Shiny, strong, and versatile—galvanized screws are a favorite and useful option for many construction and do-it-yourself tasks.
Galvanized screws or bolts are a popular choice for many people as they are a cost effective option – whether they’re building decks in their backyards or constructing a bridge over a river.
When To Use Galvanized Screws?
When starting a DIY project, cost is always a factor. Here are some of the key benefits of using these fasteners.
When you want to save money
We all know how much we enjoy snagging a great deal, especially for our DIY projects. Galvanized screws strike a great balance when it comes to cost and quality.
They might cost a bit more than plated or coated fasteners, but they’re definitely a lot cheaper than stainless steel options. These are a great option for DIYers who are mindful of their budget but still want something that lasts.
When you need durability
Galvanized screws are covered with a strong layer of zinc that protects from rust, which makes them great for outdoor projects that need to last a long time. They work great with pressure-treated wood because the zinc layer keeps the chemicals in the wood from reacting.
Think about the weather where you live, how close you are to salt water and the type of wood you’re working with when selecting screws for outdoor projects.
When corrosion is a concern
The zinc coating oxidizes over time forming a very protective layer, slowing and limiting further corrosion.
If you want your galvanized screws to last, make sure to take care of their protective coating. Handle the screws with care so you don’t scratch or chip the zinc layer, and make sure to use the right tools when you’re putting things together. Pre-drilling holes and avoiding over-tightening can help keep the coating in good shape.
If you are needing to build near to the coast, however, it is recommended to use 316 grade stainless steel screws, which are much more resistant to salt water.
Can You Use Galvanized Screws Outdoors?
Yes, you can use galvanized screws outdoors. Galvanized screws are great for all sorts of projects, especially when it’s a little damp or humid outside.
Building Decks: Galvanized screws are tough enough to hold down heavy deck boards and can handle moisture. They’re great for connecting ledger boards, joists, and stair stringers to build an incredibly sturdy deck.
Roof Installation and Repair: Many come with special washers that help make a watertight seal, so your roof stays leak-free. People use them by the millions for roofing projects, so you can bet they’re reliable!
Building Fences: You can use them to secure rails to posts, attach post caps, and even hang some decorative elements.
Framing Outdoor Structures: They work great for connecting truss rafters, holding headers and beams in place, and putting in bracing.
Building Raised Garden Beds: They can deal with all that moisture from watering and won’t leak any nasty chemicals into your soil.
Outdoor Playgrounds: They’re great for putting together swing set brackets, assembling climbing wall panels, and connecting slide components to the platform. Make sure to use them when you’re fixing roof panels on playhouses or putting up safety enclosures for trampolines.
A quick note about marine environments: Galvanized screws work well for most outdoor projects, but they might not be the ideal choice for anything close to the ocean. The high salt content in coastal air can speed up corrosion. In these cases, you might want to switch to using 316-grade stainless steel screws instead.
How Much Do Galvanized Screws Cost?
Galvanized screws usually sit somewhere in the middle when it comes to fastener prices. They’re pricier than basic coated screws, but way cheaper than stainless steel ones. These are a great pick for DIYers wanting to find that perfect balance of quality and price.
Which Brand of Galvanized Screws Are The Best?
Not all brands of galvanized screws are the same. A great choice that both DIY enthusiasts and pros really love is the Simpson Strong-Drive SD Hex Connector Screw.
What’s so awesome about these screws? They’re extremely durable, handle corrosion like champs, and are designed for quick and easy installation. Plus, they’re from Simpson Strong-Tie, a brand that’s recognized for its top-notch construction fasteners. If you’re working on a deck, putting up a fence, or diving into any big project, these screws are definitely reliable.
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