Is It OK To Put A New Roof Over An Old One?

Should old roof be removed?

If any areas of the roof have become severely damaged, it’s usually better to remove the old shingles and start from scratch.

If you’re going to add a roof on top of an old one, it’s a good idea to remove any loose shingles and apply a new layer of 30-pound roofing felt before laying the new shingles..

How much should I pay a roofer per square?

The average residential roof needs between 22 and 34 squares to be replaced. First, roofers charge labor for removing your old roof. A one-story roof with a single shingle layer costs between $100 and $150 per square to remove; a double layer, $115 to $165; and triple layer, $125 to $175.

How can you tell how old a roof is?

You can often determine a roof’s age by the granules left on top of its asphalt shingles. A shingle’s granules protect the waterproofing asphalt from the sun’s UV rays. As shingles age, the asphalt dries out. This causes shingles to lose granules.

Do gutters have to be removed when replacing a roof?

Because of the nature of what the gutters do, it’s important to remove and possibly replace them when going through with a roof replacement project. … Not only does the removal of the gutter system help to ensure that the roof is installed properly, but it also provides a way to change the gutter system if necessary.

How much does a new roof cost per square?

Shingle Roof: $2.50 to $11 per Square Foot It depends on the size of the roof and the materials you use. A shingle roof is usually more economical, with costs ranging from an estimated $2.50 per square foot for asphalt shingles to around $11 per square foot for cedar shingles.

Can you replace only half a roof?

When half or more of your roof is damaged, it can be tempting to just replace the damaged half to save yourself money and time. However, most professional roofing contractors do not recommend replacing only half of your roof.

How much does a roof overlay cost?

On average, it costs from $1.20-$4 per square foot to tear off and replace a roof with asphalt shingles. For a 1,700-2,100 square foot ranch-style property, that costs about $1,700-$8,400. However, roof replacement costs increase when you use higher-end roofing materials.

What to do if you can’t afford a new roof?

What Can I Do If I Can’t Afford a New Roof?Options to Consider.Finance Repair Costs. If you can’t afford repairs on your roof, there are several financing options available to help you. … Apply for a Grant. … Reach out to Your Network. … Refinance Your Home. … Save the Money. … The Roof Doctor is an Affordable Option.

How much should a roof cost?

Building a brand-new roof on a home costs $10,000 to $20,000 or more, depending on the products you use. This installation involves the cost of new framing and trusses, underlayment and shingles, and supplies and labor. Metal framing costs more than wood.

What time of year is best to replace a roof?

Best Time: Spring or Summer or Fall?Spring. Many homeowners start experiencing roof problems during the spring. … Summer. Many homeowners also get roof repairs or replacements done between summer to fall. … Fall. The autumn season is probably the best time to get a new roof. … Related Articles.

Why is roofing so expensive?

Tile and Asphalt are the most used materials for roofing, and they’re manufactured with the usage of concrete, clay or oil. The rise of oil prices can directly impacted asphalt shingles to become more costly. Furthermore, the cost of disposing old and damaged materials has also increased in the recent years.

How much do roofers charge per hour?

Rates per state Meanwhile, residents of New South Wales can expect to shoulder higher prices to get their roofs fixed; the average cost of roof repair in the state sits at approximately $55/hr.

Is it OK to put a new roof on in the winter?

The short answer is ‘yes’, but to understand that let’s look at the two main reasons why most roofing companies and roofing customers don’t consider winter the best time to install an asphalt shingle roof. … The sealant on shingles installed in cold weather may not activate right away; it may not activate until spring.

Can you put a roof over an existing roof?

The answer is yes, you can lay new roof shingles over old ones. … You can’t do it with wood or slate, for example, and you should never mix materials, such as laying asphalt shingles over cedar shakes. Also, the old roofing has to be in pretty good condition.

How long does a roof overlay last?

around 16 yearsOn average, an overlay lasts around 16 years. That said, for most shingles, the warranty is valid for the same length of time whether the shingles were used in an overlay or a tearoff.

What is a roof overlay?

An overlay roof, or the act of overlaying a roof, is when your roofer puts a second set of shingles directly on top of your existing roof. While this isn’t the most common method of roofing, it does happen, especially when homeowners are hoping to save a bit of money on their overall roofing costs.

How long does a reroof last?

Roofs. Slate, copper and tile roofs can last more than 50 years. Homeowners with wood shake roofs should expect them to last about 30 years, while fiber cement shingles last about 25 years and asphalt shingle/composition roofs last about 20 years, the NAHB found.

How often should a shingle roof be replaced?

Asphalt Shingles: 15-30 years. Wood Shingles: 20-25 years. Rubber Roofs: 30-50 years. Metal Roofs: 50-75 years.