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What Does a Full Roof Installation Actually Include?
Seven layers, in order, from the deck up. The shingle is the last one and the only one you can see. The city-level code and permit detail lives on our roofers in Worcester page. This page is about what goes on the roof and how.
Ultimate design wind speed for Worcester, Table 301.2(2), Massachusetts Residential Code, Tenth Edition
Ice barrier reach from the eave edge required on any slope of 8:12 or steeper, section R905.1.2
Share of Worcester housing built before 1960, City of Worcester Housing Needs Assessment
Priced as separate lines on your written estimate, so two quotes can be compared
Full tear-off to bare deck
Every layer comes off, down to the wood. Going over an old roof hides rot, adds weight the framing was never sized to carry, and voids most material warranties. We handle the permit, the dumpster and the disposal.
Decking walked, priced per sheet
With the roof stripped we walk every sheet. Soft or rotted plywood gets photographed, shown to you, and replaced at the rate already written into your estimate. On pre-1960 stock this is the normal case, so it belongs in the number before the tear-off.
GAF WeatherWatch ice and water leak barrier
Self-sealing membrane bonded straight to the deck at the eaves, up the valleys, and around every pipe and chimney. We run it past the code floor and write the run length in feet on the estimate, where you can hold it against the other bids.
GAF FeltBuster synthetic underlayment
Across the rest of the deck. Lighter than felt paper and much harder to tear while a crew is loading and walking the roof. Felt that rips mid-install becomes a water path nobody ever sees again.
GAF Pro-Start starter, new drip edge, new flashing
Factory starter locks the first course at eaves and rakes, which is where 117 mph wind starts lifting a roof. New metal drip edge. New flashing at every chimney, sidewall and skylight. New pipe boots, because reused boots crack.
GAF Cobra ridge vent, with intake verified first
Ridge exhaust paired with soffit intake we have actually looked at. A ridge vent with nothing feeding it is decoration. A cold dry deck is the long-term answer to ice dams and it stops shingles cooking from underneath in July.
GAF Timberline HDZ shingles and Seal-A-Ridge caps
Installed to manufacturer spec: correct nail count, correct nail line, correct exposure. Finished with Seal-A-Ridge cap. Spec compliance is what keeps the material warranty intact, and we register that warranty in your name rather than leaving it to you.
The number nobody quotes
Why 117 mph Changes How the Roof Goes On
Worcester is listed at a 117 mph ultimate design wind speed in Table 301.2(2) of the Massachusetts Residential Code, Tenth Edition, in the same row as its 50 psf ground snow load. Snow is the load everybody talks about. Wind is the one that decides fastening.
A high wind rating on a shingle is conditional. It assumes a specified nail count, nails landing inside the reinforced nailing strip, and the exposure the manufacturer published. Miss any of the three and the rating does not travel with the product onto your roof.
Three ways it goes wrong, all of them invisible once the next course covers them. Nails driven high miss the reinforced strip and hold on asphalt alone. Nails overdriven or driven at an angle cut through the mat. Too few nails per shingle leaves the field of the roof relying on the sealant strip, which is exactly what lets go first in a gust.
The starter course is the other half of it. Wind lifts a roof at the perimeter, so factory starter strip at both eaves and rakes, with new drip edge under it, is where the fastening plan either holds or does not. Cutting starter from three-tab shingles costs the installer less, and it is one of the lines that quietly disappears from a low quote.
The shingle is what you see, but the deck, underlayment, flashing, ventilation, drip edge, pipe boots, nails, and cleanup are what make the job last.
The eave
Where the Ice Barrier Stops, and Where It Should
Section R905.1.2 sets two figures, and most quotes only price the first one.
The base requirement
From the eave edge to a point not less than 24 inches inside the exterior wall line of the house. This is the figure meant by the phrase “per code” on a quote, and it is a floor rather than a target.
