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Which line items on a roofing estimate are worth paying for, and which ones are padding?

Direct Answer

The line items on a roofing estimate worth paying for are the ones that keep water out. That means ice and water shield, ventilation, drip edge and starter strip. Upgraded nails and premium underlayment are where you can save. Every item is padding if the crew installs it badly, so I'd pick the better company and the cheaper shingle.

Mattie Tueller

Mattie Tueller

Owner & General Manager, Master Roofing · Utah License #10694610-5501

Lindon, UT · serving Salt Lake, Utah, Davis, Summit and Wasatch counties

Best Move

Pay for ice and water shield, ventilation, drip edge and starter strip, and save on nails and top-tier underlayment.

Why It Works

Those four protect the edges, valleys and attic, where a Utah roof takes the most water, wind and heat.

Next Step

Ask each roofer to show you these line items on their estimate, by name.

What you need to know about roofing estimate line items

On a Utah roof, pay for the ice and water shield, the ventilation and the edges. Then hire the company that will put them on right.

Mattie Tueller, Master Roofing

Why the roofer matters more than any line item on the estimate

The roofer matters more than any single line item, because good materials still leak when a crew puts them on wrong. You can buy the best products made and still get a leak if the contractor does a bad job.

So before you compare line items, compare who will install them:

  • Are the crews trained by the company, and does someone check their work?
  • Can the estimator explain why each item is on the bid, and why it fits your roof?
  • Will the company be around to stand behind the job?

Every item on an estimate is padding if the company installing it does poor work. The questions to ask before you hire a roofer have their own answer.

The line items worth paying for on a Utah roof

The line items worth paying for are the ones that protect the roof's edges, valleys and attic. These four change how long a roof lasts:

Ice and water shield
A sticky membrane at the lowest edge of the roof and in the valleys, where the most water runs. It seals around every nail. Better grades seal better, and the lower your roof's slope, the more it matters. Utah's code calls for an ice barrier at the eaves where ice dams have backed up water before.
Ventilation
Required by code at a set ratio of vent area to attic space, so it is never an upgrade. It also protects the shingles, which is what attic ventilation has to do with your roof.
Drip edge
Metal at the eaves and rake edges, also required by code. On a roof steeper than 9/12, pay for drip edge bent to your roof's angle. Stock 90-degree metal pulls its nails, sends water sideways and rots the wood along the bottom edge.
Starter strip
The first row under the shingles, made to seal the edges down in wind. It is cheap, about $60 for 120 feet at our cost. Many roofers just flip shingles around instead. GAF covers its shingles to their top rated wind speed only when its starter strip is used at the eaves and rakes.

Where you can save on a roofing estimate without losing years

You can save on the line items that do not change how long the roof lasts. Two stand out:

  • Synthetic underlayment. Premium synthetics are very good and very expensive. A good mid-grade or construction-grade synthetic does the job. Weight is the quickest sign of quality: heavier is usually better.
  • Upgraded nails. Skip them unless the shingle maker requires them. Nail problems come from the crew. The nails are too short to reach into the deck, or the nail gun is set wrong and shoots them through the shingle. Code requires nails long enough to go 3/4 inch into the roof deck, or all the way through a thinner one.

The shingle tier is another place to give ground, as long as a good company installs it. How to get a roof that won't fail without paying the highest price has the full answer.

How to read the line items on your roofing estimate

To read a roofing estimate, go through it in three steps:

  1. Find each item by name. Ice and water shield, ventilation, drip edge, starter strip and underlayment should each have a line.
  2. Ask about anything missing. The questions below cover each one.
  3. Ask what the roofer would cut. A good roofer can tell you where you can save and where you should spend.
Line itemWhat to ask
Ice and water shieldWhere does it go, and what grade is it?
VentilationHow much does my attic need by code, and which vents meet it?
Drip edgeIs it bent to my roof's pitch?
Starter stripIs it real starter strip at the eaves and rakes?
UnderlaymentWhich synthetic is it, and how heavy?

A bid that leaves these out can look cheaper for the wrong reason, which is one way roofing quotes land thousands of dollars apart.

Mattie's Take

As a roofing company owner in Utah, I get asked which upgrades are worth it all the time. If it were my own house and money were tight, I would spend extra on the ice and water shield, 100 percent. That's because it seals the edges and valleys, where the most water runs.

A line item only helps if it goes on right, though. Plenty of roofers buy good products and still install them wrong, because nobody ever trained them on the specs. That's why at Master Roofing, a Utah roofing company, we train our people every month. We check their work, so each product does what it should.

So spend where water and wind hit hardest: ice and water shield, ventilation, drip edge and starter strip. Save on the nails and the fanciest underlayment. A better company with a lower-priced shingle will give you a better roof than the reverse. You end up paying for the parts that keep your house dry.

Before you act on this

This article is general information about Utah roofs, not an assessment of yours. Every roof is different, and no article can tell you what is actually happening on your specific house. Have a licensed roofing contractor look at it in person before you act on anything here.

More questions about roofing estimate line items

Is ice and water shield worth paying more for?

Ice and water shield is worth paying more for, especially on a lower-slope Utah roof. It goes at the lowest edge and in the valleys, where the most water runs, and it seals around every nail. Better grades seal better. If you are on a budget, it is one of the first places to spend.

Is ridge vent an upsell?

Ridge vent is not an upsell when your roof needs it, because ventilation is required by code. The real question is which vent fits your house. Ridge vent works well on long ridges, since it spreads air evenly and sits where little water runs. On other roof shapes, other vents can do the job better.

Do I need custom drip edge?

You need custom drip edge if your roof is steeper than 9/12. Stock drip edge is bent at 90 degrees, and on a steep roof it pulls its nails and sends water sideways along the edge. That water rots the wood at the bottom of the roof. Drip edge bent to your pitch lets the water run straight off.

Are upgraded roofing nails worth it?

Upgraded roofing nails are worth it only when the shingle maker requires them. Most nail problems come from how long the nails are and how the crew sets its nail guns. Code requires nails long enough to go 3/4 inch into the roof deck, or all the way through a thinner one. A good crew also checks its gun pressure.

Related pages

Mattie Tueller

Mattie Tueller

Mattie Tueller is the owner and general manager of Master Roofing in Lindon, Utah. He came up through the trades (flooring, tile, and full renovations under a general contractor who expected everything built right), ran statewide operations as a political director, then spent a year inside a sales-first roofing shop and built Master Roofing as its opposite: in-house crews trained by the owner, a dedicated quality check on every job, ventilation built to code on every bid, and warranties that mean what they say. He serves as an expert witness in roofing litigation.

About Master Roofing. Master Roofing is a licensed Utah roofing contractor (license #10694610-5501) based in Lindon and serving homeowners across Salt Lake, Utah, Davis, Summit and Wasatch counties, including Salt Lake City and the Wasatch Front and Back. Owner Mattie Tueller and the company's in-house crews handle roof inspections, hail and wind damage assessments, insurance claims, roof repair and replacement, asphalt shingle and metal roofing, flat and low-slope roofs, skylights, snow retention, gutters and gutter guards, attic ventilation, and Roof Maxx shingle restoration. GAF Master Elite, Owens Corning Preferred, BBB A+.

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