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One or two patches on a roof is completely normal. A good repair done at the right time can add real life to a roof. But...
11/05/2026

One or two patches on a roof is completely normal. A good repair done at the right time can add real life to a roof. But when you start counting patches and lose track, that pattern is telling you something.

We were on a roof in Gladstone recently for an estimate. Scattered across the slope were a dozen or more replacement shingles and partial tabs, none of them matching the originals. Different shades, different textures, set in at different heights. The mismatches aren't the problem, replacement shingles never match an aged roof exactly, and that's fine. The pattern is the information.

What a pattern like this usually means is that the surrounding shingles were already brittle and losing granules each time a patch went in. Every repair addressed one spot while the field kept aging. At some point the honest conversation shifts from "what do we fix next" to "is the next repair money well spent, or is it time to look at the whole picture."

We're not here to push anyone toward a replacement they don't need. But if you're looking at a roof that's been patched more times than you can count, it's worth asking the question out loud before the next repair bill lands.

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Sealant is not flashing. That's the short version, and it's worth knowing before you call any mound of caulk around a pi...
11/04/2026

Sealant is not flashing. That's the short version, and it's worth knowing before you call any mound of caulk around a pipe a "fix."

We were on a roof in Gladstone recently and spotted this: a thin metal pipe coming up through the shingles with no metal flashing collar and no rubber boot. Just a troweled mound of gray mastic around the base. At some point that was somebody's solution, and for a while it probably held.

But sealant dries out. It goes through PNW freeze-thaw cycles every winter, bakes in the summer, and eventually it cracks. In the photo you can see a gap opening up on the downhill side of the pipe, right where water wants to run.

A proper pe*******on gets a metal flashing or a rubber boot with a fl**ge that tucks under the uphill shingles. Water sheds over it naturally. Caulk just sits on top with nothing to lap under. Once it splits, water has a clear path down the outside of that pipe into the roof deck.

If you've got pipes, vents, or anything else poking through your roof and you're not sure what's sealing them, it's worth a closer look before the rain season is fully underway.

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See that dark ring with the bare spot in the center? That's a low spot on a low-slope roof telling on itself.On a flat o...
11/03/2026

See that dark ring with the bare spot in the center? That's a low spot on a low-slope roof telling on itself.

On a flat or low-slope roof, water that sits after rain is called ponding. The general rule of thumb is water still standing around 48 hours after rain stops. Ponding collects leaves and debris that hold moisture even longer, and over time it wears the protective granules right off the cap sheet. Once those granules are gone, the bare asphalt ages much faster in sun and weather.

The dark stain is the tide line. The bare circle is where the granules wore away. The fix isn't coating over the stain, it's finding out why water pools there: a clogged drain or scupper, a sag in the deck, a low lap seam. You address the cause, not the symptom.

If you manage a flat or low-slope roof and you're seeing marks like this after a rainy stretch, it's worth having someone walk it and trace where the water's going.

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Meet our newest crew member. Great attitude, never calls in sick, but he says he doesn't have the guts for ladders.Happy...
10/31/2026

Meet our newest crew member. Great attitude, never calls in sick, but he says he doesn't have the guts for ladders.

Happy Halloween from the French Roofing crew! Keep the porch light on, watch for the little ones tonight, and if this rain turns up any spooky drips, we'll help keep you bone dry.

Schedule a FREE roof assessment at frenchroofing.com/estimate

Branches touching your roof might not look like a big deal. But they're worth knowing about.When the wind moves, those l...
10/30/2026

Branches touching your roof might not look like a big deal. But they're worth knowing about.

When the wind moves, those limbs scrub against the shingles and slowly wear off the granules. Granules protect the asphalt from UV and rain, so once they're gone, they're gone. Meanwhile, leaves, seeds, and catkin litter collect along the eave and fill the gutters, hold moisture against the shingles, and give moss exactly the damp, shaded foothold it needs to get started.

We spotted this on an inspection in Gresham recently. A big birch, beautiful tree, branches resting right near the ridge end. Thin moss lines already starting along the shingle joints. A band of seed litter sitting at the eave. None of it catastrophic, but all of it avoidable.

Trimming branches back so they clear the roof is one of the simplest fall maintenance items there is. If a branch can touch the roof, it's close enough to cause trouble. Have a tree service take care of it from a ladder or lift. No need to get on the roof yourself.

