Extreme Block™ Interior/Exterior Stain Blocking Alkyd Primer

Sherwin-Williams

Sherwin-Williams remains committed to the architect community as together we navigate a new way of working. From virtual options for continuing education courses to product specification needs, ask and your Sherwin-Williams Account Executive will answer (visit Sherwin-Williams website for a Rep list).  As always, you can also continue to access tools and resources 24/7 using mySW.com to order fandecks, designer tools, catalogs, oversized color samples and more.

Extreme Block™ Stain Blocking Primer/ Sealer is a versatile indoor/outdoor formula that has the power to seal off stubborn stains like smoke, fire and nicotine and blocks tannin bleed from bare wood. This quick-dry alkyd coating can prime the surface and be top coated in less time than conventional two-coat systems, making it ideal for multi-family property managers, facility maintenance crews and residential repainters who need to quickly restore properties to a fresh condition.