Phenolic Foam Roof Insulation Corrosion

Phenolic Foam Remediation And Repair How To Identify Stop And Repair Sulphonic Acid Corrosion On Roof Decking Us Coatings

Phenolic Foam Remediation And Repair How To Identify Stop And Repair Sulphonic Acid Corrosion On Roof Decking Us Coatings

The Aftermath Of Phenolic Foam Professional Roofing Magazine

The Aftermath Of Phenolic Foam Professional Roofing Magazine

Phenolic Foam Insulation Revisited Buildinggreen

Phenolic Foam Insulation Revisited Buildinggreen

Uniform Roof Deck Corrosion Observed Under Phenolic Foam Insulation Download Scientific Diagram

Uniform Roof Deck Corrosion Observed Under Phenolic Foam Insulation Download Scientific Diagram

Deck Restoration Inc

Deck Restoration Inc

Kingspan Kooltherm Phenolic Foam Rigid Insulation Greenbuildingadvisor

Kingspan Kooltherm Phenolic Foam Rigid Insulation Greenbuildingadvisor

Kingspan Kooltherm Phenolic Foam Rigid Insulation Greenbuildingadvisor

When it was installed over a lightly primed painted metal deck any water in the roof system from above moisture from operations or humidity within the building activated chemicals in the phenolic foam which caused corrosion of the metal deck.

Phenolic foam roof insulation corrosion.

It has a very low thermal conductivity and an exceptionally low flammability. Wt phenolic foam is a closed cell type rigid foam made of phenolic resin and flame retardant foaming agent curing agent and other additives. The phenolic insulation also has a history of crumbling and easily crushes when walked on leaving a residue on the decking. Once a property is identified as part of the class action lawsuit it becomes an issue should the.

While roof systems containing phenolic foam roof insulation may be in good shape it is important to repair and remediate decks as soon as possible. This residue is present regardless of whether the insulation has been crushed or not. 1 the discovery of corrosion of the. In order to have corrosion three things are required oxygen moisture and a catalyst.

Corrosion science is an exceptionally complex subject and the corrosion process takes many forms depending on a range of factors such as the presence of inclusions or surface contamination on the. Phenolic insulation as part of the sys tem. W t phenolic foam panel 65kg m3 5 nominal densities 20 30mm thickness cfc hcfc free rigid phenolic insulation core with ozone permeability potential 80 micron aluminum foil facing both sides. The rooftop of the test hut where 8 different types of phenolic foam rigid insulation underwent a corrosion test.

Phenolic foam these questions usually refer to its use on copper pipework. Judging by the building s age and structure the engineers believed phenolic foam insulation was the source. These photos show the inside of the fraunhofer rooftop test hut and show how water is delivered to the roof system to load the installed phenolic foam rigid insulation with moisture. Used extensively throughout north america in industrial buildings and warehouses from the early 1980s to the early 1990s because of its high r value and low price phenolic foam has major drawbacks says halcrow yolles project manager.

Trymer supercel phenolic insulation is a closed cell rigid phenolic foam insulation supplied in the form of large buns for fabrication into pipe shells curved segments sheets tank and vessel coverings and other shapes for a variety of thermal insulation applications. This article will discuss the evi dence that a combination of factors involving the insulation moisture in the system and inadequate protection by the deck treatments may have con tributed to deck corrosion in these three projects. It offers many advantages including excellent density and an r value of 4 8 per inch of thickness which forms an effective barrier against heat transfer and thus helps you save energy around the house.

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