What Kind Of Fasteners For Pressure Treated Wood

This means the coatings will provide corrosion resistance for outdoor building projects using lumber like cedar or redwood.

What kind of fasteners for pressure treated wood.

These dull gray fasteners must meet the astm a153 standard for zinc coating quality and the g 185 standard for coating amount. Many manufacturers have developed proprietary fastener coatings that they claim offer sufficient protection against corrosion when used with pressure treated lumber. The copper in pressure treated wood acts as one type of metal and the hardware you use to build your project is the other. The g 185 coating is equivalent to 1 85 ounces of zinc per square foot of steel.

Fasteners for pressure treated wood if you purchase one of the new generation pressure treated woods came to the market in 2004 or later be sure to ask your retailer about recommended screws and fasneners. The coating weights for zinc coated fasteners shall be in accordance with astm a153. The accelerated corrosion that follows could be common rust which often occurs with steel fasteners or it could be pitting which more often occurs with aluminum and certain kinds of stainless steel. The 2006 international residential code states fasteners for pressure preservative and fire retardant treated wood shall be of hotdipped zinc coated galvanized steel stainless steel silicon bronze or copper.

Further the extra coating on these screws are a great bulwark against rusting. For example your dealer may stock proprietary anti corrrosion technologies matched for alkaline copper quat acq or copper azole ca b. For one thing you can find these multiple coated screws in a variety of colors which will allow you to match the wood tone of the pressure treated lumber you are using.