While most of the structure of the deck is made of pressure-treated lumber and sometimes steel beams, the actual decking is the part you walk on. It can be made of The three common choices when it comes to wood decks are redwood, cedar and pressure-treated wood that can be made of various types of wood species.
Wood Support Post. What size support posts should I use for my deck? We recommend using 6x6 posts instead of 4x4's because they are stronger and provide more surface area to support beams. Deck Support Columns
Wood can be impregnated with a variety of preservative chemicals to prevent rot and insect infestation when used in exterior applications like building decks wood is a regionally available softwood. Most common are: Southern Yellow Pine - Southern Pine is the most common deck framing material in eastern United
Mar 1, 2007 A partial solution is to use lumber that's less palatable to fungi: pressure-treated wood or rot-resistant species like cedar, redwood, or ipe. Built-up Beams It's common practice to double- or triple-up 2-by material to form beams. Unfortunately, the space between the pieces creates a collection zone.
One manufacturer has developed a borate-treated lumber, called EnviroSafe Plus (ES+Wood), that uses a polymer binding to seal the borate into the wood . The wood is warrantied for use as decking, deck framing, and other exposed applications not in contact with the ground. However, the product is not yet widely
Where to Use Different Types of Lumber. Framing: Unless your design requires the same wood throughout the entire structure (and your budget can withstand the sticker shock of natural heartwoods), pressure-treated lumber is a good choice for framing. Use lumber rated for ground contact for posts and framing members
In all cases, use the best grade of material you can afford. With wood decking, select tight, straight grain, few if any knots, and low moisture content. [Click any image or table to see an enlarged, detailed version.] Figure 4-1: Photo of decay-resistant deck construction (C) J. Since most wood decking materials are graded only
The three common ratings: Above-ground use (.25, sometimes .15). Typically used for decking, fence and railing material. Ground-contact use (.40). Typically used for posts, beams, joists and, again, decking. Below-grade (.60). Typically used for support posts that are partially buried below grade and for permanent wood
Award-winning deck builder Scott Padgett, of Idyllwild, Calif., uses redwood exclusively for decking. ("Composite decking has no soul," scoffs Padgett.) The California Redwood Association (CRA) recommends using sapwood-streaked construction common or deck common redwood for decking, but Padgett prefers to use
My contractor started building our deck and is not using pt wood for the framing. He claims it is unnecessery here in the California Bay area (near San Francisco). I would guess one should at least use pt wood for the board that is bolted to the house. Any opinions in this matter are greatly appreciated.