The steep-roof requirement
On any slope of 8:12 or greater, the barrier also has to run not less than 36 inches measured from the eave edge. Worcester is full of steep roofs, and this line is missing from every competing page we audited.
What we write down
The run in feet, on the estimate, per roof plane. Ask every bidder for the same thing. A number in feet is comparable. The phrase “per code” is not.
The reason the floor is often not enough sits inside the house. Ice backs up from the gutter line inward, and how far in it reaches depends on how much heat is leaking into the roof deck. On an older Worcester house with thin or displaced attic insulation, the warm zone regularly runs past 24 inches inside the wall line. The barrier stops. The water does not.
Valleys, chimneys, sidewalls and every pipe get the membrane too. The eaves are only where it starts. Valleys carry the most water of any part of the roof and they are the second place we find old work cut short.
Older stock
What 60 Years of Winters Does to a Roof Deck
The City of Worcester Housing Needs Assessment puts 59% of the city’s housing stock in place before 1960, with only 7.7% built in the last 20 years. That single figure is the reason a Worcester tear-off carries more unknowns than a suburban one.
Three consequences, in the order you meet them. The framing and sheathing predate the current load table, so anything that looks undersized is a conversation to have while the deck is open rather than after the shingles are on. Attic intake on a house that age has usually been buried under blown-in insulation or painted shut during a siding job two owners ago. And the decking itself has had 60 winters of freeze and thaw to take on water at the edges, where nobody looks.
Manny’s field note on what actually turns up, in his words: the common problems are bad flashing, poor ventilation, reused pipe boots, bad nail placement, no proper ice-and-water barrier, and rotted decking that nobody talks about until the old roof comes off.
That is why the per-sheet decking rate is a line in the estimate rather than a contingency. A discovery on day one should not become a renegotiation on day two. If you want the roof looked at before you commit to anything, start with a documented photo inspection and keep the photos whether you hire us or not.
Install week
How the Job Runs, Day by Day
Most standard roof replacements run one to two days once material is on site and the weather holds. Weather moves schedules and we will not pretend otherwise, so you get the plan and the updates instead of a promise on a date.
Before the crew arrives you will know when material is landing, where the dumpster sits, and what to clear. Take pictures and mirrors off the interior walls under the roof. Move cars off the driveway. Plan for pets to be somewhere else, because roofing is loud and there is no version of it that is not.
The inspection sequence is the part worth understanding. The deck inspection happens while the sheathing is still open, before any underlayment or shingle covers it. That is the only inspection that can see the wood, and it is the reason a crew cannot dry the roof in and move on. The final inspection closes the permit out afterwards. Powersol pulls the permit and meets both inspectors, so you are not filing anything or waiting at home for a window.
Then the magnetic nail sweep across lawn and driveway, the debris haul, and a walkthrough with you. You keep the photo record. Where a storm or an insurance claim is what brought you here, storm damage roof repair is the better place to start, and the honest version of that conversation is that your carrier decides what it covers, your deductible stays yours, and we will not tell you to open a claim when the damage is not there.
Repair or replace
We Do Not Sell Fear
If a roof can be repaired, we say that. A leak at one chimney is a flashing job. A roof-wide seal failure is a replacement. The photos usually settle it once somebody points at the right thing, which is why the inspection comes with a photo set you keep either way.
From the ground a roof can look fine. Once you are on it you may see lifted shingles, granule loss, bad flashing, soft wood, nail pops, old pipe boots or poor ventilation that a homeowner would never notice until it turns into a bigger problem. If what you have is one of those and not all of them, a targeted roof repair is the smaller job and we will tell you so.
Manny’s position on who Powersol is for is blunt, and it belongs on this page: we are not the right fit for somebody who only wants the lowest number and does not care what is included. More on how the company is run and who answers the phone is on the page about who runs Powersol.
