Pavers · Marietta, GA

Techo-Bloc vs Belgard vs Unilock — The East Cobb Aesthetic Test

Primetime Pools GA · 14 min read · Pavers

Three driveways away from each other in East Cobb, three different families are laying three different paver brands — and two of them are about to watch resale value leak out of their backyard because the stone does not match the neighborhood. This post walks through the four aesthetic mistakes that show up on paver jobs in Marietta, and the 12–18% resale premium you keep when the material is right.

Here is the short version, numbered the way the estimator actually runs it when a new Marietta client calls in. One: the three subdivisions that make up the core of East Cobb — Atlanta Country Club, Indian Hills, and Walton Woods — each have a dominant paver language, and that language is not interchangeable. Two: the HOA approval committee at Atlanta Country Club has a stricter match-rate requirement than most buyers realize, and the wrong submittal loses a week minimum. Three: Cobb County Community Development at 1150 Powder Springs St. will pull permits for your grading and drainage, but nobody at the permit counter tells you which paver blend the next-door neighbor used. Four: appraisers in the 30062 and 30068 zip codes comp backyards against the five closest sold properties inside the same subdivision — so when your patio reads “wrong subdivision” in photos, the appraiser’s adjustment line item is not friendly.

This is the guide we wish we could hand to every Marietta homeowner on day one of the design call. No generic “pavers are beautiful” fluff. Just the brand-by-brand aesthetic map of East Cobb, with the specific product lines we specify, the colors that hold resale, and the mistakes we have personally been hired to tear out and redo.

Chestnut tumbled Belgard Cambridge Cobble paver patio with stepped seat wall at a red-brick traditional home in Marietta, GA
Belgard Cambridge Cobble in chestnut behind a red-brick traditional — the Indian Hills default, and why it reads correct on this home.

The Three East Cobb Aesthetic Zones (And the Brand Each One Wants)

East Cobb is not one look. It is three looks sitting next to each other, and the boundary lines follow the roads — Johnson Ferry, Lower Roswell, Roswell Rd, Paper Mill. Each zone was built in a different decade, and the architecture of each decade pairs with a specific paver family. Get the pairing wrong and the patio fights the house forever.

Zone 1 — Atlanta Country Club and the warm-blend tumbled look. This is the oldest high-end pocket, mostly custom 1980s and 1990s brick-and-stone estates sitting on large rolling lots off Atlanta Country Club Drive. The paver language here is warm, tumbled, and multi-tone — sandstone, buff, chestnut blends with rounded edges. The brand that owns this zone is Techo-Bloc Industria in Greyed Nickel and Sandlewood, sometimes Techo-Bloc Villagio. These are thick 60mm tumbled pavers with a hand-laid, aged European feel that matches the brick-and-stone chimneys on these homes. Never a smooth modern gray here. The HOA committee (yes, there is one, and yes, it meets monthly) has turned down flat-gray smooth-finish submittals for material mismatch since at least 2018.

Zone 2 — Indian Hills and the traditional brick/cobble look. Indian Hills skews 1960s through 1990s, with a heavier concentration of red-brick colonials and two-story traditionals off Indian Hills Pkwy. The paver language is more literal here — people want their patio to read as “brick extending the house,” not as a contrasting feature. The brand that owns this zone is Belgard Cambridge Cobble in chestnut or autumn blend, with Belgard Holland Stone as the soldier course. Smaller brick format, 3-piece modular, tumbled edges. We have built this pattern on more Indian Hills lots than any other single combination.

Zone 3 — Walton Woods, Seven Oaks, and the modern large-format look. The newer construction west of Lower Roswell, plus the luxury infill popping up in the last ten years, reads completely different. Big boxy transitional exteriors, black window frames, flat roof lines, minimal plantings. The paver language is large-format, smooth-face, cool-gray — and the brand that owns this zone is Unilock Umbriano in Summer Wheat or Midnight Sky, or the Techo-Bloc Blu Grande family when clients want a similar 16×24 plank look at a slightly lower material cost. Never tumbled tan here. Tumbled tan on a modern Walton Woods home reads as “1998 trying to be 2024” and the appraiser sees it immediately.

Narrow rectangular Techo-Bloc Blu Grande gray paver patio with dark charcoal soldier course at a modern suburban home in Marietta, GA
Techo-Bloc Blu Grande gray running-bond with a charcoal double soldier — the language of the newer modern subdivisions west of Lower Roswell.

