Metal Roofing Or Asphalt Shingles

Local building code in some areas you can install over asphalt shingles but some building codes do not allow it.

Metal roofing or asphalt shingles.

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. In most cases metal roofing and installation is more expensive than asphalt. While this is a solid lifespan when comparing metal roofs vs. Metal roofs are highly durable which is the reason they cost more compared to asphalt shingles.

However there are expensive architectural shingles that cost more than lower cost metals like aluminum. Metal roofs also have a longer lifetime than asphalt shingles. You have to in order to comply with local building codes. You can expect these materials to last for about 50 years.

It s in compliance with your local building code. However to do so you must meet the following requirements. Asphalt shingles on the other hand come with warranties ranging from 20 to 25 years and they are more susceptible to high wind and hail damage. You are using roofing underlayment and vented ridge cap to prevent moisture buildup.

Most metal roofs come with a 50 year warranty and could last as long as 60 years. You will have to replace an asphalt shingle roof three times before you need to replace a metal roof. Your metal roof warranty will be void by installing over 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. Although asphalt shingles aren t an uncommon form of roofing installing them will put your home at an immense disadvantage in multiple ways. The current roof must be in stable condition with no rot significant dips or severe crowning. You can usually install metal roofing over shingles because most types are lightweight thin and pliable.

Can you add metal roofing over shingles. Metal roofing can be installed directly on top of asphalt shingles.