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Most roof failures start as small, fixable problems at the edges and openings of a roof, not out in the open field of shingles. A cracked rubber collar around a plumbing vent, a clogged valley, or a strip of flashing pulling away from brick can let water in for months before a stain appears on a ceiling. By the time anyone notices, the decking, insulation, and sometimes the framing have already soaked up the damage.
That is the logic behind scheduled maintenance. The National Roofing Contractors Association advises inspecting a roof at least twice a year, ideally in spring and fall, so seasonal wear gets caught before the next round of weather. In North Georgia, the fall visit tends to be the more valuable of the two, because pine straw and oak leaves pile up right before the wettest stretch of the year.
The catch is that “maintenance” means very different things depending on who shows up. Some visits amount to a glance from the driveway and a quote. A thorough one follows a predictable checklist, and knowing what belongs on that list makes it much easier to judge whether the appointment was worth it.
Across the northern Atlanta suburbs, Pritchett Roofing has paired roof maintenance programs with repairs, restoration, re-roofing, and new roof installation since 1981. What began as a single crew has grown to more than 40 employees, and the company has been a BBB member since 1988 while also belonging to the National Roofing Contractors Association and the Roofing and Sheet Metal Association. It is fully licensed, bonded, and insured, backs its work with extended warranties, and earns most of its business through customer referrals. Homeowners who want a clear baseline on an aging roof can start with a free professional estimate before deciding what kind of work actually makes sense.
1. Clearing Valleys and the Slopes Nobody Sees
Debris never collects evenly. It gathers in valleys, behind chimneys, and on rear slopes that are invisible from the street. A valley carries runoff from two roof planes at once, so a mat of wet pine needles there behaves like a small dam and pushes water sideways under shingle edges. Debris also holds moisture against the surface, which softens asphalt over time and feeds organic growth. A proper visit removes it by hand or with a gentle blower, never by scraping, and then checks the valley metal or woven shingles underneath for wear.
2. Testing Gutters and Downspouts Under Real Flow
Looking into a gutter tells you whether it is full. Running water through it tells you whether it works. Sagging sections hold standing water, loose hangers let the back edge drift away from the fascia, and a crushed downspout elbow can back up an otherwise clean system. When gutters overflow, water often spills behind them and rots the fascia board and the edge of the roof deck. The drip edge should sit over the back of the gutter so runoff lands inside it, and downspouts should discharge several feet from the house, since red clay soil tends to hold water right where it lands.
3. Inspecting Flashing Where the Roof Meets Something Else
Chimneys, sidewalls, dormers, and skylights are where most leaks begin. Step flashing should be layered with each course of shingles, and counterflashing on masonry should be set into a mortar joint rather than glued to the face of the brick. A common shortcut on older roofs is a thick bead of caulk standing in for missing metal. Sealant can buy some time, but it shrinks and cracks under sun exposure within a few seasons, so a good technician notes every spot where caulk is doing a job that flashing should be doing.
4. Checking Pipe Boots and Other Penetrations
Plumbing vents usually pass through the roof inside a rubber or neoprene collar. These boots are often the first part of a roof to wear out, sometimes splitting years before the surrounding shingles show their age. The same pass should cover bathroom and kitchen exhaust caps, attic fan housings, and any holes left from old satellite dish mounts or antenna brackets. Those abandoned fastener holes are a surprisingly frequent source of slow, hard to trace leaks.
5. Reading the Shingle Surface for Age and Wind Wear
Granules in the gutters are normal on a new roof and a warning on an older one, because that granule layer is what shields the asphalt from UV breakdown. Beyond granule loss, the inspection should look for lifted or creased tabs after windy weather, shingles whose seal strip has let go, cracked or curling edges, and nail pops, where a fastener has backed out and pushed up the shingle above it. Any one of these is a small repair. A cluster of them across several slopes usually signals that a bigger decision is coming.
6. Sorting Out Algae, Moss, and Lichen
Dark streaks on shaded, north facing slopes are common across the humid Southeast, and they are usually algae rather than dirt or mold. The Asphalt Roofing Manufacturers Association points out that cleaning only lightens these stains for a while and the discoloration is likely to return. Algae is mostly cosmetic. Moss and lichen are a different story, since they anchor into the surface, hold water, and can lift shingle edges. Pressure washing strips granules and should never be part of the plan. Soft washing with a suitable solution, trimming limbs that keep slopes shaded, and choosing algae resistant shingles at the next re-roof are the realistic options.
7. Looking at the Roof From the Attic Side
A large share of a roof’s condition is only visible from underneath. In the attic, daylight around a pipe or chimney, dark water trails on rafters, damp or compressed insulation, and rusty nail tips poking through the deck all expose problems the exterior hides. Ventilation belongs in this step as well. The International Residential Code generally calls for 1 square foot of net free vent area for every 150 square feet of attic floor, or every 300 when intake and exhaust are balanced between the eaves and the upper roof. Insulation blown over soffit vents and bath fans dumping humid air into the attic instead of outdoors are two of the most common reasons a roof ages early, and shingle makers can push back on warranty claims when ventilation falls short.
8. Leaving a Written Record With Photos
A maintenance visit should end with documentation, not a verbal “looks fine.” Dated photos of each slope, the flashing details, and the attic create a baseline that makes changes easy to spot from one season to the next. That record helps if a storm claim comes up and an insurer asks about the roof’s prior condition, and it supports warranty questions too. Over several years it also answers the question every aging roof eventually raises: whether targeted repairs are still enough, whether a restoration can stretch the service life further, or whether the evidence now points toward a re-roof or a full replacement.
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