg of the eave trim has a kick out that is designed to keep water away from the wall.
What are metal roof panels called?
Galvanized and Galvalume are the most popular metal roofing substrates. Galvanized is coated with a zinc alloy, and Galvalume is coated with an alloy of zinc plus aluminum. For most metal roofing applications, Galvalume substrates deliver the best long-term solution.
What is metal roof attached to?
CLIPS – Clips are used to attach the metal roof panels to the deck. Clips are put on the standing seam portion of the bottom panel, which is then attached to the roof deck by fasteners.
What are the names of roof parts?
The Architectural Parts of a Pitched Roof Roof plane: This is the surface of the roof. Ridge: This is the top or peak of the roof, where two roof planes meet. Valley: This is where two pitched roof faces connect and project inward. Dormer: This is a roof feature that projects out from the roof face.
What is the difference between a tin roof and a metal roof?
The term “tin roofing” is used interchangeably with metal roofing, steel roofing, or galvanized steel. In fact, tin is actually a rarely used type of metal for roofing. Tin itself is an element, like Copper or Zinc.
Is Galvalume a good roofing material?
In a nutshell, Galvalume is a proven metal roofing material because of its strength, outdoor corrosion resistance and longevity.
What are the different kinds of metal roofing?
Here are the most common types of metal roofing on the market: Aluminum Roofs. Copper Roofing. Corrugated Metal Roof. Metal Tile Roofs. Metal Slate Roofs. Standing Seam Metal Roofs. Steel Roofs. Tin Roofing.
Where do you put the screws on a metal roof?
And most U.S. metal roofing manufacturers say that you should put screws into the flat, because this location offers a solid wood surface just beneath the metal panel, resulting in a safer, tighter, more secure seal.
Is a drip edge necessary on a metal roof?
A drip edge is not needed for metal roofing. If the metal roof is hanging over an inch, the water will be directed away from the fascia anyway if at a slant. However, it is highly recommended to install a drip edge to save from water damage later on.
What is rake trim on metal roof?
Also known as rake trim, gable trim is a finishing piece of metal flashing used along the edges of a metal roof line where the edge of the metal roof panel meets the endwall panels.
How much overhang should there be on a metal roof?
A typical metal roof overhang may be 2 to 4 inches, or even less. Some slight overhang is recommended, in conjunction with a drip edge flashing, to prevent water from getting under the roofing and onto underlying wood.
What is the top part of the roof called?
Roof Ridge: The roof ridge, or ridge of a roof is the horizontal line running the length of the roof where the two roof planes meet. This intersection creates the highest point on a roof, sometimes referred to as the peak.
What are the three main components that make up a roof?
Structural Layers of the Roof It incorporates joists, trusses, and rafters. Together, these three types of beams make up a framework that gives the roof its shape.
What is a roof soffit?
The soffit is part of the overhang where your roof meets your siding. When rain or snow hits your roof, it runs down, and the overhang allows the water to flow away from your house. The soffit is underneath the overhang, between the roof’s edge and side of your home—the bottom of the triangle, if you will.
Is Galvalume better than aluminum?
In addition to being far more economical, Galvalume is also stronger than aluminum. By nature, aluminum is a softer material and as a result, simply can’t perform to the extreme wind speeds and uplift values that mother nature continues to throw at projects along the coast.
How long does Galvalume last?
Research conducted by the Metal Construction Association (MCA) indicates that Galvalume roofing could last as long as 50 to 60+ years without any extreme signs of corrosion.
What are the problems with metal roofs?
4 Common Metal Roof Problems Corrosion. When you have a galvalume or galvanized steel metal roof, you run the risk of rust and corrosion. Failing Fastener. Fasteners and clips that hold your standing seam metal roof down are critical. Scratches and Punctures. Fading Paint.
What is the difference between Galvanised and Galvalume?
Galvanized steel is made completely of zinc, while galvalume includes aluminum, zinc, and a small amount of silicon. This provides superior durability and resistance to corrosion in comparison to galvanized coating.
Does Galvalume come in colors?
Galvalume® has a highly reflective, silver spangled color which weathers in unique patterns over the life of the roof for a rustic, natural appearance. * Galvalume® is the successor to the Galvanized coating that has been in use since the 1800’s.
