Specialty Concrete Services - Concrete

← Back to Concrete

📋 About Specialty Concrete Services ▾

When a project goes beyond pouring a standard slab or sidewalk, it falls into the territory of [Concrete](https://contractorsplanet.com/?service=concrete) specialty work — a cluster of highly technical services that demand purpose-built equipment, trade-specific licensing, and years of hands-on experience. Specialty concrete services cover everything from sawing through a post-tensioned garage deck to casting a one-of-a-kind kitchen island, and hiring a generalist for any of these tasks is the fastest way to turn a manageable budget into a costly repair bill.

Q: How do I know which specialty concrete service I actually need?

Start with the problem, not the solution. If existing concrete is cracked, heaving, or simply in the wrong place, demolition and removal is the right entry point. If you need a new opening — for a drain, conduit sleeve, or door — cutting and coring is the answer. If your concrete surface is staining, spalling from freeze-thaw cycles, or allowing water into a basement, sealing and waterproofing addresses the root cause. If you want a high-end kitchen or bathroom surface, custom countertop fabrication is an entirely different trade. Describe the symptom to a ContractorsPlanet specialist and they'll route you to the correct sub-service — mixing up the categories wastes both time and money.

Q: Is a permit required for concrete demolition or cutting?

It depends on jurisdiction and scope. Removing a residential driveway or patio usually requires only a basic demolition or right-of-way permit, which your contractor should pull. Cutting a structural penetration through a load-bearing wall or post-tensioned floor slab almost always triggers a building permit and may require an engineer's stamp before the inspector signs off. In California, Bay Area, and New York City jurisdictions, even relatively minor concrete work in the public right-of-way requires an encroachment permit. A qualified specialty contractor will identify permitting requirements during the estimate phase and include the associated fees — typically $150–$600 — in their written scope.

Read full guide ↓

Concrete demolition & removal

→

Concrete cutting / coring

→

Concrete sealing & waterproofing

→

Custom concrete countertops

→

Specialty Concrete Services Hiring Guide

📖 Overview

The scope of specialty concrete work is broader than most homeowners expect. Standard concrete contractors handle forming, pouring, and finishing flatwork; specialty contractors step in when the existing concrete needs to be modified, protected, removed, or transformed into an architectural feature. That distinction matters because the equipment costs, skill sets, insurance requirements, and even the disposal logistics differ dramatically from one specialty to the next. A contractor who excels at cutting control joints with a Husqvarna FS 7000 D walk-behind saw may have no business applying a crystalline waterproofing system to a below-grade foundation wall — and vice versa.

[Concrete demolition & removal](https://contractorsplanet.com/?service=concrete&subcat=specialty-concrete-services&subsubcat=concrete-demolition-removal-lead-price-1995) is the first child service under this category and covers the controlled breaking, hauling, and legal disposal of existing concrete structures. Whether the job is a cracked driveway, a deteriorating retaining wall, or a full basement floor replacement, demolition contractors use hydraulic breakers, rotary hammers, and — on reinforced slabs — plasma or oxygen-acetylene torches to cut rebar before debris is loaded and transported to a licensed C&D (construction and demolition) facility. In many municipalities, concrete waste must be separated from mixed debris under local solid-waste ordinances, and specialty demolition contractors handle that paperwork as a matter of course.

[Concrete cutting / coring](https://contractorsplanet.com/?service=concrete&subcat=specialty-concrete-services&subsubcat=concrete-cutting-coring-lead-price-2295) is a precision trade that uses diamond-tipped blades and drill bits to open penetrations for plumbing, HVAC sleeves, electrical conduit, and structural modifications without compromising surrounding material. Wall saws, wire saws, and core drills in diameters from 1 inch to 60 inches are standard tools of the trade. Because post-tensioned slabs carry live cable tension at 33,000 psi or more, cutting crews must obtain structural drawings and use ground-penetrating radar (GPR) — such as a GSSI StructureScan Mini XT — before making any cut. This is non-negotiable from both a safety and liability standpoint.

[Concrete sealing & waterproofing](https://contractorsplanet.com/?service=concrete&subcat=specialty-concrete-services&subsubcat=concrete-sealing-waterproofing-lead-price-1495) protects surfaces from moisture intrusion, freeze-thaw cycling, deicing salts, and chemical attack. The right product depends on substrate condition and exposure: penetrating silane-siloxane sealers (e.g., Prosoco Consolideck LSS) are favored for exterior flatwork in freeze-thaw climates, while crystalline admixtures such as Kryton Krystol or cementitious coatings like Xypex are specified for below-grade walls subject to hydrostatic pressure. Above-grade decks often receive a traffic-bearing urethane or polyurea membrane. ACI 515.2R and ICRI Guideline 310.2R provide technical benchmarks that qualified applicators reference when selecting products and surface-preparation methods.

