Code of practice for permissible stress design materials and workmanship and bs 5268 7 2 1989 structural use of timber section 7 2.
													
																	I joist shed roof. 
									
	
		
	
																	Select store buy. 
																	Conventional framing the first thing to understand is how a roof framed with wood i joists differs structurally from a traditional stick framed roof. 
																	2 8 s come standard at 1 inch thick. 
																	Hi i have a large brick built shed in the garden with an osb felt flat roof with exposed rafters below. 
															
													
									
	
		
	
																	I joist construction details performance rated i joists in floor and roof framing form no. 
																	2x8s are used frequently for these projects. 
																	Compare click to add item 3 1 2 x 14 i joist 90 series to the compare list. 
																	Add to list click to add item 3 1 2 x 14 i joist 90 series to your list. 
															
													
									
	
		
	
																	Boarding to be fastened on top of flat roof joists with a depth to width ratio greater than 4 the allowable clear spans have been calculated in accordance with bs 5268 2 2002 structural use of timber part 2. 
																	Ship to store free. 
																	Opening up the roof space roof joists. 
																	Architect erik sokol s drawing shows the long shed roof at the left of the building as viewed from the street. 
															
													
									
	
		
	
																	The crew framed this long span with wood i joists. 
																	Click to add item 3 1 2 x 14 i joist 90 series to the compare list. 
																	As mentioned above a 2 4 spf shed roof rafter can span 11. 
																	An syp rafter can span 11. 
															
													
									
	
		
	
																	If you live in an area that requires a shed roof rafter to support a heavy load then an spf rafter can only span 7. 
																	How best to insulate a flat roof of a brick built shed. 
																	The crew frames a long span shed roof using 16 inch deep wood i joists and steel hangers. 
																	Both of these are for light roof loads. 
															
													
									
	
		
	
																	A long span wood i joist shed roof. 
																	In a typical roof framed with dimension lumber the rafters rest on the exterior wall top plate at the lower end and bear against a ridge board at the top.