The Steep-Slope Line on a Chesterfield Roof Quote

Chesterfield has a lot of roofs with more pitch than a flat suburban ranch. The two-story colonials and cross-gabled houses in the older subdivisions often run steeper on the front, and a porch or dormer adds a second, shorter slope that a crew has to work from a different angle. When you collect quotes, one line often appears on some of them and not the others: a steep-slope or high-roof charge. Sometimes it is a real cost. Sometimes it is a number chosen without a measurement behind it. This page explains how to tell which one you are looking at before you agree to it.

What pitch means on a Chesterfield roof

Roof pitch is the vertical rise of a roof over a horizontal run of 12 inches, written as a ratio such as 6/12 or 9/12. A low-slope section can be walked with ordinary footwear and a tool belt. As the pitch climbs, crews move from walking the surface to working with fall protection, and they slow down because a dropped bundle or a dropped nail travels farther before it stops. Pitch should be measured, and the measurement should appear on the proposal or on the aerial report the roofer used. If the sheet lists a pitch but no pitch band, ask which bands the company uses and what pitch moves a slope into each one.

The surcharge exists because the work takes longer per square, and the crew needs equipment such as roof brackets, harnesses, and sometimes a second person on the ground to pass bundles up. Those costs are real. The charge should track them, not a percentage pulled from the total and attached to the bottom of the bid.

Where the steep charge gets padded

Three patterns show up often enough to watch for. The first is one flat steep fee applied to the whole house when only one face is steep. A cross-gabled roof might carry a 10/12 front slope, a 6/12 side, and a low-slope porch section. Pricing every square at the top band treats the easy part as if it were the hard part. The second is a steep charge stacked on top of a separate height or ladder charge that covers the same eave work. The third is a line that never appears in the written scope and only shows up on the invoice after the crew has left.

Each of these can happen on a bid that was rushed, without anyone intending harm. That is still a reason to read the line before you sign, because the difference between a measured charge and a guessed one is usually visible on paper if you know where to look.

Two houses on one street

Two houses on the same cul-de-sac can carry very different steep charges even when their footprints look alike. One might have a single 6/12 hip roof with a simple gable over the entry. The other might have a 10/12 front gable over the garage, a dormer cheek with its own valleys, and a rear roof tied into a family room addition. The square count can be close while the labor is not. A bid that prices both houses at the same number is worth questioning, because the same figure cannot describe two different sets of work. Ask the roofer to show which house carries which slope and how each one was measured.

Chesterfield lots also vary in how the house sits on the grade. A ridge that is high above a sloped driveway can change how far a crew has to reach from the ground, and that reach can add its own line. Ask whether the access is counted in the steep charge, in a separate height charge, or in neither.

What a fair steep line looks like

Some steep work is expensive for good reasons. A high front gable with a long eave over a garage, a pitch steep enough that bundles must be hoisted by a second person, or a dormer with valleys that need hand cutting all cost more than the same square footage on a gentle ranch. A fair bid says so and points to the section. A padded bid says steep and leaves the reader to guess which section that means.

The useful test is simple. Take the quote and a pencil, and try to tie each dollar of the steep line to a named slope in the drawing or the aerial report. If you can, the number is probably a measurement. If you cannot, it is a guess with a label on it, and the label is the only part you can see.

What to ask for in writing

• The pitch of each slope, measured or taken from an aerial report, with the source named.
• The steep-slope band the company uses and the pitch that moves a slope into it.
• Which slopes receive the charge, by name: front, rear, side, porch, dormer cheek, or addition roof.
• Whether a height or ladder charge also applies, and if so, which eaves and walls it covers.
• The fall protection method for the steepest section, and whether that method is written into the crew plan.
• Whether the surcharge is a fixed dollar figure or a percentage, and if a percentage, what it is applied to.
• Whether the steep charge changes if a slope turns out to be steeper on the roof than it measured from the ground.

Ask for these answers before you compare totals. Two bids can show the same final number while one hides a steep fee inside a material line and the other shows it plainly. The written answer to each question is what lets you compare them honestly.

How steep work changes the schedule

Steep work also changes the day. Crews usually want to start the steepest slopes when the morning dew has dried off the shingles, and they stop when the surface is wet or when the wind picks up on an exposed ridge. In spring, a hail or rain forecast can push a steep section back by days while the low-slope sections go on as planned. Ask the roofer how a steep face will be handled if the weather turns, since a wet steep surface is both a fall risk and a delay. A written start date, a rain plan, and the pitch breakdown belong in the same document, because the schedule and the price depend on the same measurements.

If you want the pitch breakdown checked against your own house before you choose a roofer, call the Chesterfield Roof Replacement and Repair office at (314) 220-2333 and ask for the slope-by-slope scope in writing.