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Parking Deck Repair and Resurfacing
Solutions · Parking structures
Parking Deck Repair & Resurfacing Products
Repair mortars, crack sealers, waterproof traffic coatings, silane sealers and expansion joints for parking garage repair and parking structure restoration. We supply the contractors and owners doing the work, with the Sika, Euclid, Five Star, Emseal and Tremco products that restoration specs name, ordered by level or phase and shipped for the weekend a deck is closed and has to reopen on time.
Working from a condition survey or repair spec?
Send it for project pricing or call 888-809-2365.
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Repair mortarsHorizontal, vertical and overhead concrete repairCrack repairHealer-sealers, injection resins and kitsDeck coatingsSikalastic vehicular and pedestrian traffic coatingsExpansion joint sealsEmseal and Willseal precompressed foam systemsJoint sealantsSelf-leveling and non-sag polyurethane sealantsConcrete repairBonding agents, corrosion protection and patchingCoatingsSteel touch-up and protective coatingsStructural strengtheningSika CarboDur carbon fiber systems
Spalls, delaminations and exposed steel
Concrete repair mortars for parking garage decks, beams and soffits
Most concrete parking garage repair starts with corrosion, the main cause of deterioration in parking structures. Deicing salt tracked in on cars carries chloride into the slab, the reinforcing steel corrodes and expands, and the concrete above it delaminates and spalls. Repairs follow the condition survey: sound and mark the delaminated areas, saw-cut the perimeter, remove concrete to behind the steel, clean and coat the bars, then place a mortar matched to the surface, the repair depth and how fast the level has to reopen.
Top-side deck and ramp repair
Vertical and overhead: beams, columns and soffits
Bonding and reinforcing steel protection
Before you order: SikaQuick 1000 is published for parking structure and ramp repairs, opens to vehicle traffic in about 6 hours at 73 °F and is extended with 3/8 in aggregate for deeper placements. SikaQuick VOH builds up to 3 in on vertical faces and 2 in overhead per lift. Sika Armatec 110 EpoCem coats cleaned steel and serves as the bonding primer. Quantities come from the survey: square feet of partial-depth, full-depth and overhead repair, and the average depth of each.
Cracked slabs and leaking levels
Crack sealing and epoxy injection
Cracks let water and chloride reach the steel and leak onto the cars below. Treat them by whether they move. Non-moving cracks in elevated decks are sealed by gravity with a low-viscosity healer-sealer; cracks that open and close are routed and sealed like joints or detailed into the traffic coating; structural cracks are pressure-injected where the engineer calls for it.
Healer-sealers, injection resins and kits
Before you order: Sikadur 55 SLV is published for elevated decks and parking garages, seals non-moving cracks by gravity down to 0.002 in wide and opens to traffic in 6 hours at 73 °F. Cracks wider than 1/8 in are filled with oven-dried sand first. Typical surface-sealing coverage is 150 to 175 sq ft per gallon; plan crack treatment by linear foot from the survey.
Resurfacing and waterproofing
Waterproof traffic coatings for vehicular and pedestrian decks
A traffic coating, or traffic deck coating, is an elastomeric membrane applied to concrete with aggregate in the wear surface. Most are polyurethane traffic coatings. The membrane waterproofs the deck, bridges hairline cracks and keeps chloride out of the concrete, which makes it the core of parking garage waterproofing over occupied space, on exposed roof levels and wherever a deck leaks onto the level below. Choose the system by the traffic it will carry, the UV exposure and how long the area can stay closed.
| Area | What to confirm | Usual direction |
|---|---|---|
| Drive aisles, ramps, turns and entrances | Heavy vehicular traffic and turning wheels. Sika's 720/745 AL system is built to 55 mils dry for heavy vehicular traffic, with 16–30 mesh quartz aggregate. | Sikalastic 720 Base with a 745 AL wear coat at heavy vehicular thickness, or Sikalastic 720 One Shot |
| Parking stalls and light vehicular areas | Car traffic without constant turning. The 720/745 AL system is built to 41 mils dry for heavy pedestrian and light vehicular traffic. | 720 Base and 745 AL at light vehicular thickness |
| Exposed roof level | UV exposure, ponding, and whether an aliphatic top coat is specified for color and gloss retention. | Aliphatic wear coat such as Sikalastic 745 AL, or 720 One Shot, which is aliphatic through the coat |
| Stairs, walkways and balconies | Foot traffic only; the 720/745 AL system is built to 35 mils dry for pedestrian traffic with 20–40 mesh aggregate. | Pedestrian system; Sikalastic 726 Balcony One Shot for balconies |
| Moisture in the slab | Concrete moisture content before priming. Sika publishes primer choices by concrete moisture content for its traffic systems. | Primer selected from the moisture reading, not by default |
Sikalastic traffic coating systems
One coat, open to traffic in 36 hours
Sikalastic 720 One Shot is a two-component, fast-curing, aliphatic polyurethane with integral texture for vehicular and pedestrian traffic. It replaces a base coat and multiple top coats with a single 45 mil application, meets ASTM C957 and opens to vehicular traffic after a minimum of 36 hours.
