Wood Screws For Pressure Treated Lumber

These dull gray fasteners must meet the astm a153 standard for zinc coating quality and the g 185 standard for coating amount.
Wood screws for pressure treated lumber. While face fastening works the boards will likely split and crack over time. 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. Find pressure treated lumber at lowe s today. When selecting fasteners and connectors you should consider the potential for corrosion in the particular building application.
Once the fasteners have corroded replacing them can be an immensely time consuming repair for you depending on the project. Your choices are coated stainless or galvanized. Simply put acq treated lumber is extremely corrosive to metal fasteners such as nails screws deck hangers etc. 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 lumber is pressure treated in order to protect it from termites fungal decay and rot. Depending on your budget desired longevity and application i e where you are building there are strengths and weakne. Galvanized steel screws nails and bolts used with copper treated wood must be hot dipped in molten zinc at 850 degrees fahrenheit. 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. 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. Achieve a fastener free surface by using camo tools and edge deck screws to secure boards through its edge. For example your dealer may stock proprietary anti corrrosion technologies matched for alkaline copper quat acq or copper azole ca b.
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.