👉 Type C Basement Waterproofing Material Calculator (CDM) – BIOKIL.

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Type C Basement Waterproofing Material Calculator (CDM)

Use our Type C (CDM) Material Calculator to estimate the materials required for your basement or cellar waterproofing project. Designed for trade use, it helps you work out membrane coverage and key system components quickly and accurately, so you can order with confidence and avoid unnecessary waste.

Enter your wall and floor measurements below to generate your material requirements. Recommended products will then appear underneath, ready to add straight to your basket for fast, efficient ordering.

✔ Accurate system estimates

✔ Faster ordering

✔ Reduced waste and overspend

Enter your project measurements below to get started.

Type C Basement Waterproofing Material Calculator (CDM)

Area Measurements

Internal Wall Area (m²) *

Floor Area (m²) *

Geotextile Membrane (External) Wall Area (m²)
If applicable

Wall/Floor Perimeter Length (m)
Optional

How many corners are there?

Membrane Selection

Internal Wall Membrane *

Floor Membrane *

Additional Options

Include overseal jointing accessories (Corner Strip / Plaster Mesh Tape)

Required Materials

How will the system discharge?

Note: Rolls are rounded up to ensure full coverage. If your layout includes multiple rooms, corners, or penetrations, allow extra for wastage.

BIOKIL.
BIOKIL. 3mm Meshed Cavity Drain Membrane – Waterproof Plaster-Ready Tanking Membrane (1m x 10m, 1m x 20m, 1.2m x 10m, 1.2m x 20m, 2m x 20m)

Regular price From £84.00

View details
BIOKIL.
BIOKIL. 3mm Waterproof Membrane Roll – Cavity Drain Tanking System 40m²

Regular price £213.00

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BIOKIL.
BIOKIL. 8mm Meshed Cavity Drain Membrane – Waterproof Plaster-Ready Tanking Membrane (2m x 20m)

Regular price £282.00

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BIOKIL.
BIOKIL. 8mm Cavity Drain Membrane – Waterproof Tanking Membrane (2m x 20m, 2.4m x 20m)

Regular price From £204.00

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BIOKIL.
BIOKIL. 20mm Stud Membrane – High Drainage Waterproof Tanking Membrane (2m x 20m)

Regular price £310.50

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BIOKIL.
BIOKIL. Geotextile Membrane – Twin Layered Cavity Drain Waterproof Membrane (2m x 20m)

Regular price £303.00

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BIOKIL.
BIOKIL. Geotextile Fabric - Drainage Membrane - Black

Regular price £139.50

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BIOKIL.
BIOKIL. Geotextile Profile Strip

Regular price £18.68

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BIOKIL.
BIOKIL. Corner Strip Tape Black

Regular price From £49.50

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BIOKIL.
BIOKIL. Plaster Mesh Tape Black

Regular price From £61.50

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BIOKIL.
BIOKIL. Brick Plugs with Seals (55mm)

Regular price From £54.00

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BIOKIL.
BIOKIL. Sealing Rope 10mm x 4.75m Black

Regular price £21.00

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BIOKIL.
BIOKIL. Sealing/Jointing Tape Black

Regular price £42.00

View details

Product Technical Data Sheets

3mm Cavity Drain Membrane

3mm Cavity Drain Membrane

3mm Meshed Cavity Drain Membrane

3mm Meshed Cavity Drain Membrane

8mm Cavity Drain Membrane

8mm Cavity Drain Membrane

8mm Meshed Cavity Drain Membrane

8mm Meshed Cavity Drain Membrane

20mm Stud Membrane

20mm Stud Membrane

Geotextile Membrane

Geotextile Membrane

Slimline Membrane

Slimline Membrane

Cavity Drain Membrane Fixings

Cavity Drain Membrane Fixings

Cavity Drain Membrane Tapes

Cavity Drain Membrane Tapes

BIOKIL Aqua Channel System Components

BIOKIL Aqua Channel System Components