Envelope · trade scope

Quantity takeoff for waterproofing & tanking

CostTakeoff is used across waterproofing & tanking — measure straight off your drawings in m², m, and get a bill of quantities without the learning curve.

CostTakeoff — takeoff canvas1234ABC5.204.804.6014.60 m4.103.30N025 mmetresMEASUREMENTSTanking to WallsCavity drain membr…43.80 mSealing tape to jo…52.60 mMembrane plug32 nrTanking to FloorFloor membrane89.70 m²Internal fillet43.80 mDrainage & SundriesPerimeter drainage…39.20 mSump & pump chamber1 nrInspection port4 nrSealing rope to ju…12.40 mCostTakeoffTakeoff & EstimatingPROJECTMeadowbrook — New BuildCLIENTMurphy ConstructionDRAWING TITLECavity Drain Membrane SystemSCALE1:100 @A3DATEJul 2026DWG · REVA038 BTanking to WallsTanking to FloorDrainage & Sundries+ Line+ OpeningCavity drain membrane — 2.60 h43.80 / 254.04 m+ Line+ OpeningSealing tape to joints52.60 / 305.08 m+ CountMembrane plug32 / 192 nr+ Area+ SubtractFloor membrane89.70 / 520.26 + Line+ OpeningInternal fillet43.80 / 254.04 m+ Line+ OpeningPerimeter drainage channel39.20 / 227.36 m+ CountSump & pump chamber1 / 6 nr+ CountInspection port4 / 24 nr+ Line+ OpeningSealing rope to junction12.40 / 71.92 mMeadowbrook — New BuildBasement — TankingBill of Quantities · 9 sub-items · 115 measurementsActive: Tanking to Walls

A simple example measured in CostTakeoff — our categories on the left, quantities building on the drawing, your branding on the sheet.

Why CostTakeoff

Fast, honest takeoff for waterproofing & tanking

You measure waterproofing & tanking the way you measure every scope in CostTakeoff — draw areas in m² and runs in metres straight on the PDF and the quantities build into a bill of quantities as you go. The example above is a takeoff just like the ones you'll run.

The method

From drawing to bill of quantities, in four steps

  1. 1

    Upload

    Drop in the PDF drawing set.

  2. 2

    Set the scale

    Once per drawing — the one step worth learning.

  3. 3

    Measure

    Areas, lengths and counts, straight off the sheet.

  4. 4

    Read your BOQ

    Quantities build as you draw. Export to Excel or PDF.

Measure your next waterproofing & tanking job.

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