111 E Aspen Ave, Flagstaff, AZ 86001 | AZ ROC #324345 | Licensed & Insured

Flagstaff's #1 Concrete Restoration & Waterproofing Experts

5.0— 150+ Google Reviews

Greg Kaiser & crew — AZ ROC #324345, 40 years experience — serving Flagstaff, Coconino County, and Northern Arizona. Concrete systems built for freeze-thaw cycles and 7,000ft elevation.

40yr
Experience
ROC
#324345
Satisfaction Guaranteed
AZ Licensed Contractor
ROC #324345
Verify at roc.az.gov ↗
Lead Installer
Greg Kaiser
40 years concrete & epoxy expertise
Our Guarantee
Satisfaction Guaranteed
Family-owned · Greg stands behind every job
Our Flagstaff Location

Visit Us in Flagstaff

111 E Aspen Ave, Flagstaff, AZ 86001 · Downtown Flagstaff

Why Flagstaff Is Different

Flagstaff's Climate Destroys
Standard Concrete Coatings

Flagstaff sits at 7,000 feet elevation in Coconino County — the highest major city in Arizona — and it subjects concrete to some of the most punishing freeze-thaw cycles in the Southwest. Every winter, temperature swings of 40°F+ in a single day force water to repeatedly expand and contract inside concrete pores, causing progressive spalling, cracking, and surface delamination that destroys unprepared coatings.

Snow and ice bring additional challenges: snowmelt penetrates slab surfaces and freezes again at night, driving moisture deep into the substrate. Standard epoxy systems applied without moisture vapor barriers simply cannot withstand this cycle. DnD's Flagstaff installations use flexible polyurea-based systems and penetrating moisture barriers specifically rated for Northern Arizona's freeze-thaw stress.

At 7,000ft, elevation also affects concrete chemistry — lower air pressure changes how epoxy cures and adhesion windows shift. Greg Kaiser's crews are trained for high-altitude installations, scheduling around Flagstaff's weather windows and using altitude-appropriate primers that create permanent bonds even in cold-season conditions.

7,000ft
Elevation
Highest major city in AZ
100 in
Annual Snowfall
Average per year
100+
Freeze-Thaw Cycles
Per year at 7,000ft
14°F
Winter Low
January average minimum
Flagstaff Location

Ready for a Free Estimate?

We don't compete on price — we compete on results. This is what quality looks like.

Free On-Site Assessment
$200 value
Family-Owned Satisfaction Guarantee
If you're not happy, we make it right
Free Estimate — No Pressure
Same day response
Full Prep Process Documented
Transparency
Call Flagstaff: (520) 385-6595
Real Customers

What Flagstaff Customers Say

Our garage floor was destroyed by freeze-thaw cycles. DnD came up, assessed the damage properly, and installed a polyurea system that has survived two brutal winters. Finally done right.

Mark T.
Downtown Flagstaff, Flagstaff
February 2025

Not many contractors understand Flagstaff's climate. Greg knew exactly how freeze-thaw cycles affect concrete here and used the right system for our elevation. Outstanding work.

Sarah K.
East Flagstaff, Flagstaff
November 2024

Used DnD for our vacation rental property near Flagstaff. They traveled up from Phoenix, got the job done in two days, and the floor looks incredible. Guests always comment on it.

James R.
Coconino County, Flagstaff
October 2024

Patio waterproofing that actually works through the snow season. Our deck has been through heavy snowfall and snowmelt twice now — zero cracking, zero moisture intrusion. Very impressed.

Linda H.
West Flagstaff, Flagstaff
September 2024

Greg is the most knowledgeable floor contractor I've worked with. He explained how elevation affects concrete chemistry and why specific primers matter at 7,000ft. Thorough and professional.

David M.
Mountainaire, Flagstaff
August 2024

Needed my workshop floor done before winter. DnD scheduled around Flagstaff's weather window, showed up on time, and finished in one day. Excellent craftsmanship from a real pro.

Rachel P.
Flagstaff Pines, Flagstaff
July 2024
The DnD Difference

Why Flagstaff Chooses DnD

What MattersDnD EpoxyTypical Contractor
AZ ROC License✅ #324345 verified❌ Often unlicensed
Freeze-Thaw Rated System✅ Polyurea/polyaspartic — rated for 7,000ft❌ Standard epoxy fails in cold
Moisture Vapor Barrier✅ Standard on all Flagstaff installs❌ Skipped to save cost
High-Altitude Primer✅ Altitude-appropriate formulations❌ Phoenix product used at elevation
Our Guarantee✅ Family-owned satisfaction guarantee⚠️ 1-year limited
Crack Repair✅ Structural repair before coating⚠️ Cosmetic fill only
Weather Scheduling✅ Install around Flagstaff weather windows❌ Come rain, snow, or freeze
Common Questions

Flagstaff Concrete FAQs

Q.Can epoxy floors handle Flagstaff's freeze-thaw cycles?

Standard epoxy cannot — but our polyurea and polyaspartic systems are specifically engineered for freeze-thaw stress. They flex rather than crack when concrete expands and contracts. At 7,000ft elevation, proper product selection is everything. We never install standard epoxy in freeze-thaw climates.

Q.How does 7,000ft elevation affect concrete coatings?

Altitude affects cure rates, adhesion window, and moisture vapor behavior. Lower air pressure at 7,000ft means solvents flash off differently. Our crews schedule Flagstaff installations around optimal temperature windows and use primers specifically rated for high-elevation applications.

Q.How do you handle snowmelt moisture in Flagstaff?

Snowmelt creates significant moisture vapor pressure under concrete slabs. We always apply moisture vapor barriers on Flagstaff installations before any coating. Skipping this step is the primary cause of coating failure in Northern Arizona.

Q.Are you licensed to work in Flagstaff and Coconino County?

Yes. Greg Kaiser holds Arizona ROC License #324345, which covers all concrete and epoxy coating work in Flagstaff, Coconino County, and throughout Arizona. You can verify this at roc.az.gov.

Q.How long does installation take in Flagstaff?

A standard garage takes 1–2 days depending on square footage and surface condition. We schedule around Flagstaff's weather — avoiding days with below-freezing temperatures. Cure times are extended at high elevation, so we add buffer time before advising vehicle use.

Get Started Today

Ready for the Best Concrete Restoration in Flagstaff?

Call our Flagstaff line or request a free estimate online. Greg Kaiser's crew serves all of Flagstaff, Coconino County, and surrounding Northern Arizona communities.

111 E Aspen Ave, Flagstaff, AZ 86001
AZ ROC #324345 · Greg Kaiser · 40 years experience

Neighborhoods We Serve

Downtown Flagstaff
East Flagstaff
West Flagstaff
Coconino County
Mountainaire
Bellemont
Williams
Sedona
(520) 385-6595Free Estimate
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