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Commercial Roofing in Andover, MA
Andover’s commercial roofs split into two different problems depending on where the building sits. Downtown, older brick buildings still carry built-up or modified bitumen roofs that have been patched more than once. Out along the business park corridors near I-93 and Route 28, newer low-slope buildings are running EPDM or TPO membranes that are all hitting the end of their service life around the same time, because most of them went up in the same building boom.
Flat and Low-Slope Commercial Roofing Services in Andover
What Andover roofs are up against
The Merrimack Valley’s commercial building stock is aging in a fairly predictable way. A lot of it was built or re-roofed in the same 15 to 20 year window, which means a lot of it is failing in the same window too. EPDM membranes are showing seam separation and UV cracking. Ponding water is collecting at low points because the original drainage slope was marginal to begin with, and every year of ponding shortens the membrane’s life a little more. Roof drains and scuppers clog with leaves and grit faster than most property managers expect, especially on buildings near tree cover, and a clogged drain turns a small ponding problem into standing water across half the roof.
Andover adds its own wrinkle. Downtown, the older brick buildings often have two or three roof layers stacked on top of each other from past patch jobs, which adds dead weight and traps moisture between layers where nobody can see it. Out in the business parks off Route 28 and near the highway, it’s a different issue: HVAC units get swapped out over the years and the curb flashing around them doesn’t always get resealed properly when that happens. That’s one of the most common leak points we find on an Andover flat roof, and it’s usually invisible from the ground.
How we assess it
Before we recommend anything, Derek gets on the roof and looks at what’s actually there. That means checking the deck for soft spots, checking flashing at every parapet wall, curb, and penetration, and checking the drainage slope to see where water is actually going instead of where it’s supposed to go. If there’s attic or ceiling access, we check the underside too, because water can travel a long way from where it enters before it shows up as a stain inside. You get a real answer about the roof’s condition before you get a recommendation, not the other way around.
What the job involves
The first decision is tear-off versus recovery. If the deck is sound and the existing membrane isn’t holding water, a recovery can work and it’s less disruptive. If there’s trapped moisture or the deck’s compromised, tear-off is the honest answer even though it costs more up front. From there it’s insulation, usually tapered to actually fix the drainage instead of just replacing the same flat slope that caused the ponding in the first place, then membrane installation, then flashing detail at every parapet, curb, and penetration, because that’s where flat roofs actually fail. We coordinate the schedule around your tenants and your business hours, and we pull the proper permits before anyone gets on the roof.
How long it takes
A smaller retail or office roof typically wraps in a few days once material is on site. A full business park building or a multi-tenant roof with a lot of penetrations runs closer to one to two weeks. Weather and material lead times can shift that either way, and we’ll tell you upfront if either one is a factor on your job.
Common questions
Please reach us at [email protected] if you cannot find an answer to your question.
Can you do the work without closing my business?
In most cases, yes. Roofing work happens above the building, and we plan access and staging so your tenants and customers aren’t dealing with a construction site at the entrance.
What roofing system is best for a flat commercial roof?
It depends on your building’s use, budget, and how much foot traffic the roof itself gets from mechanical work. TPO, EPDM, and PVC all have a place. We’ll tell you which one fits your building instead of defaulting to whichever one we happen to stock.
Do you only do repairs, or full replacement too?
Both. If a repair genuinely solves the problem, that’s what we’ll recommend. We don’t push replacement on a roof that doesn’t need it yet.
What if my roof is already leaking?
Call before it gets worse. A leak on a flat roof is often coming from a spot well away from where the water is showing up inside, and the longer it sits, the more decking and insulation it damages underneath.
Get an estimate
Couture’s Construction is based in Methuen and works commercial roofs across Andover and the rest of the Merrimack Valley. We’re BBB accredited with an A+ rating. Call 978-778-2856 to get a proper roof assessment, not a drive-by guess.