Painting Formulas
  • 01 Sep 2023
  • 3 Minutes to read
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Painting Formulas

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Article summary

Before reading this article, ensure you have read Measurement - Parts & Labour and Using Formula within Groundplan articles to aid in understanding the following Formula examples.

Please note:
  • Doubled-sided and single-sided walls would need separate Measurements as the Parts and Labour are different.
  • If there is more than one ceiling height on the Project, each height must be a separate Measurement with the correct Formula, Parts and/or Labour applied.


📝 The Formula values provided in this article are for example purposes only.

TermExplained
counttotal counts
lentotal metres measured
areatotal square metres measured
count, len or area / xtotal count/length/area divided by an amount
count, len or area * xtotal count/length/area multiplied by an amount
ceil(x)rounding up a decimal value to the next whole number


Internal Walls

Example Parts for painting a single-sided wall with a 2.4 high ceiling Length Measurement:

painting-walls.png

PartExplanationFormulaUMO
UndercoatHow many litres are required when the ceiling is 2.4m high divided by an averaged 1 litre based on covering 6m2ceil(len*2.4/6)Litres
Undercoat (20L bucket)How many 20L buckets are required when the ceiling is 2.4m high divided by an averaged 1 litre based on covering 6m2 divided by a 20L bucketlen*2.4/6/20Buckets
Top coatHow many litres are required when the ceiling is 2.4m high divided by an averaged 1 litre based on covering 6m2 multiplied by 2 coats requiredceil(len*2.4/6*2)Litres
Top coat (20L bucket)How many 20L buckets are required when the ceiling is 2.4m high divided by an averaged 1 litre based on covering 6m2 multiplied by 2 coats required divided by a 20L bucketlen*2.4/6/*2/20Buckets
CorniceHow many total metres measuredlenm
SkirtingHow many total metres measuredlenm
Total wall areaTotal length measured multiplied by the height of 2.4m for the total m2len*2.4m2


Exterior Cladding

Example Parts for painting exterior cladding using an Area Measurement:

painting-exterior.png

PartExplanationFormulaUMO
UndercoatHow many litres are required for the area measured divided by an averaged 1 litre based on covering 6m2ceil(area/6)Litres
Undercoat (20L bucket)How many 20L buckets are required for the area measured divided by an averaged 1 litre based on covering 6m2 divided by a 20L bucketarea/6/20Buckets
Top coatHow many litres are required for the area measured divided by an averaged 1 litre based on covering 6m2 multiplied by 2 coats requiredceil(area/6*2)Litres
Top coat (20L bucket)How many 20L buckets are required for the area measured divided by an averaged 1 litre based on covering 6m2 multiplied by 2 coats required divided by a 20L bucketarea/6/*2/20Buckets
Total exterior wallTotal exterior area measured after door / windows were removedaream2


Removals

There are different ways to calculate window and door removals using Parts with negative formula applied. All involve Grouping of Parts. Alternatively, if usage permits, use the Area Cut-Out Tool to remove windows from elevations Plans as well.

Sliding Door Removal

Example Parts for the removal of a 2400mm x 2200mm sliding door using a Count Measurement:

painting-door-removal-count.png

PartExplanationFormulaUMO
Total wall areaCalculating negative m2 of the total area covered by a sliding door 2400mm x 2200mm = 5.28m2 to be removed from the Total wall area Grouped Part-count*5.28m2


Window Removal

Example Parts for the removal of any length window with a height of 1.2m using a Length Measurement:

painting-window-removal-length.png

PartExplanationFormulaUMO
Total wall areaCalculating a negative m2 of the total area covered by a window with a height of 1.2m to be removed from the Total wall area Grouped Part-len*1.2m2




For Formula assistance, please reach out to Support. Go to: Help > Send us a Message.

Download a PDF copy of Using Formulas within Groundplan here.



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