11 Best Of How To Fasten A Ledger Board To A Block Wall Best Resolution Image. To keep the roof of the pergola even and level across the whole topside youll need to cut each post exactly. I saw on this old house that he put some self adhesive stuff behind the ledger board which created a seal after putting the lag screws into the ledger and through the sill of the house.
There is a ledger board there that is too short so I have to extend it. These replace lag screws and through-bolts have been coated with a proprietary three-step coating process that protects against corrosion even in pressure-treated wood and are ACQ-approved. Then the flashing was installed.
These replace lag screws and through-bolts have been coated with a proprietary three-step coating process that protects against corrosion even in pressure-treated wood and are ACQ-approved.
Hold the block of wood on the shed wall and set the stringer on the block to make sure that the bottom angle rests evenly on the ground. To keep the roof of the pergola even and level across the whole topside youll need to cut each post exactly. Step 3 - Use The First Stringer To Make The Remaining. Measure down 10-12 in.