Leading Edge Technology for
Insulation & Composite Foam Cores

Polyisocyanurate Insulant for Pipe Saddles

Dylast Leading Edge InsulationComposites3

An important component of any good insulation system (whether in cold or hot environments) is the “pipe saddle” upon which the insulated pipe rests, structurally supported from above or below.

Even though the pipe may be insulated, the compressive strength of the pipe insulant is likely lower than necessary to support the entire weight of the pipe (plus the insulation system) that rests on the pipe saddle, which has only a limited surface area. Thus, for each pipe saddle, a primary question is “What insulant density has the requisite compressive strength to support the pipe system to avoid creep over time?” Of course, this depends on several factors such as:

  • Pipe weight
  • Liquid inside of the pipe
  • Distance between pipe sidles
  • Surface area of pipe saddles
  • Compressive strength of insulation on foam

Dyplast has developed a simple Excel® spreadsheet to aid interested parties in pre-planning for the selection of a polyisocyanurate insulant for pipe saddles. Our spreadsheet includes directions, and the input cells are readily discernible as “green cells.” The spreadsheet also contains an appropriate disclaimer, since the final design should be determined by a qualified engineer who is aware of the unique properties and environment of the pipe system.

Click here to download the spreadsheet!

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