Wood Screws For Pressure Treated Lumber

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.

Wood screws for pressure treated lumber.

Simply put acq treated lumber is extremely corrosive to metal fasteners such as nails screws deck hangers etc. Achieve a fastener free surface by using camo tools and edge deck screws to secure boards through its edge. Galvanized steel screws nails and bolts used with copper treated wood must be hot dipped in molten zinc at 850 degrees fahrenheit. This lumber is pressure treated in order to protect it from termites fungal decay and rot.

Once the fasteners have corroded replacing them can be an immensely time consuming repair for you depending on the project. 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. These dull gray fasteners must meet the astm a153 standard for zinc coating quality and the g 185 standard for coating amount. These screws are more suited to withstand the effects of moist air and other kinds of wet coastal environments as well as when working with pressure treated lumber in any climate.

Having done this a few times and seen the results in a coastal climate. Using a traditional pressure treated board doesn t mean you have to fasten it the traditional way. For example your dealer may stock proprietary anti corrrosion technologies matched for alkaline copper quat acq or copper azole ca b. The standard steel screws for instance are prone to leave marks and stains on your wood finish as they begin to succumb to environmental circumstances.

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. This problem has been complicit in a number of deck collapses in recent years the worst of which occurred in kentucky in 2003 where 13 people died and another 57 were injured. When selecting fasteners and connectors you should consider the potential for corrosion in the particular building application. Ideal for a variety of applications including decks play sets landscaping stair support walkways and other outdoor projects where lumber is exposed to the elements.

Depending on your budget desired longevity and application i e where you are building there are strengths and weakne.