How To Fix A Leaking Plastic Gutter Seam

Clean the repair area to remove any grime or debris.

How to fix a leaking plastic gutter seam.

Apply a bead of caulk along one of the cracks. Repairing a leak on a corner gutter can be done easily and doesn t need a lot of time. Get ready to seal. If you aren t comfortable on a ladder don t get on one it s simply not worth it.

Find the crack and scrub the area around it to give way for a small plastic replacement sheet to fit into place. If possible flush out gutters with a garden hose then allow them to air dry for a clean fix. Fix the seam seal use the caulking gun to apply sealant on the inner lip of the gutter segment known as the downhill. The first step is to gain access to the area in a safe and secure way.

Prepare a tube of exterior grade polyurethane caulk. Reach your gutter by using an extension ladder. Wash the seam area of the gutter. 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.

Replace all pieces that make the seam and then finish by re adding the screws. It will be difficult to remove and quite stubborn but it all needs to go. For sealing and joining lap seams in aluminum or vinyl gutters and downspouts we recommend a permanently flexible and water resistant sealant. Apply a bead of caulk along one of the cracks.

Lower the uphill piece back into place and press them together for several seconds to make sure you evenly distribute the caulk.