beam span calculator how far can a deck beam span fine how far can a deck beam span fine rafter span tables patio roof maximum beam rafter spans patio cover lumber dimensions diy rafter span tables insulated aluminum patio cover kit aluminum patio cover beam and post details how to calculate deck spans for the 4x8 ledger size for patio cover super simple deck design pergola beam size for 10 12 14 15 using the prescriptive residential deck patio cover plans build your patio posts be for a patio cover deck posts max distance internachi solid insulated roof panels lattice patio cover city of escondido aluminum patio covers flat pan cedar lumber cedar beams timbers 6x rafter length calculator posts be for a patio cover western timber frame power beam anthony forest s co calculate joist rafter and wood beam spans 16 ft douglas fir s4s green lumber diy insulated patio cover kits glulam beams glulam beams sombra best patio covered insulated patio covers do it yourself insulated patio covers screenhouse insulated patio cover kits diy patio treated glulam beams joist span table insulated patio covers diy deck aluminum patio cover beam and post details