Downloads
Downloads & Whitepapers
Certificates, documents and further files relating to your cooperation with PETEK.
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General Terms and Conditions (GTC)
GTC of PETEK Cleanroom Technology GmbH for deliveries, assembly, planning and service work. Version 1 – as of 23.04.2026.
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Exemption Certificate pursuant to § 48b EStG
Exemption certificate for tax deduction on construction services pursuant to § 48b para. 1 sentence 1 of the Income Tax Act (EStG). Valid until 13.03.2027.
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USt 1 TG Certificate pursuant to § 13b UStG
Proof of tax liability of the service recipient for construction services and/or cleaning of buildings. Valid until 13.03.2027.
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PETEK Product World
Versatile, flexible, individually adaptable — overview of our cleanroom systems for medical technology, pharma, automotive, food, optics, aerospace and other industries.