Cobb County permit note: Any paver project with a retaining wall over 30 inches, pool deck attached to a new pool, or hardscape that affects grading within 25 feet of a property line triggers a Cobb County Community Development permit out of 1150 Powder Springs St. in Marietta. A surface paver patio with no grading change does not. Always verify before the crew shows up — we build the permit timeline into the schedule on day one.

Brand-by-Brand — Techo-Bloc, Belgard, Unilock, Honestly Compared

After 200+ East Cobb and broader Marietta installs, our honest take on each of the three main brands, ranked by how they perform on this Piedmont clay soil, how they age through Marietta’s 22-freeze-event winters, and how HOA committees respond to them on paper.

Techo-Bloc — the aesthetic range champion

Techo-Bloc’s depth of product lines is unmatched. From the warm-tumbled Industria line that matches Atlanta Country Club’s brick-and-stone estates, to the smooth modern Blu 60 and Blu Grande plank formats for Walton Woods, to the travertine-look Aberdeen for clients who want cream-gold without natural-stone pricing — they have a product for every East Cobb zone. Their 25-year structural warranty is the strongest in the category, and the efflorescence control on their 2020+ production runs has been materially better than what we saw a decade ago. Pricing lands around $24 to $32 per square foot installed depending on the line and the complexity of the pattern. For clients torn between zones — say, a traditional brick home in a subdivision trending modern — Techo-Bloc’s breadth usually wins the day.

Belgard — the Indian Hills and traditional-home standard

Belgard is the default brick-format brand in Metro Atlanta. Their Cambridge Cobble, Holland Stone, and Old World Paver lines read as “traditional southern patio” in a way that Techo-Bloc’s equivalent lines don’t quite match — the tumbling is a touch softer, the edges a touch more rounded. If you live in a red-brick Indian Hills colonial built in 1988, Belgard Cambridge Cobble in chestnut is the correct answer and the appraiser will agree. Installed cost runs $22 to $30 per square foot, slightly below Techo-Bloc on average for comparable lines. The one complaint we have: Belgard’s large-format modern product is weaker than Techo-Bloc’s and noticeably weaker than Unilock’s. If you are going modern, Belgard is not the first pick.

Unilock — the premium modern specification

Unilock Umbriano is the strongest single product in the large-format cool-gray category that we install. The surface finish — Unilock calls it “EasyClean” — genuinely holds up against the Piedmont clay splash-up we see during Marietta’s 52 inches of annual rainfall. It resists staining in a way that the equivalent Techo-Bloc and Belgard large-format products do not, and the color consistency from pallet to pallet is tighter. That precision costs money: expect $28 to $38 per square foot installed for Umbriano, which is the top of the price bracket. For the modern Walton Woods or Atlanta Country Club luxury infill client who is spec-sensitive, this is the one we recommend by name.

Irregular Pennsylvania bluestone flagstone patio with curved seat wall at a cream stucco and stacked-stone home in Marietta, GA
Pennsylvania bluestone flagstone with a curved seat wall — the natural-stone alternative when a client wants to step outside the three concrete-paver brands entirely.

Atlanta Country Club — Why Techo-Bloc Industria Is Effectively the Only Answer

Atlanta Country Club has the strongest HOA design review process of any neighborhood we work in on the north side of Metro Atlanta. The committee reviews material submittals every month, and their written design guideline has specific language about “warm tumbled stone-scale pavers in multi-tone blends consistent with the established architectural character of the subdivision.” Translated: no cool grays, no smooth face, no large-format planks. The homes here are custom brick and stone, many with Jerusalem-stone or fieldstone accents, and the paver needs to read as an extension of that language.

The product we spec almost every time on an Atlanta Country Club lot is Techo-Bloc Industria 60mm in a Greyed Nickel / Sandlewood blend with a matching Villagio soldier. The tumbled edge reads aged, the three-size modular pattern breaks up the scale the way real hand-laid European cobble does, and the HOA committee has approved this exact specification on the three most recent jobs we submitted. The alternative in this zone — and only when the client has a specific reason — is Belgard Old World in a tan blend, which reads slightly more “cottage” and less “estate.”

What does not work here: anything from the Techo-Bloc Blu or Unilock Umbriano large-format lines. Smooth modern grays on these lots fight the brick-and-stone architecture, and the resale data from 2022-2024 sales inside ACC shows a measurable hit on backyards that went modern — roughly 12 to 18 percent below comparable warm-tumbled backyards on otherwise identical home size and lot area, per the last three years of pulled MLS comps.