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Every vent, flue, and pipe on a roof is a hole through it. The metal flashing or rubber boot around each one is what kee...
10/29/2026

Every vent, flue, and pipe on a roof is a hole through it. The metal flashing or rubber boot around each one is what keeps that hole dry.

When we look at a roof, those pe*******ons are where we go first. The square black box vents let attic heat and moisture escape. The round metal caps with the storm collars are appliance flues, furnace or water heater. The small black boot mid-slope is a plumbing vent. Each one is a separate system, and each one has its own way of failing.

A loose storm collar, a cracked rubber boot, a vent fl**ge laid on top of the shingles instead of tucked under them on the uphill side. None of it looks dramatic from the ground. But up close, these are the spots that account for a big share of the leaks we trace back after a hard rain.

If someone tells you your roof has a leak, this is where we start looking before we look anywhere else.

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Granules are the gritty coating on the surface of a shingle, and their whole job is to protect the asphalt underneath fr...
10/26/2026

Granules are the gritty coating on the surface of a shingle, and their whole job is to protect the asphalt underneath from UV and weather. When they wear away, the asphalt is exposed and the shingle starts breaking down.

This is what patchy granule loss looks like up close, from a roof we inspected in Gresham. Some tabs still have decent speckled coverage. Others have gone darker where the asphalt is showing through. And along the bottom edges of several tabs, the fiberglass mat is starting to show, pale and frayed. That fringe at the tab edge is a detail worth noticing.

The patchy, tab-by-tab pattern also matters here. When granule loss is spread unevenly across a whole slope rather than one scuffed spot, it usually means the shingles have been slowly losing coverage over time, not just taking a single hit.

It doesn't automatically mean a roof needs replacing, but it does mean it's worth having someone take a look. Knowing where you stand is a lot cheaper than finding out the hard way.

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Gutters don't fail. They just get ignored until the rain shows up and there's nowhere for the water to go.This is what w...
10/24/2026

Gutters don't fail. They just get ignored until the rain shows up and there's nowhere for the water to go.

This is what we see on a lot of roofs heading into fall. Leaves, fir needles, and debris packed level with the gutter lip. When rain hits a gutter that full, it doesn't drain. It overflows at the eave and sits right at the shingle edge, exactly where you don't want standing water.

And the moss growing along those shingle joints? Moss holds moisture against the surface. It's not just a cosmetic thing. It works against the roof every time it gets wet.

Neither of these is an emergency on its own. That's the point. Clear the gutters before the heavy rains hit, and if you've got moss lining up on the shingle edges, it's worth getting ahead of it before it settles in for winter.

A fall gutter cleanout and a quick look at the roof surface can save you a much bigger conversation in the spring.

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Most people can tell you what a roof looks like. Fewer know what it's actually doing up there.The hip and ridge cap line...
10/22/2026

Most people can tell you what a roof looks like. Fewer know what it's actually doing up there.

The hip and ridge cap lines aren't just where the slopes meet. They're the last line of defense against wind uplift and water intrusion at the highest, most exposed points of the whole system. The shingles along those peaks take more abuse than anything else on the roof.

On an architectural shingle roof like this one, the ridge cap shingles are purpose-built. Thicker, pre-bent, and designed to flex through temperature swings without cracking. Standard field shingles cut and folded over the ridge is an older approach, and it tends to show its age faster.

That plumbing vent boot in the frame is worth paying attention to too. It's one of the more common spots we trace a slow leak back to during inspections.

Next time you're looking at a roof from the street, check where the slopes meet at the top. If the ridge cap looks wavy, thin, or lifted at the corners, it's worth a closer look before the rains hit.

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When we do a shingle repair, we go all the way down.This one in Estacada shows what a proper repair looks like opened up...
10/20/2026

When we do a shingle repair, we go all the way down.

This one in Estacada shows what a proper repair looks like opened up. The damaged shingles come off, the underlayment comes off, and we get eyes on the OSB decking beneath. If the deck is soft, spongy, or showing rot, we deal with it now, not six months from now when the stain shows up on the ceiling.

A lot of repair work stops short of this. Slap a patch over the problem and move on. The issue is you've just buried the damage instead of fixing it. Water doesn't care if there's a new shingle on top.

If we're opening a repair, we open it all the way down to make sure what's underneath is solid before anything goes back on. That's just how a repair is supposed to go.

Get an Instant Roof Quote at frenchroofing.com

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16235 SE Van Zyl Drive
Damascus, OR
97089

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