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- Wood is chemically treated to protect it from weather, fungal
decay, and termites.
- Use treated wood only where such protection is needed.
- Follow all local, state, and national building and safety codes,
rules, procedures, and guidelines to ensure a safe installation.
- Follow all the recommendations and requirements from the various
complementary manufacturers to ensure a safe installation.
- Use proper lifting and handling techniques because treated
lumber will weigh more than untreated lumber due to the water that is used to carry the preservative into the internal cell structure of the wood.
- Evaluate each board to determine which side is most suitable
for the visible area.
- Only treated wood that is visibly clean and free of surface
residue should be used for patios, decks, and walkways.
- Treated wood should not be used for the storage of drinking
water.
- Treated wood should not be used where it may directly or indirectly
come into contact with drinking water. Incidental contact in the
construction of docks or bridges is allowable.
- Treated wood should not be used where the preservative may
become a component of food or
animal feed. Examples of such usages would be cutting boards,
counter tops, animal bedding,
mulch, and structures or containers for storing animal feed or
human food.
- Treated wood should not be used for construction of those portions
of beehives which may come into contact with the honey.
- Wear gloves when working with treated wood.
- Wear eye-protection when power-sawing and machining treated
wood.
- Wear a dust mask when sawing, sanding, and machining treated
wood.
- Avoid frequent or prolonged inhalation of sawdust from treated
wood.
- Wash hands and face thoroughly after working with treated wood,
especially before eating,
drinking, toileting, and using tobacco products.
- Wash clothes following daily work with treated wood. They should
be laundered separately from
other clothing and household items.
- It is always recommended to work outside when sawing, sanding,
and machining treated wood in order to avoid indoor accumulations
or airborne sawdust from treated wood.
- Allow the treated wood time to dry if it should become wet
during application and is being covered and/or enclosed.
- Pre-drill end areas where the fasteners will be placed in order
to avoid splitting.
- All fasteners must comply with local, state, and federal building
codes and requirements.
- Do not use aluminum fasteners.
- Use corrosion-resistant hot-dipped and stainless steel fasteners
that have been designed for
applications with pressure-treated wood. Always follow the fastener
manufacturer's recommended usage for pressure-treated wood installations.
- Adhesives may be used with the fasteners to assure increased
holding strength and should be
applied according to the manufacturer's recommendations.
- Minimum spanning of the boards should be adhered to in order
to reduce flexing and warping.
- The boards should be butted together in order to compensate
for the initial shrinking of treated
wood unless they have been kiln dried after pressure treatment
or allowed to lay outdoors with all sides exposed to air for a
period of time.
- When 4x4 and 6x6 posts treated posts are used to support the
deck structure, the post holes should be back filled with cement
the length of the sides below grade.
- Use an endcoat preservative on all saw cuts and inside drill
holes during construction while
following the manufacturer's recommendations.
- All sawdust and debris should be thoroughly cleaned up and
disposed of as often as possible during construction.
- Dispose of treated wood by ordinary trash collection. The waste
wood is usually not considered
hazardous to a landfill. (Of course, you need to confirm this
with the local authorities.
- DO NOT BURN TREATED WOOD in open fires, stoves, fireplaces,
residential boilers, or any other
system because toxic chemicals may be produced as part of the
smoke and ashes. An exception would be in allowing of burning treated wood waste from commercial
or industrial usage with specially-designed and fully-approved incinerators or boilers
in accordance with local, state, and federal codes and regulations.
- Follow the manufacturer's recommended instructions if paint,
stain, clear water repellant, or other finish is applied to the
treated wood. For best results, always be sure the treated wood
is dry and clean before proceeding. In addition, a test piece or two should
be fully evaluated to assist in ensuring an acceptable application.
- Use mild soap and water on a dry treated wood surface to remove
any mold growth if it should
develop.
- DO NOT USE DECK CLEANERS OR ANY OXIDIZERS THAT ARE CHLORINE
BASED! Never use chlorine or products that contain chlorine
on your decking material. If the appearance becomes unacceptable
due to extensive weathering, dirt, and mildew, use a power washer
and a deck cleaner that has been specifically made for ACC and
CCA pressure treated wood decks.
- Annually inspect the deck for soundness. With time, the decking
material may become weakened or unsafe due to insect damage, decay,
weathering, erosion, excessive weight load, fastener/hardware
corrosion, and/or changes in the soil medium surrounding the deck
supports. Repair or replace the deck areas which are not maintaining
their integrity.
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