SoCal Green Roofing Of Los Angeles
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License# 1057764

Can A Metal Roof Be Installed Over Shingles In Altadena?

If you’re planning to build a new home or replacing your current shingles with steel there are some aspects you should know before installing it. It is important to know the advantages of using metal, as well as the safety and cost considerations. It is good to know that there are plenty of resources to aid you in finding the answers you’re looking for.

An new Roof Installation in Altadena can be hectic and critical. You’ll need a professional order to get a perfect new Roof Installation in Altadena! SoCal Green will provide you with your roofing maintenance and installation needs.


Metal roofing is durable, long-lasting and impact-resistant. It’s also energy efficient. In contrast to asphalt shingles, metal roofing does not corrode or degrade. It is also fire-resistant and will not ignite to flaming when struck by lightning strike. It’s light, making it easy for installers to work with.

While shingles can be less expensive but they need more care. Compared to metal roofs, shingle roofing need to be replaced every 10 to 20 years. However, there are many factors that can ensure that the metal roof last longer.

Depending on the gauge of the metal and the thickness of the metal, the lifespan of a roof made of metal can be anywhere between 40 and 70 years. When installing a new roof it is important to select the appropriate materials. Some metals rust in certain climates, and other metals can be damaged easily by hail storms.

When replacing a roof it is essential to hire professionals for roofing to ensure safety. This is particularly true in areas where shingles are susceptible to being damaged. If the glue used to attach the shingles is damaged, the shingles could fall off.


Whether you are considering the installation of a metal roof for your property or replacing your old shingle roof, it is important that you should understand how the two compare in cost, durability, and maintenance. Both materials will last for a long time, and your decision on which one to pick will depend on your needs and budget.

A shingle roof is typically less expensive than a metal roof. It can cost as low as half of what it would cost to set up a metal roof. But shingles do have the disadvantage of being susceptible to damage in extreme weather conditions. They also are a shabby looking material, and require frequent repair.

Metal roofing is more durable than shingles and lasts for years. It’s also more energy efficient, which will reduce your heating and cooling costs. A well maintained metal roof can be worth over 80% of its initial cost. It may help you save on water bills.

Underlayment is not required

If you require an underlayment to protect your metal roof over shingles depends on your roof’s design and shape. It’s also contingent upon the building codes in your area.

An underlayment is a sheet of material that is atop of the shingles to protect the roof from water damage and also acts as a sound-proofing barrier. It is typically made from felt paper, but synthetic underlayments are also available. They provide greater durability and longer lifespan.

It’s crucial to ensure that your new metal roofing is correctly installed. Depending on the specific building codes in your area, you could need to take off your previous roofing before installing your new one. This could be expensive and lengthy.

You should also check your roof’s rafters and joists to ensure that they’re in good condition. If they are rotting they could cause stress on your roof’s weakened structure. This can lead to the trusses breaking. It’s best to have your roof inspected before you install your new metal roof.

Safety precautions

Whether you are building a metal roofing over asphalt shingles or shingles there are some safety precautions to follow. These steps will ensure that both you and your workers remain protected.

The first step in preparing for the installation of a metal roof is to check the roof. This will enable you to detect any structural problems that might exist. If you spot any problems or issues, you can engage an expert roofing contractor to fix the issue.

When installing the system during the installation process, you’ll need to use security equipment. This will include a harness and ropes. Also, make sure that the ladder you are using is OSHA approved. If it’s not, it’s best to get a new ladder that is. You can also avoid working near electric lines.

In the process of installing, you should be patient. A slick metal roof can be dangerous. It is especially hazardous because you’re more likely to slip. To avoid slips make sure you take your time and walk slowly. It is also recommended to wear rubber sole shoes. These shoes are more tolerant to pressure and will assist you walk more easily.

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