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V-Groove Method of Fiberglass Duct Board FabricationThe "V-Groove Method" of fiberglass duct board fabrication is one of the more common methods used today in the field.  The popularity of the V- … Read More

Proper Way to Hold a Duct Board Kerfing ToolKerfing tools are designed for hand fabrication of fiberglass duct board to make HVAC ducts out of fiberglass insulation.  Kerfing tools contain s … Read More

Fiberlock Technologies has announced that they have discontinued the Fiberlock Lag-Kloth rewettable canvas product line.  They will no longer supply the full rolls, blanket in a bucket, or 4" … Read More

Can I Install Black Foam Pipe Insulation on Steam Piping? Answer: NO!  The cheap black/grey foam pipe insulation you find in the big box stores should absolutely not be used on steam pipes!& … Read More

The PVC Reducer 90° Fitting Cover, a popular PVC adjustable joint fitting, has been offered on our site for a few years now and customers love this special item. These same customers have asked why … Read More