Here s what we ve found to be the most effective long term box gutter repair solution to all three of the most common reasons box gutters leak.
How to fix leaking box gutters.
Over time gravity can cause joints to open up or they can get jostled from below and come loose.
If the bottom of the gutter has rotted or decayed but the rest of the gutter sections are intact you can repair the liner in the gutter channel.
Often aluminum guttering will start to leak from.
If your gutter is still basically sound the easiest way to stop the leak is by covering the damaged area with roof and gutter repair tape available at home centers and hardware stores.
If your box gutters are leaking the best way to fix them is to remove everything in the gutter including the old metal make sure all of the wood is in good shape and reline them with either.
Simply apply your sealant of choice and use your finger to smooth over the seam where your gutter is leaking.
There are several options for box gutter repair that range from caulking and sealing to having box gutters lined.
The final result of the repair process is a small plastic patch attached to the crack in the gutter using strong putty which stops the water leaking problem.
This video takes a look at how to repair aluminium guttering to a good standard that should last many years.
A very popular gutter liner material is tin coated steel.
Step 5 check your gutter the final step is to run a test to check that the gutter leak has been completely repaired once the sealing putty has had time to dry and harden.
Prepare the gutter by scraping out as much old tar or caulk as possible.
To apply a sealant your gutter needs to be clean and dry.