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One of the most common questions our sales and customer service personnel receive about both FST Foam Duct Sealant and SolidSeal Duct Plug is: "How do I calculate the quantity required for a job?" The question can get more complicated from there, since the person asking may mean what volume (how many milliliters, or cartridge squirts) is needed to seal a duct; or they may mean how many cartridges are needed for an entire project with multiple ducts. Throw in the additional factors of conduit size, conduit fill, and the two FST and SolidSeal cartridge options (250ml caulking tube or 50ml mini) ... and it gets complicated. Chances are, you too field the same questions--or soon will. Sure, there are formulas available for figuring this stuff out, but we're not all a bunch of Einsteins running around out there with formulas in our head. Luckily, there's an easier way for you and your customers to answer the question. The formula is embedded in an online FST & SolidSeal Quantity Calculator. The calculator directs users to the appropriate cartridge size based on conduit ID, and its results provide four crucial pieces of information for each input scenario. For example, input of 10 4-inch conduits calculates to 4 cm of foam per duct and 5 cartridges for the entire 10 conduits, based on 20% cable fill and use of the larger 250ml cartridge. It also provides a comparative result: 5 cm of foam per duct and 6 cartridges for the 10 ducts, based on 0% cable fill. Note that the 250ml package has centimeter markings on the label and the recommended use quantity is in cm. Recommended use quantity for the 50ml cartridge is given in the number of squirts. |
