Allowance Lines in a Roof Quote: A Number That Is Not Yet a Price

Somewhere in a St. Louis roofing quote, often in the materials section, there is a line marked allowance with a dollar figure beside it. It might cover drip edge, a set of pipe boots, a skylight flashing kit, or the cost of replacing decking that nobody has seen yet. The number looks like a price. It is closer to an estimate of what something will cost, for work that has not been chosen or measured yet, and that difference matters once the crew is on the roof.

Cost and estimates

An allowance is a sum the contractor writes into a quote for an item whose exact type, quantity or condition is not known when you sign. Roofers use them for two kinds of work. The first is work that depends on what the tear-off reveals, such as rotted sheathing under old shingles or a soft spot where a valley leaked for years. The second is finish items the homeowner has not picked yet, such as a ridge vent model, a gutter profile or a shingle color. In both cases the contractor is saying that the work will be charged at actual cost, up to a budgeted amount. Read that way, an allowance is an estimate sitting inside a contract, and it deserves the same scrutiny as any other estimate.

The trouble starts when the homeowner reads the allowance as the final figure. A quote that totals to a clean number may have three or four allowances folded into it, and the total feels settled. Each allowance is a place where the bottom line can move. The quote may say nothing about how far it can move, how the difference is measured, or who has to approve it before the work goes ahead.

St. Louis roofs produce this kind of uncertainty more often than some homeowners expect. Ice damming at the eave in a hard winter can soak the sheathing along the lower edge, and freeze and thaw cycles can open small gaps at nail heads and pipe boots that let water reach the deck for seasons before anyone notices. None of that shows from the driveway. The tear-off is the first honest look at the deck, which is why a careful quote treats decking as a line that can change rather than a line that is simply filled in.

Allowances also differ in what they are measured against. Some are priced per unit, so the amount moves with the number of square feet or linear feet that turn up on the roof. Others are lump sums that change only if the scope changes. Before you accept either kind, ask which one it is. The answer tells you whether the number can grow without anyone asking you first, and it tells you what to check when the invoice arrives.

What it costs

Consider a simple case, invented here for illustration. A quote shows a decking line of 1,800 dollars labeled as an allowance, with the full shingle package priced as a fixed item. The tear-off finds that the sheathing on the north slope is soft across a wider area than the roofer expected. At the unit rate written into the contract, the decking work comes to 2,600 dollars. The homeowner now owes 800 dollars more than the number they approved at signing.

Whether that increase needs a written change order depends on the clause that governs allowances, and many homeowners never read that clause. If the contract says the homeowner approves overages in writing, the crew should stop and wait for a signature. If it says the contractor may proceed and bill the actual cost, the homeowner may learn about the extra money only on the final invoice. Neither outcome is hidden in the quote, but both are written in the contract language, and the homeowner has to read it before the tear-off starts.

Finish items carry the same risk in a different form. A quote might allow 400 dollars for downspouts and outlets, which sounds reasonable until the homeowner chooses a heavier gutter profile or a different downspout size, and the line grows. The cost is not a surprise to the contractor, who priced the allowance at a known rate. It is a surprise to the homeowner, who was never shown the rate and so had no way to plan for the change.

Allowances on materials can also hide a substitution. Keys Roofing installs Atlas and Malarkey shingles only, so a quote that carries a shingle allowance should name the product line and the color before the order is placed. An open shingle allowance can be spent on a product you did not compare against the others, and the difference in price may not look large on the line itself. Ask for the product name in the quote, and ask for a sample of the color before the material is ordered.

A useful habit is to total the allowances separately from the fixed prices. Write the allowance figures on one sheet of paper and the fixed figures on another. Then ask what the allowance total could reach if every line hit its unit rate or its cap. That number is the realistic top of the quote, and it is often a different figure from the one printed at the bottom of the proposal.

What to ask

Before you sign, go through the allowances one at a time. These questions pull the specific facts out of the quote so you are not relying on the total.

• Which lines in this quote are allowances, and which are fixed prices?
• For each allowance, is it priced per unit, per linear foot, or as a lump sum?
• What is the unit rate, written out, so I can work out the cost if the quantity grows?
• Does the contract require my written approval before any allowance is exceeded?
• Who measures the actual quantity, and will I see those measurements before I am billed?
• For shingles, which product and color will the allowance buy, and can I see a sample?
• If an allowance is not used in full, does the unused amount come back to me?

Ask for the answers in writing and keep the sheet with the signed contract. An allowance that is written down with its rate, its cap and its approval step is an estimate you can check against the work. An allowance that appears only as a figure inside a total is a price you will learn about later, usually when the invoice arrives.

If the answers are vague or the contract does not address overages at all, call the Keys Roofing office at (314) 220-2333 and ask for the terms before you sign. It is much easier to fix an unclear allowance on the day of the quote than in the middle of the tear-off, when the crew is waiting and the decking is already open.