Important Things You Need to Know About Slate Roofing

Slate roofing offers many advantages over other standard roofing systems: long life span, impact resistance and exceptional curb appeal, among others. However, replacing your old roof isn’t as simple as tearing down the old one and installing a slate roof over it. In today’s post, local roofer Wortham Bros shares things you need to know about slate roof replacement. 

Slate Is Heavier Than Asphalt Shingles

Weight is an important consideration when transitioning from one roof to another. While modern roofs are built with support structures designed for heavy loads, it may not be the case with older roofs. Installing significantly heavier roofing materials like slate on such roofs could lead to collapse. An insufficient roofing structure may have to be bolstered or rebuilt to support your new slate roof, which can result in a small increase in your roof replacement costs.

There Are Many Types of Slate

Natural slate is quarried from various sources around the world, which is why it comes in various colors and levels of durability. Purple slate, green slate and perhaps the most familiar one, the grayish-black Buckingham slate, are great for roofing and can last over 100 years. Other types of slate can also be used, but have shorter expected life spans of between 75 to 90 years.

Flashing and Other Metal Parts Need to be the Same Type of Metal

Slate can outlast your roof’s metal parts. This is why it’s important to choose the most durable types of metal for flashing and similar parts. Copper is one of the best options for this purpose thanks to its durability and resistance to corrosion.

Your roofing contractor should take care not to mix and match different metals to avoid galvanic corrosion, which happens when two different types of metal come in contact with each other in the presence of an electrolyte, such as water. This can be avoided by using the same type of metal across the entire installation, from flashing to roofing nails.

Wortham Bros is one of the leading roofing companies serving Dallas and McKinney, as well as the surrounding communities. Give us a call at (972) 960-3135 or (972) 960-3135. You can also fill out our contact form to schedule an appointment.

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