SearchAsk us anythingarrow rightHow far can a 4x6 span without support?Of course, the greater the beam, the greater the distance between the positions. A Redwood 4x6 beam must not exceed 6 of the support positions.Let's Get It Fixed!Our virtual experts can diagnose your issue (for free!) and resolve simple problems.Chat with a live expertChat nowCall 1 (855) 466-3948Call nowRATESHARECopy linkTwitterFacebookmagnifying glassLink copied to clipboard.SUBMIT AN ANSWERShop Recommended ProductsShop HomeX Recommended ProductsRELATED QUESTIONSHow far can a 12 inch I joist span?Alternatively, the use of 9-inch, 12-inch on-center spaced stretcher allows you to go up to 17 feet, 9 inches to L480.How far can a 2x4 span without support?The thumb rule is 2X4 will extend 6, 2X6 8. Who is it? Use 2x8s or don't worry about building it as sag goes. With a dead load of 20 pounds, the maximum interval for a 2x4 is 5 feet.How far can a triple 2x6 header span?A triple beam 2x6 on a scale of 10 feet should be more than enough for the normal loads of the deck. The maximum scale for a single yellow pin 2x6 2btr is about 9 feet.How far can a beam span without support?When a double beam can measure in feet an amount equal to its depth in inches. A double beam 2x12 can reach 12feet a (2) 2x10 can reach 10feet and so on.How far does an RSJ overhang?There is no minimum. It depends on how the beam is supported. A 100 or 150mm bearing on a padstone is usually fine if the masonry is adequate.