Free tool · IS 14164:2008 · ASTM C585

Insulation take-offs, in seconds.

Bare area, dished ends, nozzles, insulation and cladding for pipes and vessels, with the standard allowances applied. Free to use, no sign-up.

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LIVE IS 14164:2008 ENGINEERING ENGINE

Instant Thermal Insulation Calculator

Eliminate guesswork. Test real piping lines or refinery vessels with live surface area algorithms, standard overlap allowances, and material procurement forecasts.

Standard Overlap + Wastage Pre-Calculated

Reference: Indian Standard IS 14164 Cl. 6.1 – 6.4

Pipe Nominal Bore (NB)OD: 114.3 mm

Length of Piping (L)50 Meters

Insulation Thickness (T)50 mm

Aluminium Cladding SWGStandard Grade

90° Elbows Count

Removable Valve Boxes

Live IS 14164 OutputCALCULATED

1. Net Outer Surface Area

34.93m²

Bare Area: 17.95 m²

2. Outer Cladding (+10% Overlap)+10% allowance

38.43m²

Circumferential & longitudinal seams included

Insulation Volume

1.755 m³

Procure (+5% Waste)

36.68 m²

Standard CPWD Form 23 & MES SSR item rates pre-mapped

Reference

The constants behind the numbers.

Every result follows IS 14164:2008 conventions, so your take-off matches the joint measurement.

01

Bare shell area

Area = π × (D + 2t) × L

Pipes, towers, calandria and horizontal vessel shells.

02

Dished ends

Head area = k × (π × D² / 4)

2:1 ellipsoidal k = 1.27 · Torispherical k = 1.14 · Hemispherical k = 2.00

03

Overlaps & wastage

Cladding = Theoretical × 1.10

+10% cladding overlap; +5% cutting wastage on mattress procurement.

Inside Vayuxi

From take-off to invoice.

In Vayuxi the same calculations flow into BOQ, daily progress and billing sheets, so nothing is typed twice.

See pricing