Anchors
Quick answer: For 100 m² of facade at 6 anchors per m² you need 600 insulation anchors, i.e. 6 boxes of 100.
Calculate anchors for facade or insulation
How the calculation works
Enter the facade area (or width and height), choose the anchor length, pattern and density. The calculator multiplies the area by anchors per m² and rounds up to boxes of 100.
Formula and assumptions
Anchors = area × anchors per m², rounded up. Boxes = anchors ÷ 100, rounded up. Density options in the app: standard 4, reinforced 6, corners 8, windy zone 10 pcs/m². These are indicative – the exact number and length are set by the system manufacturer and the design.
Worked example
Facade 100 m², density 6 pcs/m²: 100 × 6 = 600 anchors → 6 boxes of 100.
More worked examples
- Facade 150 m², reinforced density 6 pcs/m²: 150 × 6 = 900 anchors → 9 boxes of 100.
- Corner zones of 45 m² at 8 pcs/m²: 45 × 8 = 360 anchors → 4 boxes of 100 (3.6 rounded up).
Anchors by density (boxes of 100)
| Area (m²) | 4 pcs/m² | 6 pcs/m² | 10 pcs/m² |
|---|---|---|---|
| 50 | 2 | 3 | 5 |
| 100 | 4 | 6 | 10 |
| 150 | 6 | 9 | 15 |
| 200 | 8 | 12 | 20 |
| 300 | 12 | 18 | 30 |
What affects real consumption
- Building height and wind exposure.
- Type of substrate and load-bearing capacity of the wall.
- Insulation thickness and anchor length including embedment depth.
Common mistakes
- Using one density for the whole facade, although corners, edges and windy zones need more.
- Assuming the calculator picks the anchor length; you choose it according to the insulation and substrate.
- Rounding the number of anchors instead of whole boxes.
Frequently asked questions
How many anchors per m² of facade?
Most often 4–8 pcs/m², with higher density at edges, at height and in windy zones; the system manufacturer specifies the exact number.
Does the calculator work out anchor length?
You choose the length yourself; it depends on insulation thickness, adhesive and the required embedment in the substrate.
How many boxes for 100 m² at 4 pcs/m²?
100 × 4 = 400 anchors, which is 4 boxes of 100.
When should I choose 8 or 10 pcs/m²?
The app offers 8 pcs/m² for corners and 10 pcs/m² for windy zones. The exact number is set by the system manufacturer and the project.
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Publisher: Art-Visum d.o.o. · Content reviewed:
Calculations use common consumption rates and manufacturers' technical data sheets; results are estimates. Methodology · Standards · About