From fire retardant consumption rate to competitive advantage
SPFR100 consumption: certified at 240 g/m² (≈ 210 ml/m²) in at least two coats, typically 210–250 ml/m² in practice. See how to calculate consumption and compare fire ret…
When it comes to fire protection for timber, the focus is often on the result: the fire classification achieved, the appearance of the wood or the composition of the product. Yet one practical figure has a direct impact on a project's schedule and budget, the consumption rate of the fire retardant.
01What is the consumption rate of SPFR100?
SPFR100's reaction-to-fire classification B-s1,d0 (EN 13501-1) was achieved with a total application of 240 g/m², which is approximately 210 ml/m². This amount is applied in at least two coats. In practice, total consumption is typically 210–250 ml/m², depending on the wood species, the absorbency of the surface and the application method; planed surfaces may need three coats. Allow at least 60–120 minutes of drying time between coats.
02How do you calculate consumption?
To treat 100 m², the certified amount corresponds to approximately 21 litres of SPFR100 (100 m² × 0.21 l/m²). Based on practical consumption, allow for 21–25 litres, one litre covers about 4–4.8 m². For a more precise estimate, use the calculator on the product page.
03How do you compare fire retardants fairly?
The price per litre alone does not show the real cost. Compare products on the basis of the same fire classification, the same substrate and the same system: how many coats are required and what total application (g/m² or ml/m²) the classification was achieved with. You will find this information in the product's technical data sheet and classification report.
04Why does the consumption rate affect the project budget?
The lower the amount required per square metre, the less material is used, and fewer coats also mean less labour time. As labour is one of the largest cost components in construction, this can mean significant savings on large projects. The actual effect depends on the project, which is why we are happy to prepare a project-specific cost calculation.
05Summary
The consumption rate is not just a technical figure, but one of the measures of a project's cost-effectiveness. For SPFR100 it is documented: 240 g/m² (≈ 210 ml/m²) in at least two coats, with a B-s1,d0 classification. Ask us for a calculation for your project.