However this isn t necessary in most cases.
How to attach downspout with sheet metal screws.
Attach elbow joint to the new end of your downspout with the elbow going over the downspout.
Place the first strap 2 feet from ground level and secure the strap to the house behind the down spout with one screw.
Install the fitted downspout in its place and fold both ends of the mounting straps over it.
Install extension by sliding it over the elbow.
Secure the elbow with the sheet metal screws on opposite sides holes may need to be pre drilled.
Pull it apart and slip it around the downspout to hold it in place against the wall.
For the end with drop connect to the gutter with a seamer.
When assembling be sure to orient the successive pieces so the upper elbow or downspout section always tucks into the lower section rather than the other way around which will ensure a leak.
Before securing the screw into the hole you need to complete two basic tasks.
Use sheet metal screws to secure downspouts and elbows.
Assemble the downspout at the ground level driving primed sheet metal screws into predrilled holes at each joint in the downspout.
Secure extension with sheet metal screws.
Step 6 main downspout.
They are the perfect length to secure your components.
Use a self tapping 3 8 inch hex head sheet metal screw to secure the downspout.
Attach it to the elbow fitted above.
Remove 6 inches from it.
First take a piece of scrap downspout material and slice it open.
Alternatively attach clincher bands u shaped brackets that run.
These painted sheet metal screws are the easiest way to attach downspouts elbows and extensions.
Reinforce the connection with sheet metal screws one on either side if desired.
Attach a front or side elbow at the downspout s bottom to direct water away from the foundation.
Attach downspout straps to the house every 10 feet.
The painted heads will match your gutter colors.
To connect the gutter to the downspout use either an outlet or an end with drop.
Measure out the main downspout so that it spans the length of the house.
Cut off excess strap with a pair of sheet metal cutters.