Loxon® Block Surfacer

Loxon® Block Surfacer

Save time, extend your exterior painting season and solve your fresh mortar problems with Loxon Block Surfacer. This sealant can be applied to fresh mortar after just 7 days, allowing you to turn jobs around faster and deliver a finished project sooner. Loxon weighs 1/3 less than other block filler products and backrolls faster with less effort and has excellent pore filling characteristics. Loxon Block Surfacer reduces topcoat usage, and helps prevent alkali burn.

Product Features

  • Excellent filling and sealing properties
  • Lightweight technology acrylic resin weighs 30% less than concrete block fillers
  • Alkali resistant (from 8 to 13 pH)
  • Use at temperatures down to 35° F
  • Allows topcoating with all types of finishes, including high-performance epoxies
  • For interior and exterior poured and precast concrete, concrete block, cinder block and stucco

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MSDS & Data Sheets

Product Number Base Size** MSDS PDS EDS
A24W00200 White 5 Gallons MSDS PDS EDS

** Not all sizes available in all areas.

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.

To learn more contact your local Sherwin-Williams Sales Rep or Call 800-524-5979.

Ratings & Reviews

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Projects and More

Know Your Substrates

A guide to coating five of today's most popular exterior surfaces.

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Surface Preparation

Helpful information on how to properly prepare the surface you need to coat.

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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.

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Exterior Primers

Curb appeal starts here.

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