German Smear Brick Floor . @terriosullivandesigns says that a german smear was applied to the exterior of this house before adding a second floor. Compared to the cost of painting or refinishing your brick exterior, applying a german smear is relatively inexpensive. Image result for german schmear brick edmond ok House exterior from www.pinterest.com Some time n work it will get fixed. Generally, the mixture should be 70% water and 30% mortar. You’re looking for a consistency like peanut butter.