How To Fix A Leaking Plastic Gutter Seam

Prepare a tube of exterior grade polyurethane caulk.

How to fix a leaking plastic gutter seam.

Apply a bead of caulk along one of the cracks. The first step is to gain access to the area in a safe and secure way. Clean the repair area to remove any grime or debris. Lower the uphill piece back into place and press them together for several seconds to make sure you evenly distribute the caulk.

Repairing a leak on a corner gutter can be done easily and doesn t need a lot of time. Then use a power washer or the strongest blast from your. Reach your gutter by using an extension ladder. 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.

Wash the seam area of the gutter. How to repair plastic gutter seams. Get ready to seal. Next use a chisel or some type of scraping tool and remove all of the old sealant.

If possible flush out gutters with a garden hose then allow them to air dry for a clean fix. Apply a bead of caulk along one of the cracks. For sealing and joining lap seams in aluminum or vinyl gutters and downspouts we recommend a permanently flexible and water resistant sealant. If you aren t comfortable on a ladder don t get on one it s simply not worth it.

Fix the seam seal use the caulking gun to apply sealant on the inner lip of the gutter segment known as the downhill.