PROTECRETE Densifier Product Information Sheet

What it does
The Densifier (formerly called Concrete Densifier Sealer) is the premiere sealing and curing product available for today's (and tomorrow's) concrete. While other sealers merely sit on the surface after application, the Densifier has been shown to penetrate up to 7 inches (200 mm). Once it gets down into the concrete, it forms a gel-like barrier which prevents water and other harmful agents from entering. This is how the Densifier waterproofs and seals the concrete from the inside.

Even though the Densifier makes concrete virtually impermeable, it still allows the concrete to breathe. This is important because concrete expands and contracts, especially during freezing and thawing. If the concrete doesn't breathe, moisture within the concrete becomes trapped, building up pressure and then exploding, causing cracking and spalling. Concrete treated with the Densifier does not become brittle, unlike many other sealers.

How it works
How does the Densifier penetrate so deeply when others do not? When concrete hardens, it forms a curvy capillary system through which water and air can pass, much like the capillary system in the human body. The molecules of traditional sealers are pencil-shaped and stop penetrating as soon as they hit a curve in the capillaries. We've created a solution, however, whose molecules are sphere shaped like microscopic ball bearings. These molecules are free to move through and fill the tiny capillaries, traveling deeper and deeper until all of the solution is used or runs out.

Other important things you'll benefit from
The Densifier is the most economical solution you can buy. This is because you only have to apply it once, not every year or even 10 years. It never wears away, since it has penetrated and become a part of the concrete. Other sealing products have to be applied again and again, and that cost adds up.

The Densifier helps protect concrete against road salt, airport de-icing solutions and other chloride and non-chloride solutions.

Safety is another feature of the Densifier. It's safe to apply since there are no fumes (in fact, it's completely odorless) and it's completely non-toxic. This makes it perfect for projects involving food service or requiring a safe environment for children or pets.

The Densifier will not impair surface traction or bonding ability. This is especially helpful when using paint, polyurethanes, epoxies and adhesives.

Special situations
The Densifier is also available with added ingredients for special circumstances:

1. Densifier plus Repeller: This is available only for green (new) concrete and helps keep the concrete cleaner. It acts as a cure, hardener and sealer. It can be applied as soon as the finisher is done.

2. Densifier for Rebar: This solution penetrates deeply into the concrete to help prevent corrosion/further corrosion of the rebar, without removing the old concrete!

3. Densifier plus Cleaner: This added ingredient will emulsify and clean the concrete in a one-step process while it densifies and seals.

What it is
The Densifier is a cloudy white (which dries clear), non-petroleum, odorless, environmentally neutral (safe) penetrate in a colloidal liquid base.

How to use
The Densifier is easy to apply. You should use a medium- to high-pressure airless paint spray unit complete with fan spray nozzle (suggested tip size of .019) at the rate of 200 square feet per gallon. Begin applying at the lowest level elevation, e.g., walls and slopes should be applied from side to side, from the bottom up, with spray patterns overlapping 10 to 15 percent.

Note: In hot climates, mist-wet the surface with water and remove any puddles prior to application.

If using on green (new) concrete . . .
Apply the Densifier using a low- pressure, non-atomizing spray apparatus, such as a pump-tank sprayer, a mechanical cure/slurry pump or a medium-pressure airless spray unit.

You should apply the Densifier to the newly poured concrete surface as soon as is practical following surface finishing. If you have to walk on the surface to apply the product, allow the concrete time to adequately harden so you won't imprint or mar the surface while applying. Our recommended coverage rate as a cure method is 200 square feet per gallon with patterns overlapping 10 to 15 percent.

Packaging and availability
The Densifier is available from authorized distributors of Applied Concrete Technology, Inc. in 5-gallon pails and 55-gallon drums.

Flammability
The Densifier is not combustible or flammable. It has no flash point.

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