Roofing Projects · October 2, 2026
Asphalt-to-Standing-Seam Roof Replacement in Table Mesa, Boulder
Roof Replacement · Boulder, CO
This Table Mesa job swapped out brittle 1990s asphalt shingles for 24-gauge matte black standing seam metal. Five working days start to finish. The west slopes had been lifting and creasing in the wind for years, and the owners were flat out done patching. They wanted a roof that would stop doing that.
What this Table Mesa roof looked like before and after
Before: a 1990s asphalt system with shingles curling and cracking on the west-facing slopes, the side that catches the worst of Boulder’s wind. After tear-off down to the deck, the whole roof is matte black standing seam now, with matching rake, eave, and ridge trim, plus snow guards over the front entry. Stand in the yard and you can watch the Flatirons reflect off those clean metal lines.
BeforeAfter
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Why switch to metal instead of re-shingling again?
Because the shingles kept failing in the exact same spot no matter how many patches went down. The west slopes caught the wind off the Flatirons, and those 1990s tabs would lift, crease, then crack within a season or two. Patching bought a year, maybe less, each time. A full roof replacement in Boulder with standing seam metal fixes the actual problem instead of chasing it around the roof. Snap-lock panels have no exposed fasteners and no tabs for wind to grab, so the failure point that kept coming back on this house is just gone. The owners had reached the point where another shingle repair wasn't worth the money. This was a full tear-off, not a patch job, and it's built to handle Boulder wind instead of losing to it every season.
Why use Grace Ice & Water Shield HT under the metal?
Standing seam metal runs hotter in direct sun than asphalt ever does, and a standard ice and water membrane can soften or slide under that kind of heat over time. Grace Ice & Water Shield HT is a high-temp underlayment built for metal roofing specifically, so it holds up under the panels instead of breaking down underneath them. On this job it went down across the whole deck, not just the valleys, before a single panel got set. That full coverage matters on a two-story roof with this much west-facing exposure, since it's the layer actually doing the waterproofing once the metal is up top.
Why snow guards over just the front entry?
Metal sheds snow fast. A smooth standing seam surface lets a whole slab let go at once instead of melting off gradually like shingles do, and over a walkway that's a real hazard. Snow guards went in over the front entry on this house for that reason, and that reason only: that's where people walk in and out. They break up the slide so snow doesn't dump on the steps all in one sheet. The rest of the roofing in Boulder on this property sheds normally off the eaves, right where nobody's standing underneath it.
Frequently asked questions
What signs told the owners this roof was past patching?
Shingles on the west slopes kept lifting at the tabs and creasing where the wind worked them loose, over and over, after every repair. That's the sign the shingle layer has hit the end of its life, not just a one-off storm hit.
How can you tell wind has damaged shingles like these?
Look for tabs that are lifted, curled, or creased, especially on whichever slope faces the prevailing wind. On this roof that was the west side, and the creasing kept showing up instead of healing or staying put.
Why replace the whole roof instead of just the damaged west slopes?
Standing seam is one interlocking system, so you can't run metal panels on one slope and leave asphalt on the rest and call it done. The owners also wanted one consistent look across the house, which meant full tear-off instead of a partial fix.
How long does a full tear-off to standing seam take?
This two-story Table Mesa home took five working days, start to finish, from tear-off to the deck through final trim and snow guards. That covers stripping the old shingles, running underlayment, and locking in every panel and seam.
Do snow guards work on a slick metal roof surface?
Yes, that's the whole point of them. Standing seam sheds snow in slabs instead of melting off gradually, so guards went over the front entry here to break that slide up before it hits the steps.
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