Measure the opening of the section of roof to be shingled cut the plywood to size and nail to roof rafters.
													
																	How to replace a small section of roof. 
									
	
		
	
																	Dig out any suspect caulk and replace it with a high quality caulk. 
																	Stagger the sheathing in a brick pattern for extra strength. 
																	Replace any cracked rotted or missing siding making sure the new piece overlaps the step flashing by at least 2 in. 
																	It is probably a 3 x 4 section that i need to cut out replace the plywood and re roof. 
															
													
									
	
		
	
																	How to replace the roof on a small building. 
																	I ve done a little roofing before but never a patch job. 
																	I am replacing a small section of my roof right at the bottom. 
																	What is the best way to tie the shingles in to make sure it doesn t leak. 
															
													
									
	
		
	
																	Seal down any surrounding shingles that may have had their sealant bond separated in the same way. 
																	Do not place an entire 8 foot section of plywood onto roof. 
																	Such a long piece is structurally unstable in the middle. 
																	The main difference between replacing the roof on a small building and replacing one on a larger building is that the former involves less work and. 
															
													
									
	
		
	
																	Also check the siding above the step flashing.