Find out more about the IKEA Concept and franchising. . The IKEA Concept starts with the idea of providing a range of home furnishing products that are . IKEA - METOD, Ventilation grill, 25-year Limited Warranty. Read about the terms in the Limited Warranty brochure. The IKEA Concept starts with the idea of providing a range of home furnishing products that are affordable to the many people, not just the few. It is achieved by . This is IKEA · The IKEA Concept · Democratic Design · About the IKEA Group · People & Planet · Press Room · Read Our Materials · IKEA Foundation . Gives support to your countertop after it's been cut for a cooktop or sink, and improves ventilation around the cooktop. Care instructions. Product dimensions.