The Best Outdoor Patio Umbrellas for Your Backyard - HGTV in Sarasota FL
5, you want the base to diameter to be a minimum of 1. 5 and at the most,. 25 bigger. As a guideline of thumb, your base diameter need to not be greater than. 25 bigger than your umbrella pole. Pro Tip: Coastline umbrellas are slimmer than patio umbrellas, ensure you check prior to purchasing! If yo...