Metal Roofing Or Asphalt Shingles

It s in compliance with your local building code.

Metal roofing or asphalt shingles.

Asphalt shingles tend to last around 15 to 20 years though heavier laminated versions can last upwards of 50 years. You may decide to install a metal roof over old asphalt shingle roof when. While this is a solid lifespan when comparing metal roofs vs. Hazardous conditions such as ice dams and extreme temperature spikes can cause asphalt shingles to deteriorate over time but a metal roof especially a steel roofing system can handle most weather conditions with ease.

Metal roofs also have a longer lifetime than asphalt shingles. You are using roofing underlayment and vented ridge cap to prevent moisture buildup. You can expect these materials to last for about 50 years. Local building code in some areas you can install over asphalt shingles but some building codes do not allow it.

Most metal roofs come with a 50 year warranty and could last as long as 60 years. You can usually install metal roofing over shingles because most types are lightweight thin and pliable. Your metal roof warranty will be void by installing over asphalt shingles. You will have to replace an asphalt shingle roof three times before you need to replace a metal roof.

Metal roofs are more durable than your typical asphalt shingle rooftop. However there are expensive architectural shingles that cost more than lower cost metals like aluminum. You have to in order to comply with local building codes. Metal roofs generally can run from 120 to 900 per 100 square feet one 10 foot by 10 foot area or a square of material while asphalt shingles will be between 100 and 200 per 100 square.

Metal roofs are highly durable which is the reason they cost more compared to asphalt shingles. Can you add metal roofing over shingles. Although asphalt shingles aren t an uncommon form of roofing installing them will put your home at an immense disadvantage in multiple ways. In most cases metal roofing and installation is more expensive than asphalt.

However to do so you must meet the following requirements. The current roof must be in stable condition with no rot significant dips or severe crowning.