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What are common mistakes people make when installing new shingles?

David Bitan
Roofing Contractor & Maintenance Professional
David Bitan is a roofing professional, licensed contractor, and the owner and founder of Bumble Roofing based in Southern California. With over 12 years of construction industry experience, David specializes in restoring, repairing, and maintaining residential, commercial, and industrial roofs. With over 60 years of combined experience, Bumble Roofing provides easy, friendly services to structures including residential, commercial, industrial, multi-family, and government buildings along with hospitals, hotels, and churches.

David Bitan

Roofing Contractor & Maintenance Professional

Expert Answer

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Question

Should I put an underlayment underneath my shingles?

David Bitan
Roofing Contractor & Maintenance Professional
David Bitan is a roofing professional, licensed contractor, and the owner and founder of Bumble Roofing based in Southern California. With over 12 years of construction industry experience, David specializes in restoring, repairing, and maintaining residential, commercial, and industrial roofs. With over 60 years of combined experience, Bumble Roofing provides easy, friendly services to structures including residential, commercial, industrial, multi-family, and government buildings along with hospitals, hotels, and churches.

David Bitan

Roofing Contractor & Maintenance Professional

Expert Answer

Underlayments help prevent leaks from getting through your roof, so you should install a layer before you start putting on shingles.

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How do I figure out how many shingles to buy?

David Bitan
Roofing Contractor & Maintenance Professional
David Bitan is a roofing professional, licensed contractor, and the owner and founder of Bumble Roofing based in Southern California. With over 12 years of construction industry experience, David specializes in restoring, repairing, and maintaining residential, commercial, and industrial roofs. With over 60 years of combined experience, Bumble Roofing provides easy, friendly services to structures including residential, commercial, industrial, multi-family, and government buildings along with hospitals, hotels, and churches.

David Bitan

Roofing Contractor & Maintenance Professional

Expert Answer

Calculate the area of each section of your roof by multiplying the length by the width. Then, add the area of each section of roof to find out how many total square feet you need.

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Question

Can I install shingles on a hot day?

David Bitan
Roofing Contractor & Maintenance Professional
David Bitan is a roofing professional, licensed contractor, and the owner and founder of Bumble Roofing based in Southern California. With over 12 years of construction industry experience, David specializes in restoring, repairing, and maintaining residential, commercial, and industrial roofs. With over 60 years of combined experience, Bumble Roofing provides easy, friendly services to structures including residential, commercial, industrial, multi-family, and government buildings along with hospitals, hotels, and churches.

David Bitan

Roofing Contractor & Maintenance Professional

Expert Answer

Don't try to install your shingles or walk on the roof while it's very hot. This can damage the shingles. If the weather is hot, try working only in the morning while it's cooler.

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Question

Does the nail have to go through the plywood when installing shingles?

Mark Spelman
Construction Professional
Mark Spelman is a General Contractor based in Austin, Texas. With over 30 years of construction experience, Mark specializes in constructing interiors, project management, and project estimation. He has been a construction professional since 1987.

Mark Spelman

Construction Professional

Expert Answer

Yes, you want to make sure the nails are long enough to penetrate the wood substrate.

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Question

Will shingles flatten out after a few days?

Mark Spelman
Construction Professional
Mark Spelman is a General Contractor based in Austin, Texas. With over 30 years of construction experience, Mark specializes in constructing interiors, project management, and project estimation. He has been a construction professional since 1987.

Mark Spelman

Construction Professional

Expert Answer

Once the shingles start getting warm and heat up, they will flatten out. This could take many days, but will lay flat eventually.

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Question

When is it too cold to shingle a roof?

Mark Spelman
Construction Professional
Mark Spelman is a General Contractor based in Austin, Texas. With over 30 years of construction experience, Mark specializes in constructing interiors, project management, and project estimation. He has been a construction professional since 1987.

Mark Spelman

Construction Professional

Expert Answer

The winter months are not good for installing shingles. A good time is late spring/early summer.

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Question

Where is the exact spot on the shingle to place the nails?

Mark Spelman
Construction Professional
Mark Spelman is a General Contractor based in Austin, Texas. With over 30 years of construction experience, Mark specializes in constructing interiors, project management, and project estimation. He has been a construction professional since 1987.

Mark Spelman

Construction Professional

Expert Answer

Just about 2 inches above the shingle tabs and not in the tar strip.

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Question

Is there a certain temperature to have a new roof put on?

Mark Spelman
Construction Professional
Mark Spelman is a General Contractor based in Austin, Texas. With over 30 years of construction experience, Mark specializes in constructing interiors, project management, and project estimation. He has been a construction professional since 1987.

Mark Spelman

Construction Professional

Expert Answer

It's good to wait until early summer in colder regions, and year-round in the warmer regions.

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Question

Does the plastic tape on the back of shingle need to be removed?

Mark Spelman
Construction Professional
Mark Spelman is a General Contractor based in Austin, Texas. With over 30 years of construction experience, Mark specializes in constructing interiors, project management, and project estimation. He has been a construction professional since 1987.

Mark Spelman

Construction Professional

Expert Answer

No, you do not have to remove this black strip. The strip will eventually melt away.

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Question

How do I roof over existing shingles?

Mark Spelman
Construction Professional
Mark Spelman is a General Contractor based in Austin, Texas. With over 30 years of construction experience, Mark specializes in constructing interiors, project management, and project estimation. He has been a construction professional since 1987.

Mark Spelman

Construction Professional

Expert Answer

The key to reroofing is that the existing shingles are removed at the tabs only.

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