Repairing Metal Guttering

Apply silicone and reassemble.

Repairing metal guttering. It s important that the patch match the gutter material. If the hole is very large the flashing can be pressed into the cement. Check the downspout step 4. To restore or repair your rusted box gutter liner you first need to clean the gutter and remove any debris.

Larger holes can be carefully covered with a piece of flashing sheet metal. Then inject roof and gutter sealant into the joint with an applicator gun. For a metal gutter scrape any dirt out of the joint and dry it. You can cut out the larger hole with a tin snips or you could use an oscillating multi tool equipped with a metal cutting blade.

For example use aluminum flashing to patch an aluminum gutter. Remove half of your flimsy gutter hangers with an electric drill. Next coat the inside of the gutter channel with a self etching metal primer. If your gutters are fastened with spikes and some spikes are loose or rusted simply hammering the spike back in isn t.

Insert the drop outlet in the hole and fasten the new downspout with sheet metal screws. Squeeze the gutter to release the union piece peel the gasket away and replace it with a new one. Screw in 2 3 philip s screws and remove the other hangers. Clean the area around the leak step 2.

Install a supportive gutter. The cement should be spread at least two to three inches around the holes. Patches sealants step 1. Clean the downspout joints and replace the gaskets step 5.

Cover any holes you find in the metal gutter with some roofing cement. If you don t you ll encourage electrolytic corrosion a process that slowly etches away one metal in favor of the other. You can paint this primer directly over the existing liner and any rust that exists. If clips or brackets hold your gutters check for broken clips and loose or missing screws.

Buy a tube of roofing cement 1 40 and a metal repair patch several inches larger than the damaged area. Apply plastic roofing cement step 3. Find the center point of your gutter and secure a support. Scrub the inside of the gutter around the hole using a wire brush dipped in water to remove rust.

There should be no more than a inch drop in the direction of the downspout. If you have plastic guttering joined with a union piece one of the gaskets seals may be damaged. Make sure to seal the drop outlet to the gutter with seam sealer.