best screws pressure treated lumber

Fastener Guide for Treated Wood - Extreme How To

No special fasteners are required when building with borate pressure treated wood.” The Osmose, Inc. Legacy Report (NER 648) for its borate preservative states, “The corrosion rates for carbon steel, galvanized steel, stainless steel, aluminum, red brass, and copper are not increased…when the treated wood products are used as recommended .

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What screw is best with treated lumber? - Woodworking Stack .

Pressure treated lumber is treated with Alkaline Copper Quaternary (ACQ), an environmentally friendly water-based preservative that is free of arsenic and chromium. However, ACQ treated lumber is more corrosive to metal, so the right fastener is key to a safe, long lasting deck, fence or other outdoor project.

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Selecting the Right Fastener for Your ACQ Pressure Treated .

Pressure-treated lumber undergoes a chemical process that may cause the accelerated corrosion of metals that come in contact with the wood (like screws and other fasteners). Once the fasteners have corroded, replacing them can be an immensely time-consuming repair for you, depending on the project.

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12 Best Deck Screws for Pressure Treated Wood- Reviews .

The FastenMaster FMGD212-350 GuardDog Exterior Wood Screw is a multi-purpose unit tested and guaranteed to work best in treated wood such as pressure-treated A.C.Q., cedar, and redwood. Its impressive features make it one of the best deck screws for pressure treated wood.

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What Screws Do You Use With Treated Wood? | Hunker

Corrosion-resistant stainless steel screws, nails and bolts in grades 304 and 305 can be used for copper-treated wood in most areas, while grade 316 should be used in coastal areas. But stainless steel fasteners can cost five to 10 times more than similar galvanized fasteners.

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Drive screws that don't corrode - WOOD Magazine

Mechanically galvanized screws are generally suitable for decks and other outdoor projects made of pressure-treated lumber. Nevertheless, you should not use them with PT lumber in contact with the soil, in high-moisture areas, or in areas with salt content in the air.

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