That turnaround is what makes it work on garages that stay open during restoration: one level or bay closes, is prepared and coated, and reopens before the next closes. Tell us the square footage by level and the closure schedule and we will size the kits and aggregate.
Also supplied by quote: Tremco Vulkem vehicular traffic coating systems, including the PUMA-based Vulkem EWS, which Tremco rates drivable one hour after the full system is installed. Not every system we supply is listed online yet; send the spec section and we will price it. Sikalastic wear coats come in gray, charcoal and tan, with tint bases for custom colors.
Before you order: cracks are detailed before the full coat. In Sika's 720/745 AL system, cracks up to 1/16 in get a detail coat of 720 Base about 4 in wide centered on the crack; cracks and joints from 1/16 to 1 in are routed and sealed with Sikaflex first. Expansion joints are carried up through the coating, not covered. Order primer, aggregate and the wear coat with the base coat, not after.
Chloride and water protection
Silane sealers and corrosion inhibitors
Where the deck does not need a membrane, a penetrating silane concrete deck sealer reduces water and chloride absorption without changing the surface. Silanes are breathable, invisible and traffic-ready within hours, which makes them the usual treatment for supported levels and slabs on grade. They do not bridge cracks, so moving cracks and joints are sealed before the silane goes down.
Penetrating sealers and surface-applied inhibitors
Before you order: Sikagard 705 L and Euclid Baracade Silane 100 C are both roughly 100 percent silane. Baracade is traffic-ready about 4 hours after application at 75 °F. Sika FerroGard 903 is applied to hardened concrete ahead of a sealer or coating and migrates to the steel; residue is removed before the next product goes on. Coverage depends on porosity, so a test area sets the rate.
Control, construction and expansion joints
Joint sealants and parking garage expansion joint repair
Failed joints are the most common source of leaks in a parking structure. Control and construction joints in cast-in-place decks, tee-to-tee joints in precast double-tee decks, cove joints at walls and curbs, and the building's expansion joints each need a sealant or system sized to their movement.
| Joint | What to confirm | Usual direction |
|---|---|---|
| Control and construction joints in the deck | Joint width and depth, backer rod size, and the slope; self-leveling grades are limited on ramps. | Self-leveling polyurethane such as Sikaflex 2c SL |
| Cove joints at walls, curbs and columns | Vertical or sloped faces, and whether the cove is sealed before the traffic coating is applied. | Non-sag polyurethane such as Sikaflex 2c NS |
| Tee-to-tee joints in precast decks | Joint opening and movement at each tee, and the condition of the flange edges. | Routed polyurethane joint, or Emseal DSM where the caulk joints keep failing |
| Building expansion joints | Nominal opening, movement, and the transitions at curbs, walls and changes in plane. | Emseal DSM for 1/2 to 4 in openings; larger openings need a covered system |
Deck joint sealants and expansion joint systems
Before you order: Sikaflex 2c SL meets ASTM C920 Type M, Grade P, Class 25 and is poured with bond breaker or backer rod in the joint. Emseal DSM is a precompressed, silicone-faced foam adhered to the joint faces with epoxy, with no metal anchors in the slab, and handles +50/−50 percent of its nominal size. Take joint lengths by width from the survey, and order DSM by size and linear foot.
