Commitment To

Cosmos Roofing
Call 650.969.7663
or email at:

1901 Old Middlefield Way, Suite 4
Mountain View, CA 94043
License #785441


Serving Santa Clara
& San Mateo Counties

Cosmos Roofing will perform FREE roof evaluation/inspection with a no obligation estimate for needed roof repairs or replacement. Please fill out the enclosed form and one of the company owners will contact you ASAP to schedule an ON - SITE roof evaluation.
Cosmos Roofing Free Estimate/Contact
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 Flat/Low Pitched
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Los Altos Roof Contractors

Metal roofing is today one of the most popular roofing systems available in the market. Metal roofing is available as large sheets, individual shingles and even panels that look just like clay tiles, slate, wood, tile or asphalt shingles.

Los Altos roof contractors states that metal roofs are used not only in residential establishments, but also in buildings and establishments like the Wembley stadium. It is the material’s high strength to weight ratio that generates such an interest and demand for metal roofing.

This roofing system consists of metal tiles or pieces, and is very popular because metal is fire resistant, flexible and lightweight. Moreover, people who place emphasis on saving the environment prefer using metal roofing as it can be recycled and last for about 50 – 75 years.

Los Altos roof contractors state that metal roofs are usually coated with zinc and aluminum alloy to prevent its oxidation. Metal roofing is loved by designers and architects as they are versatile and can be shaped into copper cupolas, large sprung curves and rolled bull nose shapes to compliment any architectural design.

How to extend its lifespan

Though there are so many advantages to using a metal roof, according to Los Altos roofers, it does have its share of disadvantages. The greatest disadvantage is that it requires lots of care, especially the larger roofs. You have to ensure the metal roofs are well maintained so that there is no chance of any rust formation. Then, there is the noise that some weather changes can produce on metal roofs.

Moreover, the wrong mixing and matching of materials in creating a metal roof can increase its rate of corrosion. This is why it is important that you ensure the materials you plan to use for a metal roof are compatible to one another.

To extend the lifespan of metal roofs, Los Altos roof

To extend the lifespan of metal roofs, Los Altos roof contractors suggest recoating the metal roofing materials on a regular basis. Regarding coatings, the best options you have are polymeric or asphalt coatings.

Metal roofing costs

The cost of metal roofs is based on the metal used, which may be stainless steel, aluminum, copper or lead. On an average, interlocking steel shingles cost less than the corrosion-resistant coated steel sheets.

Interlocking aluminum shingles are however cheaper roofing option when compared to copper roofing. Los Altos states that though copper roofing is the most expensive metal roofing of the lot, it is well worth it as it definitely looks the best.


Cosmos Roofing
License #785441
1901 Old Middlefield Way, Suite 4, Mountain View, CA 94043
Office 650.969.7663
Fax 650.584.3078
Email at
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