Products with manufacturer defects are warranted for five (5) years from the original purchase date. Defective products will be repaired or replaced at the seller's option. The warranty does not cover the cost of transportation or labor.

 Warranty terms are subject to below limitations and exclusions:


  • Only the original buyer can file the warranty claim; proof of purchase is required.
  • Damage or defect caused by the freight carrier during transit (see policy on freight damage)  
  • Damage or defect caused during faulty assembly or installation. 
  • Damage or defect caused by 3rd party installers.  


  • Products not purchased directly from Kainosbuy.com.
  • Normal or normal wear and tear throughout ownership over time
  • Products with any modifications or attachments 
  • Products not installed, used, or maintained by manufacturer instructions and warnings.
  • Products used for rental purposes.