[Custom concrete countertops](https://contractorsplanet.com/?service=concrete&subcat=specialty-concrete-services&subsubcat=custom-concrete-countertops-lead-price-2995) represent the artisan end of the specialty spectrum. Cast-in-place or precast methods each have trade-offs: cast-in-place eliminates seams but demands expert forming and a clean site, while precast allows a shop-controlled environment and a broader palette of aggregates, pigments, and embedded objects. Mix designs typically target 5,000–7,500 psi compressive strength using a water-cement ratio below 0.40, and finished surfaces are ground through progressively finer diamond tooling — often concluding with a 400- or 800-grit wet polish — before a food-safe sealer is applied. Lead times of three to six weeks are normal for custom pieces.

Across all four specialty services, regulatory variance is significant. Silica dust exposure during cutting and demolition is governed by OSHA's Respirable Crystalline Silica Standard (29 CFR 1926.1153), which mandates engineering controls, an Exposure Control Plan, and — on larger jobs — air monitoring. Contractors operating in California must also comply with Cal/OSHA's more stringent Table 1 requirements. Waterproofing applicators working on projects subject to IBC Chapter 18 may need a licensed waterproofing subcontractor credential, which varies by state. When vetting any specialty concrete contractor, confirm that their certificate of insurance lists both general liability (minimum $1 million per occurrence) and, where cutting is involved, a pollution liability rider that covers silica dust as a contaminant.

Choosing the right specialty hinges on the problem being solved. If concrete must go away entirely, demolition is the entry point. If an opening must be created without major disruption, cutting or coring is the answer. If surface degradation or water infiltration is the concern, sealing and waterproofing addresses the root cause. If the goal is a high-end functional surface, custom countertop fabricators are a completely different trade from the first three. For emergencies — a burst pipe that requires immediate core drilling or a flooded basement that demands urgent waterproofing intervention — ContractorsPlanet's network includes contractors who offer same- or next-day response. Related trades that frequently work alongside specialty concrete crews include [Masonry](https://contractorsplanet.com/?service=masonry), [Excavation](https://contractorsplanet.com/?service=excavation), [Plumbing](https://contractorsplanet.com/?service=plumbing), [Flooring](https://contractorsplanet.com/?service=flooring), and [Water & Mold Remediation](https://contractorsplanet.com/?service=water-mold-remediation) — all available through the same platform.

✅ What it covers

Site assessment, GPR scanning, and structural drawing review before any cutting or demolition begins
Obtaining permits for demolition, structural penetrations, or drainage modifications as required by local building departments
Equipment mobilization — hydraulic breakers, wall saws, core drills, slurry vacuums, or casting tables depending on the specialty
Silica dust exposure controls per OSHA 29 CFR 1926.1153, including wet methods, local exhaust ventilation, or supplied-air respirators
Reinforcement identification and safe handling — cutting rebar, relieving post-tension cables under controlled conditions, or embedding rebar in countertop forms
Surface preparation: scarifying, shot-blasting, or grinding to ICRI CSP 3–5 before sealer or waterproofing application
Product application or concrete casting using mix designs, cure times, and finishing schedules specified for the job type
Debris hauling and disposal at a licensed C&D facility, with weight tickets and manifest documentation where required
Post-installation inspection, testing (e.g., flood testing a waterproofed deck, hardness testing a countertop), and touch-up
Homeowner walkthrough covering maintenance schedules, re-sealing intervals, and warranty documentation

💵 Typical cost range

$800 to $12,000

Costs vary sharply by specialty. Concrete demolition and removal typically runs $2–$6 per square foot for a standard 4-inch residential slab, rising to $8–$15 per square foot for reinforced or post-tensioned concrete where rebar cutting and heavier equipment are required. Concrete cutting and coring is priced per linear foot of wall-saw cut ($18–$35/LF) or per core hole ($150–$600 depending on diameter and depth). Sealing and waterproofing ranges from $0.50–$2.50 per square foot for a penetrating exterior sealer to $8–$20 per square foot for a below-grade crystalline or membrane system. Custom concrete countertops command $75–$150 per square foot installed, with complex edge profiles, embedded aggregates, or cast-in sinks pushing prices to $200+ per square foot. Disposal fees, permitting, and GPR scanning ($400–$900 per mobilization) are typically billed separately.

🛡️ Hiring tips

Verify that the contractor holds the specific license your state requires for the specialty — demolition, concrete cutting, and waterproofing often fall under different license classifications
Request proof of general liability insurance ($1M+ per occurrence) and confirm the policy includes a silica dust or pollution liability rider for cutting and demolition work
Ask whether the contractor uses GPR scanning before any core drilling or wall-saw work — refusal to scan a post-tensioned slab is an immediate disqualifier
Get a written scope that specifies the product brand and grade being applied for sealing or waterproofing, not just a generic description like "sealer"
For countertop work, request photos of at least three completed pieces and ask to see the contractor's mix design and sealer specification in writing
Confirm that debris disposal is included in the quote and that the contractor can provide C&D facility weight tickets — unpermitted dumping can create liability for the homeowner
Check for OSHA 10 or OSHA 30 cards among the crew, and ask how the contractor documents their Exposure Control Plan for silica
Compare at least three itemized bids; a unusually low quote often signals missing line items like disposal, permitting, or mobilization for specialized equipment

More frequently asked questions

What is GPR scanning and why does it matter before core drilling?

