Welcome to Straight Line Caulking and Waterproofing

StraightLine Caulking and Waterproofing Inc. was established in December of 1997. We have over twenty five years of work experience in all aspects of commercial and residential waterproofing. Please visit our Services and Portfolio pages for examples of our work.

Projects of all sizes will benefit from the dependable experienced team of Straight Line Caulking and Waterproofing.

The Cathedral of Christ the Light, Oakland Ca,
View from Lake Merritt Catholic Diocese of Oakland
General Contractor: Webcor

“The installation of the floor expansion joints of the interior santuary was as asthetically good as I've seen in my 24 years in the business.”

— Kelly J., Pecora Corporation