Madewell 927 is a penetrating epoxy primer and sealer for porous substrates such as wood, concrete, and other cementitious surfaces. Madewell 927 is recommended as a concrete primer under many Madewell epoxy coating systems used on zoo and aquarium structures.

Madewell 927 product data PDF Download our product detail sheet (37 KB, opens in separate window).

Product Overview

Coating Type

100% solids, two-component penetrating epoxy primer/sealer


4.5 gallon kits standard; special packaging available


Approximately 250 square feet per gallon on new, dense concrete; approximately 150 square feet per gallon on old, porous concrete

Mix Ratio

2 parts A to 1 part B by volume


Amber/semitransparent (depends on the thickness and porosity of the substrate)

Working Time

Approximately 45 minutes at 70º Fahrenheit

Application Equipment

Contact us for information on the proper equipment to apply this product.