Two-level gray large-format paver patio with circular raised fire pit and cream-capped seat walls at a cream lap-siding home in Marietta, GA
Techo-Bloc Blu Grande gray running-bond with cream split-face seat wall — a two-level pattern that works cleanly in the modern-traditional homes west of Lower Roswell.

Indian Hills and Burnt Hickory — Why Belgard Cambridge Cobble Is the Easy Yes

Indian Hills and the broader Burnt Hickory corridor (plus Chestnut Hill and the older parts of Seven Oaks) are the traditional brick-colonial heart of East Cobb. The homes average 3,200 to 4,800 square feet, most built between 1975 and 1998, and the front elevations are dominated by red brick, sometimes painted white or limewashed in the last ten years. Mature oak and poplar canopy is the defining landscape element, and most backyards run 0.4 to 0.9 acres with 3-6 feet of moderate grade fall away from the house.

The Belgard Cambridge Cobble chestnut blend hits this environment dead center. The 3-piece modular format reads at the same visual scale as the small red brick in the house wall, the tumbled edge softens into the aged brick mortar joints without fighting for attention, and the warm chestnut-to-autumn color family bridges the red brick and the oak canopy shadow line. We build 80% of our Indian Hills patios in this single combination, and we have never had a resale complaint tied to it.

The soldier course decision on these traditional homes matters more than people realize. Belgard Holland Stone in a matching tan runs as a single-course soldier for a softer look, or a deeper double-course soldier in a contrasting autumn blend for a stronger visual frame. For patios inside 400 square feet, single-course. For patios over 400 square feet, we recommend the double — the scale needs the heavier edge.

Cream-gold travertine-look paver patio with low seat wall and column piers framing a rural lake view in Marietta, GA
Techo-Bloc Aberdeen travertine-look in cream-gold — the third-zone answer for clients who want neither cool gray nor warm chestnut, framed by column piers.

Walton Woods and the Modern Infill — Where Unilock Umbriano and Techo-Bloc Blu Grande Live

The modern subdivisions west of Lower Roswell and the ongoing luxury infill near the Chattahoochee River corridor have a completely different architectural vocabulary: black window frames, lighter clean lines, board-and-batten mixed siding, minimal ornamentation. The paver has to read as clean, modern, cool, and planar — not tumbled, not warm, not busy.

For this zone we spec Unilock Umbriano in Summer Wheat for the clients who want subtle warmth inside a modern palette, or Umbriano in Midnight Sky for clients going full dark modern. Both are large-format, smooth-face, with Unilock’s proprietary stain-resistant surface. For clients who want a similar look at a lower cost, Techo-Bloc Blu Grande in Greyed Nickel is the step-down — same 16×24 plank format, slightly less refined surface, but still clean and modern. We almost never use tumbled products in this zone.

Drainage sub-base matters more here than elsewhere in Marietta. The Cecil-series Piedmont clay soil holds water, and the lots west of Lower Roswell tend to sit on marginally lower elevations where ground saturation hits faster. We build an 8-inch compacted crushed-stone base on every modern-format install (versus the 6-inch spec on smaller-format jobs), with a 1-inch bedding layer of washed concrete sand and a polymeric joint sand rated for full-immersion exposure.

Match the paver to the subdivision, not to the magazine. The neighborhood vocabulary was set 30 years ago — the appraiser already knows the rule.
Compact tan Belgard Cambridge Cobble paver patio with round stone firepit, column piers, and matching seat wall at a modern farmhouse home in Marietta, GA
Belgard Cambridge Cobble in a sandstone blend with matching column piers and seat wall — the traditional-Indian-Hills vocabulary scaled to a modern farmhouse backyard.

HOA Approval, Resale Data, and the Six-Step Spec Process

Three HOAs in Marietta have formal design review committees that review paver submittals before any work starts. Atlanta Country Club, Indian Hills Country Club, and Marietta Country Club. Each requires a package that includes a site plan, material sample board, and photographs of at least two installed patios using the same material within a reasonable radius. Miss any of these and the submittal bounces — typically a two-to-three-week delay.

  • Atlanta Country Club — reviews the first Thursday of every month. Requires material board + two comparable installed references. Rejects cool-gray smooth finish on principle.
  • Indian Hills Country Club — reviews rolling, typically within 10 business days. Lighter review. Mostly confirms the material family is consistent with the subdivision.
  • Marietta Country Club — reviews within 14 business days. Most focused on grading, drainage, and retaining-wall heights; less concerned with specific paver color.

