[coastalhomeowner]

I'm a homeowner in a coastal area, 1 mile from the ocean with temperate climate year round, pretty much 50-65 with frequent foggy days. I am looking to reroof my asphalt shingle roof. I have painted gutters from the previous owner that are still in good shape that I'd like to keep, and they're likely basic materials (so my guess is aluminum or galvanized)

I'd like to understand what precautions or upgrades I should opt for on the materials that would strike a balance between my not-luxurious asphalt roof/house but also protect against the coastal salty air and fog. I think stainless steel nails are a common recommendation. But for the flashings, my prospective roofer is pushing copper, which is probably the most durable material, but seems out of place and overboard for an asphalt roof with dimensional shingles.

Are stainless flashings a good middle ground and if so, are there any concerns with it being in contact with the gutters (ie. mixed metals touching)?

Or am I completely overthinking this -- should I just go with stainless nails and standard painted flashings? I just wouldn't want the flashings to fail significantly before the expected 25 years for my roof. In this case, any concerns with stainless nails with standard painted flashings (probably galvanized steel?)

Can anyone recommend how to strike a balance on durability without going overboard?

 

[RainierRoofRestoration]

Hey @coastalhomeowner I have a detailed information on this.

When choosing a flashing material for coastal areas, it is important to consider the effects of saltwater exposure, high winds, and corrosive environments. Here are some common materials that are suitable for flashing in coastal areas:

1. Stainless steel: This is one of the best options for coastal areas because it is highly resistant to corrosion from saltwater and can withstand high winds. It is also very durable and can last for many years without requiring much maintenance.
2. Copper: Copper is another good option because it is also resistant to corrosion and has a long lifespan. It is also very attractive and can add to the aesthetic appeal of a building.
3. Zinc: Zinc is a lightweight and durable material that is resistant to corrosion. It is also less expensive than stainless steel and copper.
4. Aluminum: Aluminum is a lightweight and affordable option that is also resistant to corrosion. However, it is not as durable as stainless steel or copper and may require more maintenance over time.

Hope it will help you.