NorØrn The Problem Modern fishing boats are more or less floating food-processing factories. Most of the North European and Canadian fishing fleets operate in arctic waters, where the outdoor temperatures can be very low; -30°C or below. The climate inside the ship is room temperature and the relative humidity, RH, is generally rather high due to the processing of fish. It is unavoidable that vapour...

Kristian Gerhard Jebsen Skibsrederi use Kefa in their Gear Bulk ships for transportation of paper and pulp. The first series of three bulk ships were built in 1990/91. When in 2000 a new series of similar ships were to be built Kefa was specified as condensation protection, due to the good experience of the product. The Problem Paper pulp release large quantities of water during the transport. This water condenses in the roof of the...

Aircraft Hangar NATO Air force, UK The treatment was done in 1981. The picture was taken during the application work. The problem The hangar is a concrete construction with a mold cast of steel on the underside of the roof. During the cold season these constructions are exposed to condensation. The cold accumulated in the concrete makes the underside of the roof much colder than the indoor air. The problem increases when the aircrafts are...

Blair Middle School Norfolk, VA Existing Conditions: Existing ceilings are at a height of 14’ and contained low levels of lead in the older coatings. The coatings were loose and flaking at various areas on the ceilings and the area of walls above the 9’ level was in generally good condition. ACT ceilings were to be installed at the 9’ level and the area above would be used as a HVAC plenum. There were two concerns, the first was the...

Aurora Hospital, Oconomowoc, WI Kefa Installation to Plenum Winter 2008/09 Location: Oconomowoc, Wisconsin Architects: Albert Kahn and Associates General Contractor: M. A. Mortenson Painting Contractor: Hess Sweitzer Looking north in tunnel/duct to be Kefa coated. Conditions: Newly constructed concrete plenum located in the basement area is subject to condensation when conditions are favorable. Albert Kahn and associates specified KEFA...