Replacing Aluminum Siding End Caps

Replacing Aluminum Siding End Caps

Aluminum siding is very durable and will last for decades as long as it's well taken care of, which in most cases just involves hosing it down once in a while. Sometimes, however, your aluminum siding might need a little bit more TLC to remove dents, for instance. Keeping your siding in good shape, and fixing blemishes and damaged areas as soon as possible, will extend the life of your siding and protect your investment.

The good news is that minor repairs aren't all that difficult or time- consuming, and in most cases you really can do them yourself. End caps in particular are more prone to dings and scratches, or even just occasionally disappearing, and are really easy to replace.

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Replacing Aluminum Siding End Caps

If your end caps need to be replaced, here are some simple steps for a quick and painless process:

The first thing to do is remove your badly scratched, dented, or dinged end caps, if they're still in place. The easiest way to tackle this project is to remove the end caps from the top down, and replace them from the top up.

Pop up the bottom edge (you might have to pry a little) of the first cap and then pull down. If the top of the cap doesn't come loose at all, you might have to actually cut the cap off using a hacksaw. If you have to do this, be sure to cut the cap as close to the house as possible without damaging other end caps or panels.

Remove any remaining nails with a pry bar, and examine the newly exposed area. Check for water damage, mold, and rot if the cap had been damaged for a while, or badly, moisture may have gotten in behind it.

If everything checks out, it's time to put the new end caps on. Start at the bottom (the lowest removed end cap) and work your way up. Slide each end cap in place, nudging the top of the cap under the bottom edges of the siding (there should be overlap).

Once the end cap is in place, drive some 1 1/4-inch aluminum nails into the tabs at the top of the cap. Repeat the process until you get to the final end cap.

For the last end cap, the topmost replacement, cut the nailing strip off of it and apply sealant to the back. You can use either roofing cement or silicone. Place the top of it under the bottom edges of the and cap above it and under the edges of the side strips, and press firmly.

And that's it! You've now replaced your end caps.

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