Our approval rate across these three committees over the last 36 months is 94% on first submittal, which is meaningfully higher than the industry average we see talking to other Marietta hardscape contractors. The reason is boring: we submit the subdivision-correct material every time. We do not try to talk a client into a modern Umbriano patio on an Indian Hills brick colonial because the HOA will reject it anyway and we have watched that fight lose.

Signature detail — Cobb EMC vs Georgia Power: Marietta has two electric utilities and the address determines which one serves your lot. Incorporated City of Marietta addresses (inside the city limits, generally the 30060 and parts of 30064 zips) are served by Marietta Power. Most East Cobb addresses — Atlanta Country Club, Indian Hills, Walton Woods, Brookstone — are served by Cobb EMC. This matters when the patio includes low-voltage lighting, a pool equipment pad, or an outdoor kitchen with 240V. Confirm utility before the design meeting — the permit path and the connection fee schedules are genuinely different.

The resale data — 12–18% backyard value tied to getting the match right

We pulled three years of East Cobb MLS comps (2022 through late 2024) looking at sold properties with hardscape visible in the listing photos. Normalizing for home square footage, lot size, and interior finish level, a backyard that read as “subdivision-correct” consistently sold at a premium to a backyard that read as “wrong zone.” The delta averaged 12 to 18 percent on the backyard contribution line item, with the strongest effect in Atlanta Country Club and the weakest effect in newer subdivisions with less established architectural identity.

The specific mistakes we saw repeatedly in the “wrong zone” bucket: modern smooth large-format Umbriano installed on 1980s Indian Hills brick colonials; tumbled tan Belgard Cambridge Cobble installed on 2018 modern black-framed Walton Woods homes; and — weirdly common — travertine-look Techo-Bloc Aberdeen installed on red brick ACC estates where the cream-gold fights both the brick and the dominant warm-tumbled neighborhood palette. In each case, a match-correct alternative was available at similar installed cost. The owner just got talked into the wrong product by a contractor who did not know the local vocabulary or did not care.

On the upside: clients who built the correct vocabulary into their install — the Indian Hills colonial with Cambridge Cobble chestnut, the Atlanta Country Club estate with Techo-Bloc Industria Sandlewood, the Walton Woods modern with Unilock Umbriano Midnight Sky — showed backyard contribution premiums of $18,000 to $42,000 depending on patio size and integrated features. That delta alone pays back the paver upgrade cost, and then some.

Tumbled tan and charcoal retaining wall with curved step landing featuring a brick inset circle in a Marietta, GA backyard
Retaining wall with integrated curved steps and a brick inset landing — the detail work that separates a good East Cobb hardscape submittal from a great one.

Our six-step spec process for every Marietta job

When a Marietta client calls for an estimate, here is the exact sequence we run. This is the process we built after watching too many neighbors make the wrong aesthetic call and regret it at closing three years later.

  1. Subdivision identification. We confirm the subdivision and the architectural decade. Atlanta Country Club, Indian Hills, Walton Woods, Brookstone, Seven Oaks, Sope Creek, Willeo Creek — each has a dominant vocabulary. Confirming this on the first call is the single highest-leverage decision of the project.
  2. Home exterior audit. Brick color, stone accents, window frame color, roof pitch, landscape maturity. We photograph the house and shortlist two or three material families that fit.
  3. Three comparable references. We pull photos of three recent installs within a half-mile radius using the shortlisted material family. This becomes the starting point for the material board.
  4. HOA pre-check. If the subdivision has a design review committee, we check the latest design guideline document against the shortlist and eliminate anything that will bounce. No point designing a patio the committee will reject.
  5. Cobb County permit review. Confirm whether the project scope triggers a Cobb County Community Development permit (retaining wall height, drainage impact, setback proximity). Build permit timeline into schedule.
  6. Final material board. Physical pavers, soldier course samples, joint sand color, proposed pattern. Client signs off before any stone is ordered. No surprises at install.

This process adds about two weeks to the front end of the project compared to a contractor who just shows up and starts laying. It also eliminates 100% of the “we built the wrong thing” conversations that cost six figures in rebuild work downstream. Worth the extra time, every single time.

The Marietta paver conversation is not about which brand is “best.” All three — Techo-Bloc, Belgard, Unilock — make excellent product, and we install all three. The conversation is about which brand reads correctly on your specific lot in your specific subdivision, given the architecture of your specific home and the aesthetic vocabulary the neighborhood established 30 years ago. Get that right, and the material choice is nearly invisible — it simply reads as “of course that is the patio that belongs here.” Get it wrong, and every visitor will feel the disconnect even if they can’t name it, and the appraiser will quantify it at closing.

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