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Perforation Mask Disc Stock Sheet calculator.

Count supplied masking discs for circular holes, allocating square cutting cells rather than treating circular area as usable sheet yield.

ACOUSTICS

Your inputs

Use measurements from your plan and properties from your chosen product. Any prefilled values are illustrative.

Where to get this value

Measure this dimension in your plan or on site and use the displayed unit. For irregular shapes, divide the geometry into the supported sections.

Where to get this value

Measure this dimension in your plan or on site and use the displayed unit. For irregular shapes, divide the geometry into the supported sections.

Where to get this value

Measure this dimension in your plan or on site and use the displayed unit. For irregular shapes, divide the geometry into the supported sections.

YOUR ESTIMATE
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Formula and assumptions
BEHIND THE NUMBERS

How this calculation works.

Disc blank cell side = hole diameter + 2 × supplied margin; whole cells per sheet = floor(width/side) × floor(length/side). Does not select a coating procedure, perforation layout or masking material suitability.

Disc blank cell side = hole diameter + 2 × supplied margin; whole cells per sheet = floor(width/side) × floor(length/side).Calculated with normalised units

A worked example

Illustrative inputs only. Product properties and design dimensions are not recommendations for your project.

Usable masking sheet width
1 m
Usable masking sheet length
1 m
Supplied hole diameter
100 mm
Supplied margin around each hole
0 mm
Holes per panel
60
Panels to mask
2

Masking stock sheets: 2 sheets

Square-grid cells only; circle nesting and reuse of spaces between circles are excluded.

Before you purchase

Use dimensions from your plan and properties from your chosen product. Any design spacing, section or fixing pattern must already be specified.

Does not select a coating procedure, perforation layout or masking material suitability.

All dimensions, properties and application patterns are user-supplied. No building-code default is inserted.

Method: dimensional arithmetic and user-supplied specifications. Software checks: 2026-10-06. Calculation and review policy.

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