Archive for February, 2015


The Jack Pauhl Drywall Primer Guide

Drywall Primer Guide Jack Pauhl

Overview

The Drywall Primer Guide (also The “B” Test;)[1] is the result of an in-depth analysis of 32 drywall primers to determine if drywall primer is adequate for sealing and equalizing differences in porosity, suction of panel paper, and joint compound(s).

The “B” Test reveals if drywall primer provides an adequate[2] bond with the panel paper and joint compound(s). In addition, to determine if a change in gloss or sheen occur over higher-suction areas.

To help determine the root cause of common problems associated with painting drywall, what follows is a physical description of each defect, along with an overview of contributing factors causing unsatisfactory results.