You can probably get away with gutter repairs if any damage is localized on one or two gutter sections.
Replace section of gutter.
Also lap the rain gutters so the inside section is facing downhill to prevent water from being forced out the seam.
Determine where on the gutter sections the downspout holes will go and cut the holes out with tin snips or a four inch diameter hole saw attached to a drill if necessary.
If your gutters are not blocked and water is still escaping you have a leak.
Most home centers sell white and brown sections of gutters as well as slip joints to tie them together.
Over time gravity can cause joints to open up or they can get jostled from below and come loose.
To replace sections of gutter that are bent dented or rusted beyond repair.
Remove any retainers and or connectors from the section of gutter that needs replacing.
If there is permanent warping you may need to replace that section of gutter if not your whole system depending on the extent of the damage.
Seamless gutter you don t need to replace the whole thing.
Place a 4 x 4 block of wood inside the good section of gutter next to the section you will be removing.
Use the same process to join two sections of gutter except overlap the pieces at least four inches.
An aluminum downspout is comprised of two interlocking elbows attached to the gutter to create an s shape a long straight section to channel water a couple of clinchers to keep the downspout attached to the house and a shoe at the bottom to direct the water away with only five pieces replacing downspouts is an easy quick process that will yield instant results.
Remove any screws or connecting hardware at the joint and then disassemble the leaking or worn portion of the downspout.
Every two feet install hidden hangers on the back edge of the gutter to provide more.
Then you can simply replace those sections instead of tearing out your entire guttering system.
A leak sometimes opens at the joints between sections of gutter which can simply be resealed.
Errors while taking off gutters could cause damage that results in more work for you.
When you re splicing gutter sections plan ahead to leave the best looking factory cut end on the outside if possible.
Follow your chalk line to attach the gutters with screws.
This is also a good time to check your gutter downspouts for damage and replace them as needed.
Small openings can be cleaned with alcohol and covered over with a quality sealant.
See the full guide here.
If a tree branch falls on the last 4 ft.
Just replace the damaged section.
If your gutters are white or brown adding a section of gutter to an existing section is easy.
You only need to fix a few holes or cracks.