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Assured Performance Warranty (APW)

A comprehensive 10-year warranty program designed to assure building owners that their StoTherm ci® cladding will be installed and perform correctly

The APW Warranty

Protect your building and yourself.

Sto Canada offers industry standard warranties for various products and systems, which are project specific and issued by our partner distributors. In addition, Sto is the ONLY EIFS manufacturer that offers a performance warranty that includes workmanship and includes third-party EIFS inspection. The Sto Assured Performance Warranty (APW) provides a building owner a way to ensure the StoTherm ci system installed on their building is the same durable EIFS system that Sto has designed and tested.

  • Backed by Sto Corp.
  • Warrants material and installation
  • Cost is generally a fraction of total cost of construction
  • Built-in Quality Assurance measures
  • Redundant moisture protection
  • Rainscreen wall design
  • Transferable
  • Extendable
Need Help ?


(416) 855-0460



Operating Hours:
Monday-Friday | 8:00 am – 5:00 pm (EST)


Sto Canada Ltd.
Sales Centre Toronto
1821 Albion Road
Unit 1-2
Etobicoke, ON
M9W 5W8
Phone: (416) 855-0460

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