Spec crosswalk
Find the section, find the product
Restoration specs are organized by MasterFormat section. These are the sections that name the products on this page, and where each one lives on our site.
| Section | What it covers on a parking structure | Brands we stock | Shop |
|---|---|---|---|
| 03 01 30 Maintenance of Cast-in-Place Concrete | Partial-depth, full-depth and overhead repair; bonding agents and reinforcing steel coatings | Sika, Euclid, Five Star | Repair mortars |
| 03 64 00 Injection Grouting | Epoxy injection of structural cracks; gravity-fed crack sealing of decks | Sika, Euclid, Prime Resins | Crack repair |
| 07 18 00 Traffic Coatings | Vehicular and pedestrian membranes on roof levels, ramps, drive aisles and stairs | Sika, Tremco | Deck coatings |
| 07 19 16 Silane Water Repellents | Penetrating sealers on supported levels and slabs | Sika, Euclid | Concrete finishing |
| 07 92 00 Joint Sealants | Control, construction, cove and tee-to-tee joints | Sika, Tremco | Caulks and sealants |
| 07 95 00 Expansion Control | Deck and building expansion joints | Emseal, Tremco Willseal | Expansion joint seals |
Project orders
Send your survey or repair spec for project pricing
Send the specified products and quantities for the levels or phases of the parking garage restoration you are pricing. If the coating system or repair mortar is still being chosen, include the spec section, the traffic on each level and the closure schedule, and we will help select it.
Include with your request
- Spec section, product and unit size
- For repair: square feet of top-side, full-depth and overhead repair and average depth
- For coating: square feet by level, traffic type and coating system
- For joints: linear feet by joint type and width
- Phasing, delivery ZIP and required-on-site dates
Parking deck repair questions
What is a traffic coating?
A traffic coating is a liquid-applied elastomeric waterproofing membrane, usually polyurethane, with aggregate broadcast into the wear coat for skid and abrasion resistance. It is applied to concrete parking decks, ramps, plazas and balconies to keep water and chloride out of the slab and off the space below. Systems are built thicker for vehicular traffic than for pedestrian traffic.
What causes parking deck deterioration?
In most garages it is chloride from deicing salt. Salt water tracked in on vehicles soaks into the slab through the surface, cracks and failed joints, the reinforcing steel corrodes and expands, and the concrete above it delaminates and spalls. Repair removes the damaged concrete; sealers, coatings and sealed joints keep the chloride out afterward.
Do I need a traffic coating or a penetrating sealer?
A traffic coating is a waterproofing membrane: use it over occupied space, on the exposed roof level and wherever the deck leaks onto the level below. A penetrating silane sealer reduces water and chloride absorption on levels that do not need a membrane, is invisible, and is traffic-ready within hours. Many restoration specs use both on different levels.
How soon can a repaired area reopen to traffic?
It depends on the product and temperature. At about 73 °F, SikaQuick 1000 opens to vehicles in about 6 hours and Sikadur 55 SLV in 6 hours; Baracade Silane 100 C is traffic-ready about 4 hours after application at 75 °F; Sikalastic 720 One Shot needs a minimum of 36 hours before vehicular traffic. Cold weather lengthens all of these.
How thick should a parking deck traffic coating be?
Build it to the traffic. Sika's 720/745 AL system is specified at 35 mils dry for pedestrian traffic, 41 mils for heavy pedestrian and light vehicular traffic, and 55 mils for heavy vehicular traffic, excluding aggregate. Sikalastic 720 One Shot builds 45 mils in one coat.
Can a traffic coating go over cracks?
Yes, after the cracks are detailed. In Sika's 720/745 AL system, cracks up to 1/16 in get a detail coat of 720 Base about 4 in wide centered on the crack, and cracks from 1/16 to 1 in are routed and sealed with Sikaflex before the detail coat. Expansion joints are carried up through the coating rather than coated over.
How do I stop leaks at precast double-tee joints?
Tee-to-tee joints are usually routed, cleaned and resealed with a polyurethane joint sealant over backer rod. Where caulk joints keep failing, Emseal DSM is used as a lasting replacement: a precompressed, silicone-faced foam adhered to the joint faces for openings from 1/2 to 4 in.
What does routine parking garage maintenance include?
Periodic condition assessments by an engineer, washdowns to remove deicing salt, resealing failed joints and cracks, repairing new spalls before they spread, recoating worn traffic coating in drive aisles and turns, and reapplying penetrating sealers on the schedule the manufacturer recommends. Catching joint and coating failures early keeps chloride away from the reinforcing steel.
Can you ship materials by level or phase?
Yes. Repair mortar ships by the pallet and coatings by the kit on common-carrier freight, scheduled to your closures. Give us the delivery ZIP, receiving hours and required-on-site date for each phase with the order.
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