Skip to content 
Your Florissant home deserves slate work done by hands that actually know the material. We would love to walk your roof, listen to what you want preserved, and send a clear line-item quote. Reach out today and we will meet you on site this week.
If you own one of Florissant’s Old Town historic homes near Old St. Ferdinand Shrine, your slate roof is a 100-year asset most local crews are simply not trained to touch. We work with homeowners from the Washington Street historic blocks down to Charbonier Road who need slate rebuilt, matched to the original stone, or newly installed by hands that understand the material. Top Quality Exteriors handles slate the slow way, course by course, with the copper flashing, high-temp underlayment, and ice and water shield detailing it deserves.
Slate is not a weekend tear-off, and Florissant’s own permit rules reinforce that reality; City Code 500.330(18) requires written sample approval from the Building Commissioner for any matched replacement. We quote honestly on scope, lift and salvage sound slates where safe, source matching stock for the 124-property National Register historic district, and tie the finished roof into a long-view maintenance plan with five-year check intervals. Pair it with careful residential roofing in Florissant work across the whole structure.
Florissant was founded in 1786, and the Old Town core still carries 124 National-Register properties, including Casa Alvarez from 1790 and the Archambault House from around 1850. A roof on that kind of home is not a product category; it is a preservation decision. We treat natural slate and synthetic composite slate as two legitimate paths with different cost curves and matching behavior, and we explain both before you choose. On a historic home near Taille de Noyer, we lean toward natural slate from the same geological family as the original quarry so the color weathers in sync with what is already there. On a newer custom build in Old Jamestown or along the Coldwater Creek corridor, synthetic composite slate often wins on budget, impact rating, and installer availability for future service. Either way, the deck gets inspected first, framing load gets checked for the heavier material, and copper flashing goes in at every penetration. Compare the install profile to metal roofing in Florissant when you weigh cost per year.
Slate rewards patience and a very clear sequence. We walk every single Florissant slate job through the same five phases, from the first roof-deck inspection out to the final punch list, so there are no surprises on an irreplaceable roof.
I start with a slow walk around the Florissant home from the ground. I note slate color, nail wear, and flashing from the yard. Then I sketch a repair map before anyone climbs.
Next I open a test section on the roof itself. I check the deck for board sheathing common on older Florissant ranches. Warped or cracked boards get flagged for replacement first.
Then I pull samples of your existing slate and search our network for a close supply match. Florissant Code 500.330(18) wants it approved first. I handle the submission end to end.
Now we hand-set each slate course and lap new copper flashing at every valley and penetration. The crew works small sections at a time. Nothing ever gets rushed on a slate deck.
I close every job with you on the ground reviewing drone photos. We walk the 36-month warranty, matched slate record, and check cadence. You keep leftover slates for future care.
Slate work in Florissant is a small world of homes, and it rewards local judgment over sales pitches. Our owner Mario A. Granados runs every slate quote in person, from the Old Town historic blocks around Old St. Ferdinand Shrine over to the newer west-side pockets off Patterson Road and Parker Road. We back the installation with a firm 36-month workmanship warranty on all jobs plus extended coverage up to a lifetime warranty on selected products.
Our 52-plus team members know the regional supply chain for natural slate, synthetic composite slate, and copper trim, which really matters when a repair stalls waiting on stock. We are BBB Accredited with an A+ rating, licensed in Missouri and Illinois, carry full general liability and workers compensation coverage, and keep an after-hours emergency line staffed year-round for active leak calls. You will get the same crew lead on day one that you see on the final day.
Slate is a long game, so the honest cost conversation starts with lifespan. A properly installed natural slate roof on a Florissant Old Town home can live past 100 years, which spreads the upfront cost across generations of owners rather than one. Synthetic composite slate runs lower at install, carries a Class 4 impact rating helpful in our active hail corridor, and still lasts a solid 40 to 50 years with the right underlayment and copper flashing from day one.
We offer Hearth and GreenSky financing so a slate project does not have to wait for the perfect savings year, and we lay out every option before you sign. The real driver on your Florissant quote is scope: full tear-off versus matched repair, existing deck condition, and whether framing needs a load review for the heavier material. If budget steers you toward another premium path, our tile roofing in Florissant page lays out one more long-life option worth a look.
Every credential we carry is a commitment to quality, safety, and your peace of mind — on every project, in every state we serve.