Ground-penetrating radar (GPR) transmits high-frequency electromagnetic pulses into a concrete slab or wall and maps the reflected signals to identify rebar, post-tension cables, conduit, and voids before any cutting begins. In post-tensioned slabs — common in parking structures and mid-rise residential buildings — an undetected tendon carries live tension at roughly 33,000 psi. Severing one without a controlled de-tensioning procedure can cause a violent cable release and catastrophic slab failure. GPR scans are performed by the cutting crew or a third-party scanning company; expect to pay $400–$900 per mobilization. Any contractor who declines to scan a slab before coring is exposing you — and themselves — to serious safety and liability risk.

What's the difference between a concrete sealer and a waterproofing system?

Sealers are surface-applied or penetrating products designed primarily to repel water, deicing salts, and staining agents on above-grade flatwork — driveways, patios, pool decks. Penetrating silane-siloxane formulas like Prosoco Consolideck LSS bond chemically with the concrete matrix without forming a visible film. Waterproofing systems, by contrast, are engineered to resist hydrostatic pressure in below-grade applications such as foundation walls, basement floors, and plaza decks. Products like Xypex Concentrate or Kryton Krystol use crystalline chemistry to block water even under sustained pressure. Traffic-bearing urethane or polyurea membranes are a third category, used on occupied rooftop decks and parking structures. Specifying the wrong product for the exposure condition is the most common — and most expensive — mistake in this specialty.

How long does a custom concrete countertop take from order to installation?

Lead times for custom concrete countertops typically run three to six weeks from signed contract to installation day. The first week involves templating — the fabricator takes precise measurements of your cabinets and documents sink cutouts, edge profiles, and any embedded objects. Casting, initial cure (minimum 28 days for full strength, though accelerated mixes can be demolded in 18–24 hours), grinding through progressive diamond grits, and sealer application together account for the remaining time. Rush schedules are possible with accelerated admixtures but cost a 15–25% premium. Plan your countertop order before cabinets are installed so the fabricator has unrestricted access for templating — and keep the kitchen dry after installation for the sealer's full cure period, usually 72 hours.

What OSHA rules apply to concrete cutting and demolition work?

OSHA's Respirable Crystalline Silica Standard for Construction (29 CFR 1926.1153) is the key regulation. It requires employers to either follow Table 1 engineering controls — wet methods, integrated vacuum shrouds, and specific tool pairings — or conduct air monitoring and implement a written Exposure Control Plan. Workers exposed above the action level (25 µg/m³ as an 8-hour TWA) must be enrolled in a medical surveillance program. California's Cal/OSHA enforces stricter Table 1 requirements and imposes more frequent inspection intervals. On your jobsite, you should see wet-cutting or vacuum-attached equipment in use, workers wearing at minimum P100 half-face respirators, and a posted Exposure Control Plan. If none of these controls are visible, stop work and contact your contractor.

Can specialty concrete work be done inside an occupied home?

Yes, but with significant precautions. Core drilling and wall-saw cuts inside an occupied home produce slurry, vibration, and respirable silica dust that must be contained. Reputable contractors install polyethylene containment barriers, run negative-pressure HEPA air scrubbers (such as a Dri-Eaz DefendAir HEPA 500), and use wet-vacuum systems to capture slurry before it dries. Residents and pets should vacate the work area during active cutting; contractors must post air-quality clearance before re-occupancy, particularly when young children or individuals with respiratory conditions are present. For countertop installation inside an occupied kitchen, the main concerns are vibration during grinding and sealer offgassing — water-based sealers are preferred indoors, and 24–48 hours of ventilation is standard post-installation protocol.

How often does a concrete sealer need to be reapplied?

Reapplication intervals depend on product type, traffic, and exposure. Penetrating silane-siloxane sealers on an exterior driveway typically last five to ten years before water-beading performance drops noticeably — a simple bead test (does water still pearl up?) tells you when reapplication is due. Film-forming acrylic sealers on a decorative patio may need refreshing every two to three years because UV exposure and traffic abrade the surface layer. Polyurea and polyurethane traffic-bearing membranes on a rooftop deck or garage floor carry manufacturer warranties of five to fifteen years but should be inspected annually for bubbles, delamination, or cracking. Below-grade crystalline systems are generally considered permanent once the crystals have fully formed in the concrete matrix and rarely require reapplication unless the substrate is mechanically damaged.

🔗 Related Services

Visitors who came here often also needed:

→ Driveway → Pavers → Masonry → Excavation