*Coverage rate depends on the porosity of your surface. Click here to learn more about testing the porosity of your surface.
To calculate how much sealer you may need for your project click here.
1. PREPARE &TEST
The surface to be sealed should be properly cleaned before the sealer is applied. The surface should be free of dirt, oil, contaminants, and any other substance that could interfere with the sealer penetrating the pavers as intended. Ensure that the surface has not been recently sealed. If there is evidence of a previous sealer on the surface, remove prior to application of the sealer. If this product is applied over previously sealed surfaces, adherence issues may occur. Do NOT use PRO TECH SERIES sealers if the surface has previously been sealed with a solvent-based sealer. Protect surfaces not intended to be sealed. Cleaning can be performed the day before or the same day as the sealing. It is acceptable to seal the damp surface if there is no standing water; however, to obtain optimal performance, a drier surface is better.
The surface temperature should be between 50-115° F (10-46° C) and should not drop below the minimum temperature for 48 hours from the start of application. If the temperature is above 115° F, use water to cool the surface to the proper temperature.
Perform a small test area (at least 2 sq. ft.) using the product to ensure suitability and the desired results prior to full application. Test for application coverage rate. Use the same preparation, equipment and conditions expected during the entire application. Due to the wide variety of substrates, preparation methods, application methods and environments, test the product in an inconspicuous spot for penetration and compatibility prior to full application.
HORIZONTAL SURFACES: Do NOT Dilute or alter the product. Shake the PRO TECH SERIES container prior to use as some settling may have occurred. Note that this product prevents water penetration of the surface, resulting in a beading effect. Generally, apply one light coat of sealer to unpolished stone, flagstone, exposed aggregate and travertine surface. Ensure smooth application rate of sealer at the coverage rate of 400 - 800 square feet per gallon per coat with a sprayer (depending on porosity; dense surfaces achieve higher coverage rates). If spraying, use even, broad strokes to avoid streaking. If rolling, keep a wet edge during application to avoid streaking. If product puddles or drips on the surface, back-roll to smooth out excess product for even coverage. DO NOT FLOODCOAT. If a light rain occurs more than an hour after sealing, then there should not be any issues. The sealer may turn white, but it will dry clear once the moisture escapes.
DO NOT OVER APPLY. Additionally, we recommend applying a texture additive such as Diamond Grit in the final coat to increase traction on particularly smooth surfaces or areas prone to slipping, like pool decks, sloped areas or stairs.
VERTICAL SURFACES: Apply the material from the bottom of the wall upwards spraying so that it will run down the surface at least six inches below the spray pattern. After applying one coat, wipe the access off with a non-linting cloth to avoid streaking. See above instructions for more information on applying the product.
3. CLEANUP & MAINTAIN
Place any unused sealer back into original container to store for future use. Clean equipment thoroughly until free of sealer residue. Sealer will stain clothing, but can be removed from skin with a mild cleaner. Store in a cool, dry place, but do not let the product freeze; and dispose of properly if it is allowed to freeze. If product freezes, do not use and dispose of properly. Please note: Waste from this product is not hazardous as defined under the Resource Conservation and Recovery Act (RCRA) 40 CFR 261. Incinerate in approved facility. Do not incinerate closed container. Dispose of in accordance with Federal, State/Provincial, and Local regulations regarding pollution. Remove oil and other fluids from the sealed surface as soon as possible using a mild cleaning agent. Avoid pressure washing pavers for 45 days following sealing. Do not use harsh chemicals (e.g., paint thinners, strippers, solvents) on the sealed areas.
Why is only one coat recommended?
We recommend only one coat because stone is a very dense surface and does not need extra coats like porous surfaces. One light coat will provide the correct amount of sealer needed for stone surfaces.
What happens if I apply too much sealer?
This will significantly increase product dry & cure times, can cause adhesion issues and will not achieve desired results.
Can the sealer be applied onto damp surfaces?
The color-enhancing sealers can be applied to damp surfaces if there is no standing water. However, it is recommended to have the surface as dry as possible to ensure the product will absorb thoroughly.
What do I do if there are white spots on my newly sealed surface after it rains?
Leave the surface alone. It will dry clear so no attention is needed. This should not reoccur after 30 days.
How do I prevent streaking?
Streaking generally occurs when the product is applied in an uneven manner. To avoid this, apply sealers with a sprayer. Then, back roll the product (keeping a wet edge) after spraying to prevent streaking.
Do I have to strip sealer each time before resealing?
No, if you are resealing using the same Black Diamond Coatings product. However, if sealing over an older sealer or solvent based sealer, stripping may be necessary if previous sealer remains on the surface.
How do I clean my sprayer?
Use warm water and soap or a light household cleaner.
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