How do I sign up for your loyalty program?

Unfortunately, I couldn't find specific information about a loyalty program for Sierra Roofing and Solar in the provided documents. However, I recommend reaching out to Sierra Roofing and Solar directly to inquire about any existing loyalty programs or promotions. You can contact them by calling (925) 803-1601 or visiting their website at www.sierraroofing.com. They will be more than happy to assist you with your inquiry and provide further details.