STEP #1: ENTER PIPE DIAMETERS
(PIPES MUST BE COPLANAR)

STEP #2: ENTER THICKNESS OF MINERAL WOOL CUSHION
(REQUIRED ONLY AT ELBOWS & EXPANSION JOINTS)


STEP #3: ENTER DRITHERM ENVELOPE PARAMETERS
(SEE TABLE TO RIGHT ACCORDING TO PIPE SIZE & TEMPERATURE)

STEP #4: ENTER LINEAR FEET OF TRENCH

STEP #5: VERIFY INFORMATION; PRINT OR EXPORT