A:Answer Thank you for your recent inquiry regarding the Sharp R-1514 Over the Range Microwave. We recommend only using the mounting materials included with the microwave. If you have any further questions please feel free to contact our Customer Assistance Center at 1-800-237-4277, Monday - Friday 7AM - 7PM CST and 9AM - 7PM CST Saturday and Sunday, so we can directly address your inquiry. We are happy to assist.