Roof Estimating – Learn How To Estimate Roof Prices

This estimating guide is a continuation of our two-part series for contractors, on how to measure and estimate roofing prices. See part one of this guide to learn .

Calculating Roofing Materials and Estimating Prices

For the purposes of this guide, I will use asphalt shingles as a default material, but the same principles can be applied to metal, slate, etc. Cedar shingles/shake will be slightly different, as the waste factor is higher.

Calculating roofing materials First – you need to know how many sq. ft. or squares of shingles you will need. You should take your total roof square footage and divide it by a 100 – this will give you the number of roof squares. Round the number up to the nearest square. Most shingle roofs will have 5-10% waste factor, and if you use most pieces during the installation, waste can be reduced to as little as 2-3%. If you have valleys / dormers and side-wall flashing, use 15% waste factor. See our roofing square guide, to learn how roofers and builders measure roofs.

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Roofing Materials Prices Increased By 30% Due To High Oil Prices And Massive Tornadoes!

It’s been widely reported and discussed on various roofing forums that manufacturers are drastically raising the prices of their roofing shingles and accessories that go along. Some roofers report getting letters from their suppliers that shingles prices are going up as much as 30%. Keep in mind that in the spring of every year, mos manufacturers raise their prices by 3-8% on average, so this new increase in the cost of roofing materials is something out of the ordinary.

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Roofing Guide for Homeowners – Repair, Materials and Prices

Most homeowners do not start thinking about their roof until it leaks. It’s understandable, but if your roof is already leaking, and you can see it inside your house – it means that it has been slowly leaking for a while, and the damage is probably more extensive than what you see.

We understand that roofing is not the most exciting topic. However, if you have problems with your roof, you will want to know as much as possible about how to fix them quickly and without breaking the bank.

This is just the place for homeowners to learn about roofing!

In this Roofing Guide for Homeowners you will find information on how to prevent and repair leaks, how to choose the longest lasting roofing materials, how much a new roof should cost, how to choose a contractor, and many other related topics. We separated this guide into three sections:

  • Roof Leaks Prevention and Repair
  • Choosing Roofing Materials and Hiring a Contractor
  • Roofing Prices Guide
  • Miscellaneous Roofing Articles for Homeowners

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Metal Roofing Cost or Why are Metal Roofs so "Expensive"?

A metal roof typically cost about three times the amount you would pay to install a 30-year laminated (architectural) asphalt shingles. It is hardly any surprise that a sticker / price shock is a strong deterrent for many people, who would otherwise prefer to install a metal roof.

image of Standing seam metal roof

Frankly, metal roofs are not for everybody. If you have a simple roof with medium pitch, and minimal penetrations, a regular asphalt shingles roof may work just fine for you. However, in some situations, a metal roof may be the only viable option. For example, if your roof has serious ice dam problems, and it’s impossible to improve your attic ventilation / insulation at a reasonable cost, then a metal roof may be your only solution or salvation.

But, enough with the rhetoric, and back to metal roofing costs…

First and foremost, a metal roofing system is far more expensive to manufacture, and its installation requires many specialized accessories, such as end-wall, valley trim and drip edge, and gable flashing. Residential metal roofs are usually made of high grade galvanized steel (G-90 galvanized steel or Galvalume) or rust-proof aluminum, and painted with a premium Kynar 500 paint.

Besides the high cost of metal roofing materials, you also would want to use premium synthetic underlayment instead of roofing felt (this is not a must, but it is highly recommended). The synthetic underlayment costs about 3 times more than a 30 lb. felt. Overall, one square of standing seam materials with all the accessories and underlayment will cost about $400 for a simple gable roof. As you get into cut-up roofs, the cost can be as high as $500-600 per square. On top of that, you need to consider the fact that there are very few qualified installers who will not butcher your roof, and instead, will actually make sure that it is watertight and will last you for the promised lifetime. Continue reading

Metal Roofing Materials Guide

Just 10 years ago, metal roofs were considered something of a rarity, or a farm-type roof, or “only for frigid north”, etc. Now, they can be found everywhere, ranging from unique design modern buildings, to typical residential homes. Today, they represent about 10% of all residential roofs installed. Because of the lifetime nature of metal, you can only expect this number to grow, as these roofs steadily continue to take market-share away from asphalt shingles.

Metal is one of the longest lasting roofing materials. At the same time, it offers unsurpassed beauty and weatherproofing in climates, ranging from tropical south to frigid north. A properly installed, quality metal roof should last a minimum of 50 years, while providing superior weather protection for your home or building.

A metal roof will make your home stand out from the boring identity crisis of houses in a typical residential neighborhood. You can choose from a wide variety of different styles and metals, to get exactly the look you are looking for.

Your choices range from very popular standing seam panels, to metal shingles that resemble natural slate, concrete flat tile and cedar shingles, to stone coated steel roofs that look like Spanish tile, or architectural asphalt shingles, to metal shake that resembles heavy hand-split cedar shake, and everything in between.

image of Residential standing seam metal roof

As far as metal choices, you can have a typical steel roof installed, or if you live along the coast, you can get aluminum. If you feel fancy, get a copper or a zinc roof, and observe the natural weathering of these unique metals. Continue reading