Cost-free dimensioning for
infiltration and retention system
Are you planning to infiltrate excess rainwater in order to save
stormwater charges?
GRAF offers both end users and professionals free dimensioning for infiltration and retention systems
Your advantages at a glance
Cost savings
Cost savings Reduce your rainwater charges.
Environmental protection
Environmental protection Make an active contribution to conserving valuable water resources.
Customised solutions
Individual solutions Receive customised dimensioning that is precisely tailored to your needs.
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