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ProBlock Interior Oil-Based Primer

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ProBlock® Oil-Based Primer seals out water sensitive and dried water stains, smoke stains, grease, ink and related odors. The topcoat end result is a uniform finish.

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Product Details
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- Blocks stains and offers an economical price point
- Dries quickly and assures a uniform finish
- Seals out water sensitive stains, dried water stains, smoke stains and related odors, grease, ink, and pencil stains
Product Literature (pdf opens in new window)

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Data Sheets are available in multiple languages. To view in a language other than USA - English, please select the appropriate country and language from the drop down menus.

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650993058 GHS-SDS -- EDS 650133382 GHS-SDS PDS EDS 650133390 GHS-SDS PDS EDS 1411669 GHS-SDS PDS EDS

Product #	Sales Number	Container Size	Base	GHS-SDS	PDS	EDS

Environmental & Specifications
Although we've taken local and national VOC (volatile organic compound) regulations into consideration, such as the Ozone Transport Commission Specifications (OTC), because these regulations vary greatly around the U.S. and are subject to change, we suggest verifying that product selections meet the requirements of the area in which they are to be used.
- LEED® and other Green Program Specifications
- Division 9 and 7 Finishing Guides
- Standard Specifications
- Ozone Transport Commission (OTC) Specifications
- CARB
- SCAQMD
To learn more contact your local Sherwin-Williams Sales Rep or Call 800-524-5979.
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Tips & Advice

Primer Selection
With many different primers specifically formulated for every interior or exterior substrate condition and desired result, our primer system makes it easy to choose the right primer for every job. Learn More

Cover Your Bases
Improve the accuracy of your colors with the right gray shade of undercoat. Learn More

Surface Preparation
Helpful information on how to properly prepare the surface you need to coat. Learn More