BEHR® Multi-Surface Stain-Blocking Primer & Sealer No. 436

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For a versatile primer that's excellent for stain-blocking, adhesion and sealing Interior/Exterior surfaces, choose BEHR Multi-Surface Stain-Blocking Primer & Sealer. This 100% styrene acrylic formula resists medium to heavy stains, and can even be used on metal, aluminum and to cover old oil-based paint. It's also tintable, so it's great when you're looking to make a color change. This is also a low odor, low VOC formula.

Finish
Dries to a non-reflective sheen which minimizes the appearance of minor surface imperfections.
Best for use in
Over properly prepared uncoated and previously painted interior/exterior surfaces
Coverage
250-400 Sq. Ft. per Gallon

Read important application instructions to ensure optimum paint performance.

Technical Data Sheets

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Product Certifications & Declarations

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Product Usage

Clock icon

30 Min Dries to Touch
1 HR Ready to Topcoat

Paint coverage icon.

250-400 Sq. Ft 
Coverage per Gallon

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Soap & Water
Clean-Up

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Protect
from Freezing

Where to UseBlank space if empty.
  • Over properly prepared uncoated and previously painted Interior/Exterior surfaces.
  • Ideal for Masonry, Stucco, Drywall, Galvanized Metal, Ferrous Metals, Vinyl, Aluminum, Wood, Concrete and on glossy surfaces or oil-based paint.
  • Bright or deep colors require a tinted primer.
  • Have primer tinted close to topcoat color with no more than 4 ounces of colorant per gallon.
Usage SummaryBlank space if empty.
PreparationBlank space if empty.
  • All surfaces should be properly prepared and cleaned.
  • Remove loose paint, wash off chalk, dirt, and grease with detergent, rinse and allow to dry.
  • Remove mildew stains with a mildew stain removing product.
  • Scuff sand glossy and metal surfaces and repair imperfections.
  • Remove all dust with a damp cloth, allow to dry.
  • Allow new masonry stucco, concrete, concrete masonry units (CMUs), and split-faced block to cure for 7 days and test pH prior to applying primer.
  • The pH must be 13.0 or lower before coating.
  • Remove efflorescence with a mixed solution of one part vinegar and one part water, rinse thoroughly with clean water and allow to dry.
  • FOR EXTERIOR SURFACES: For new or uncoated wood, use a product such as BEHR PREMIUM® No. 63 All-In-One Wood Cleaner.
  • Etch galvanized metal with a concrete and masonry cleaner and etcher. 
ApplicationBlank space if empty.
  • Apply when air and surface temperatures are between 35-90°F (2-32°C).
  • Use a high quality 3/8-1/2" nap roller cover, nylon/polyester brush or an airless sprayer (.015-.021" spray tip, 60 mesh filter).
  • Stir primer occasionally.
  • Do not thin if using a roller or brush; however, if using a sprayer and thinning is required, thin with water at a rate of no more than 1/2 pint per gallon.
  • Spot prime patched areas first, then follow with a complete primer coat.
  • Two coats may be needed over heavy stains and tannin-rich wood.
  • On stained surfaces, topcoat in 4 hours; for heavy stains, topcoat in 16 hours.
  • Topcoat within 30 days.
DisposalBlank space if empty.
  • For disposal of empty containers, unused paint and soiled rags, contact your household refuse collection service.

 

Read Application Instructions

LIFETIME LIMITED WARRANTYBlank space if empty.

Behr Process Corporation warrants to you, the original residential consumer purchaser, the performance of this product as described on this label for so long as you reside in your home. THIS WARRANTY IS NOT VALID WHEN THE PRODUCT IS NOT PROPERLY APPLIED TO A PROPERLY PREPARED SURFACE OR CARED FOR IN ACCORDANCE WITH THE LABEL DIRECTIONS. This warranty is not transferable. If this product is found not to perform as specified on the label during the warranty period, Behr Process Corporation will, at its option and upon presentation of proof-of-purchase (the original receipt), either furnish an equivalent amount of new product or refund the original purchase price of this product to you. This warranty excludes (1) labor and costs of labor for the application or removal of any product, and (2) any incidental or consequential damages, whether based on breach of express or implied warranty, negligence, strict liability or any other legal theory. Some states do not allow the exclusion or limitation of incidental or consequential damages, so the above limitation or exclusion may not apply to you. This warranty gives you specific legal rights and you may also have other rights, which vary from state to state. Note to residents of the State of New Jersey:  The provisions of this warranty, including its limitations, are intended to apply to the fullest extent permitted by the laws of the State of New Jersey. To obtain warranty service, call 1-800-854-0133. Behr Process Corporation reserves the right to inspect any and all application of the product prior to processing your claim made under this warranty.

Read Warranty Information

BEHR® Multi-Surface Stain-Blocking Primer & Sealer is rated 4.6 out of 5 by 61.
Rated 5 out of 5 by from Great Coverage! I used this to prime/seal drywall in my garage prior to painting. It covered and sealed the drywall very well and was easy to paint over. Been a couple months now and the wall looks great!
Date published: 2019-05-22
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