Yes, we recommend an annual check-up. Three months after installation we perform a first free check-up (adjustment of door, ventilation, etc.). Annual maintenance also extends the warranty to 5 years (valid on Silen models only).
Yes, we recommend an annual check-up. Three months after installation we perform a first free check-up (adjustment of door, ventilation, etc.). Annual maintenance also extends the warranty to 5 years (valid on Silen models only).