Worcester coverage
Worcester Neighborhoods We Install In
Burncoat
Grafton Hill
Vernon Hill
Main South
Union Hill
Quinsigamond Village
Tatnuck
Salisbury Street
Crown Hill
Elm Park
Columbus Park
Webster Square
Indian Lake
Crown Hill and the Elm Park Neighborhood are local historic districts, so exterior material choices there can go before the Worcester Historical Commission. Build the review into your timeline before you settle on a color.
More from Powersol
Other Roofing Work We Take On
Straight answers
Frequently Asked Questions
What wind speed does a Worcester roof have to be fastened for?
117 mph. Table 301.2(2) of the Massachusetts Residential Code, Tenth Edition lists Worcester at a 117 mph ultimate design wind speed alongside its 50 psf ground snow load. That figure is why nail count, nail line and exposure are not details. A shingle rated for high wind and fastened above the nail line performs like an unrated shingle, and the wind provision of the material warranty goes with it.
How far up a steep Worcester roof does the ice barrier have to run?
Further than the 24 inch figure most quotes cite. Section R905.1.2 sets the base requirement at the eave edge to a point not less than 24 inches inside the exterior wall line. On any slope of 8:12 or greater the barrier also has to run not less than 36 inches measured from the eave edge. Worcester has a lot of steep roofs, so ask which of the two numbers your quote is priced against, and ask for the run in feet.
What are the layers in a full roof installation, in order?
Seven, from the deck up. Tear-off to bare wood, decking walked and replaced where it is soft, ice and water leak barrier at eaves and valleys, synthetic underlayment across the remaining deck, starter strip with new drip edge and new flashing, ridge exhaust paired with soffit intake, then the architectural shingle and ridge cap. Each one appears as its own line on the written estimate, which is what makes two quotes comparable.
Why does nail placement matter on a new roof installation?
Because it is the difference between a rated roof and a roof that looks rated. Shingles have a specified nail count, a specified nail line and a specified exposure. Nails driven high miss the reinforced strip and hold on asphalt alone. Nails driven at an angle or overdriven cut the mat. Worcester’s 117 mph design wind speed is the load that finds every one of those, and installing off spec is also the fastest way to void the manufacturer warranty on day one.
Will a new roof actually fix my ice dams?
Only if the install fixes the attic, and intake is the half that gets skipped. Ice barrier protects the deck once ice has already formed. Air moving through the attic is what keeps the deck cold enough that melt and refreeze does not start. A ridge vent over soffit intake that is blocked by insulation or painted shut from an old siding job moves no air at all, so we look at intake before we quote exhaust, and we say when the soffits need opening up.
When does the building inspector actually look at my roof?
Twice, and the first visit is the one that matters. The deck inspection happens while the sheathing is still open, before any underlayment or shingle covers it, which is the whole point of scheduling it. The final inspection closes the permit out after the work is done. A crew that dries the roof in before the deck has been looked at has skipped the only inspection that can see the wood.
How does the age of Worcester housing change a roof installation?
It moves the risk under the shingles. The City of Worcester Housing Needs Assessment puts 59% of the city’s housing stock in place before 1960, with only 7.7% built in the last 20 years. On a house that age the framing predates the current load table, the attic intake has usually been buried or blocked at some point, and the decking has had 60 winters to take on water. None of that is visible from the driveway, which is why the decking rate belongs in the estimate before the tear-off rather than in a phone call during it.
Can you install a new roof over my old shingles?
We tear off. Massachusetts caps how many layers a roof may carry, so plenty of Worcester houses have to come off regardless, and tearing off is the only way to walk the decking and bond the ice barrier straight to the wood. The layer rule and the rest of the Worcester code detail sit on our roofers in Worcester page.
Want the spec for your Worcester roof?
Call and describe what you are seeing, or email photos. You get a written scope with all seven layers on separate lines and the ice barrier run in feet.
Powersol Roofing, 100 Hancock St, Quincy, MA 02171. Permits pulled and inspectors met in Worcester by us. Details on Worcester Inspectional Services.