Use a carpenter s square to get around to the bottom.
Cutting aluminum rain gutters.
Measure along the house fascia to determine the length of each piece of gutter.
Cut a two inch long notch in the front lip of the gutter with tin snips to join a rain gutter section with an inside or outside corner piece.
Mark the cut length onto the bottom of the aluminum gutter which should be facing up with the tape measure and.
How to cut aluminum gutters step 1.
Miter saws are the most common tool used for cutting gutters especially metal and plastic gutters.
Use the old adage measure twice and cut once then turn the gutter upside down on the table and mark it all the way around.
Fit the miter saw with a carbide tipped finish blade for cutting through metal but this is the fastest and most efficient tool for cutting through any type of gutter material.
If you have difficulty cutting with the tin snips make another cut 1 to 2 inches away from the cut line with the alternate hand snip.
Cut the gutter to length using a hacksaw and tin snips.
Tap the end cap onto the end of the gutter then secure it with a crimping tool.
At the square cut end of the gutter attach a spherical end cap with aluminum pop rivets.
If the section of the gutter you are discarding is on your left use the right hand tin snips and vice versa if the discarded section is on right.
Cut all the way through at a consistent speed.
Laying your gutter on the workbench measure off the amount of gutter you want to cut and mark it with a pencil.
Insert the drop outlet in the hole and fasten the new downspout with sheet metal screws.
You can cut out the larger hole with a tin snips or you could use an oscillating multi tool equipped with a metal cutting blade.
If the gutter doesn t turn a corner fasten an end cap to each end to do this hold the end cap in place temporarily with a single sheet metal screw then drill a 1 8 inch diameter hole and install one pop rivet above.
Cut a four inch long notch to overlap and splice together gutter sections.
Make sure to seal the drop outlet to the gutter with seam sealer.
Let go of the trigger when through and then pull the saw back up to its starting position.
Grab one side of the gutter and lower the saw slowly to the gutter.
