Get a quote
Concrete and surfaces

Six products, one complete system

Clean, control algae and mildew, and waterproof concrete. Each product solves one part of the concrete problem.

Josh Zero Algae
Exterior · Maintenance

Josh Zero Algae

“The lazy person's product”: apply it with a low-pressure sprayer and the rain, sun and morning dew do the rest. It kills fungus at the root and keeps surfaces clean for longer.

View product
Con-Creto Deep-Kleen
Deep cleaning

Con-Creto Deep-Kleen

Apply, wait about 15 minutes and pressure wash. It removes contaminants and oil from concrete and leaves the surface ready to seal or paint.

View product
Con-Creto Molecular Sealer DPS
Flagship product

Con-Creto Molecular Sealer DPS

Deep-penetrating crystalline waterproofing system. It blocks moisture, stops carbonation and concrete dusting, and densifies the structure from within.

View product
Con-Creto Top Sealer Premium
Water-repellent sealer

Con-Creto Top Sealer Premium

Clear, odorless, water-repellent sealer for concrete, stone, pavers, brick and block. It repels water and stains without adding shine or a wet look.

View product
Josh Restore
Rust remover

Josh Restore

Removes and prevents rust stains from well water and sprinklers, with no scrubbing.

View product
Josh Solar Panel Cleaner
Solar panels

Josh Solar Panel Cleaner

Ready-to-spray cleaner for solar panels, glass, metal and plastic. No ammonia or phosphates.

View product

Works on

RoofsConcreteSidewalksDrivewaysStuccoBrickVinyl sidingWoodDecksFencesStonePavers

Floridacompany founded in the USA

Testsindependent lab testing

Zero odorlow VOC and eco-friendly

Construction worker in a hard hat and safety vest with the Con-Creto Molecular Sealer logo
Why choose us

We don't make concrete. We make it better.

Products that block moisture from the inside and eliminate fungus from the outside, without constant pressure washing. In-house formulas created in the USA to protect your investment for longer.

The problem

A hidden problem. A real cost.

Moisture, pH, relative humidity (RH) and concrete dusting are common causes of floor and coating failures.

Moisture-related floor coating failures cause over $1 billion in damage every year.

Source: Star Commercial Flooring.

MoisturepHRH (relative humidity)Dusting
Moisture penetratesWeakens the concreteCauses coating failures
Solutions

What problem does your surface have?

Pick an option and we'll recommend where to start.

See all solutions

Before and after

Real results, real projects

Real projects on concrete, wood, roofs and more.

Before
Before
After
After

Roof

Before
Before
After
After

Concrete wall

Before
Before
After
After

Wood

Before
Before
After
After

Tomb in Puerto Rico

Before
Before
After
After

Driveway

See results and tests

Where it is used

Bridges, buildings, parking structures, highways, ports and more: concrete structures in sound condition.

Bridges

Bridges

Buildings

Buildings

Government structures

Government structures

Industrial structures

Industrial structures

Parking structures

Parking structures

Roads and highways

Roads and highways

Airports

Airports

Ports and docks

Ports and docks

Treatment plants

Treatment plants

Dams and canals

Dams and canals

Schools

Schools

Commercial and residential

Commercial and residential

Contact

Let's talk about your project

Tell us what you need and we'll reply soon.

Con-Creto mascot in a hard hat giving a thumbs up