Clean the repair area to remove any grime or debris.
How to repair a leaking plastic gutter joint.
The clips on the fitting and on each fascia bracket along the length of the gutter apply a downwards force pushing the gutter down onto the rubber seal that is located within the fitting.
Do not apply silicone on top of silicone or on top of the old gutter sealant.
This downwards force compresses the seal creating a watertight seal.
Using a small trowel a gutter scoop or your gloved hands clear away as much debris as possible dropping it into a bucket for disposal.
Water will eventually find its way.
How to repair a leaking gutter joint.
Tools you will need.
Do not use the as seen on tv liquefied rubber in a can sealants that promise the world but in actuality work very.
The seal in a pvc guttering joint is made when the gutter is clipped into place.
Remove any screws or connecting hardware at the joint and then disassemble the leaking portion of the downspout.
Prepare a tube of exterior grade polyurethane caulk.
Apply a bead of caulk along one of the cracks.
Apply a bead of caulk along one of the cracks.
Un clip the gutter bracket next to the joint that needs to repair and the gutter joint that is leaking.
Wash the seam area of the gutter.
Remove the gutter gasket seal that.
How to repair plastic gutter seams.
This will remove any blockages and help drain.
You may need to remove other gutter or downspout sections near the leaky joint first.