K.R. Swerdfeger Construction has extensive experience in a wide range of trenchless technologies including renewal of pipelines, manholes, tanks and other deteriorated surfaces by use of coatings.

KRSC offers two options for coatings that can be used separately, or in combination for outstanding renewal results:

Quadex Aluminaliner
Quadex Aluminaliner is a fiber reinforced, 100% calcium aluminate mortar designed to protect against hydrogen sulfide gas, add structural integrity and stop infiltration. Quadex coating is recommended for vertical and overhead repairs to concrete or masonry sewer structures such as manholes, wetwells, pipe and treatment plant structures where corrosion is a problem. It offers uniformed results, low permeability, plus compression, flexural and bond strength. It has an excellent freeze/thaw and abrasion resistance.

Raven 405 is a solvent-free 100% solids, ultra high build epoxy coating with high physical strength and a broad range of chemical resistance. 405 exhibits superior bond to concrete, steel, masonry, fiberglass and other surfaces. It is formulated to provide structural renewal for severely deteriorated wastewater infrastructure. Designed for operating temperatures up to 200°F, 405’s unique ultra high-build ability allows it to be spray-applied on vertical and overhead surfaces. The surface tolerance and high physical strengths of 405 allow it to be designed as a structural lining in manholes, pipelines, tanks and other deteriorated structures.