![]() ![]() the distance between the center point of one 2x4 to the center point of the next 2x4 ( not the amount of space between the 2x4s). ² Spacing is approximate and denotes "on-center" spacing - i.e. ¹ Span is the distance from outside edge to outside edge (including brackets) of the side of the pergola where the roof brackets will be attached. Flat Loading: 1.15kN/m2 Dead Load + 1.5kN/m2 Imposed Load. House Loading: 0.75kN/m2 Dead Load + 1.5kN/m2 Imposed Load. Once these have been entered, the joists suitable for this application appear in the table below. The following table shows how many 2x4 rafter brackets are included (together with stainless steel screws & black screw covers) based on the span (4, 6, 8, 10 or 12 feet) and spacing option (far, medium or close spacing) you choose. This application will specify a list of acceptable JJI-Joists once you enter your support conditions, load case and clear span. Shipped directly to your doorstep from Boise, Idaho.Reduces your pergola build time by as much as 75%.Includes stainless steel screws (1.5-inch #10 self-tapping wood screws with pan/round head painted black) for securing wood into bracket.Made for dressed lumber commonly called 2x4s (actual dimensions are 1.5” x 3.5”).Pre-drilled holes for securing wood and accessories to bracket.Advanced weather coating technology to withstand extreme weather conditions.Proudly made in the USA with premium American steel.The 2x4 rafter slats can (but don't necessarily have to) extend beyond the edge of the beams below them, creating overhangs on each end. This pergola roof kit utilizes 2x4 rafter brackets so you can attach a series of 2x4 rafters above the 4x4 beams (creating a second roof "layer" to give the pergola's roof a more traditional look). ![]()
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