Steel Screws Into Aluminum Gutters

Exposure to saltwater increases the rate of corrosion as salt is a better electrical conductor than plain water.

Steel screws into aluminum gutters.

At the bottom of the downspout another elbow aims the water away from the house either forward or to the side. The cost of galvalume gutters is about half the price of zinc coated copper but the look is the same as copper gutters. It s critical that you do not drill the screw into the existing nail hole. Elbows are fastened to the downspouts with 1 2 stainless steel screws.

Unplated steel screws will cause corrosion in aluminum in a wet environment. A screw comes attached to the hanger making installation very simple. However the dissimilar nature of these two metals puts them at risk of getting corroded resulting in their destruction altogether. Elbows funnel the water from the gutter to the wall of the house and into the downspout.

This hanger clips on the inside of the gutter and fastened to the house. For this reason many diy homeowners choose to install aluminum over steel gutters as do some installation professionals. They ll rust quickly themselves as well so they re not a good choice for fastening aluminum. However you can replace this hardware with aluminum gutter screws or copper stainless steel gutter screws which provide a more secure solution and will prevent the gutters from sagging or pulling loose.

Instead position the tip just above the preexisting hole and then force it into the fascia roof. Aluminum gutter hanger with the 5 in. Galvalume has an exterior coating that is made from 45 zinc and 55 aluminum. Begin screw installation insert the screw into the existing hole in the gutter face and then the ferrule over it.

It is no doubt that stainless steel screws are the best when it comes to holding together materials such as aluminum sheets so that when faced with a variety of elements they do not break open. Gutters are often installed using aluminum gutter spikes and ferrules which can bend easily and work loose over time. The coating is applied to a substrate made of steel. Because the anode or aluminum corrodes quickly in comparison to the stainless steel using aluminum screws in stainless steel would quickly weaken the structure as the aluminum degrades.

Replacing them with steel gutter screws and rigid plastic ferrules provides a more secure alternative and will prevent them from pulling loose or sagging. Aluminum gutters are a lighter weight material than steel. Galvanized steel screws however are plated with a corrosion resistant coating usually consisting of zinc that is not nearly as reactive with aluminum. Typically gutters are installed using aluminum gutter spikes and ferrules.