Decks as Outdoor Rooms

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Outdoor rooms are different from ordinary rooms. They serve as an intermezzo between home and nature. The air is fresh. You can feel the sun's warmth and smell the garden. Nature air-conditions outdoor rooms with soft breezes and outdoor rooms are the perfect place to watch shadows grow and the stars come out on a summer night. Redwood decks, regarded as one of the more durable and aesthetically pleasing deck building materials, create a natural focal point for outdoor living environments. As walking surfaces and entertaining areas, decks organize large spaces and reclaim irregular or sloped land. Redwood stairs and walkways provide attractive footpaths. Decks can range from simple platforms to multi-level projects using a variety of shapes and amenities. Openings in the deck surface can allow for plantings and incorporate elements of outdoor furniture. Decking may be parallel or diagonal. Redwood's superior stability also permits the use of parquet patterns. Concrete footings provide the best support for deck framing. Tops of footings should extend 6 inches above ground and should be pitched outward to prevent water collection and inhibit decay and insects. The deck framing tables shown below are for single spans of non-stress graded Construction Heart and Construction Common redwood. Suggested Beam Spans Beam Spacing Beam Sizes Spans Spans Spans 6 feet 4' 0" 5' 0" 7' 0" 8 feet 3' 3" 4' 3" 6' 3" 10 feet 3' 0" 3' 9" 5' 6" 12 feet 2' 9" 3' 6" 5' 0" Suggested Joist Spans Joist Size Joist Spacing Joist Span 2 x 6 16" on center 7' 3" 24" on center 6' 0" 2 x 8 16" on center 10' 9" 24" on center 8' 9" 2 x 10 16" on center 13' 6" 24" on center 11' 0" Concentrated loads of planters, spas and other heavy objects may require additional joists and larger beams. Local building codes should be consulted regarding structural regulations. Design loading, with deflection limited to L/180, sets a maximum two-foot span for 2-inch decking. Provide 1/8 inch minimum space between boards, and center all large knots and butt-jointed board ends over joists. Beam span is the distance a beam extends from one post to the next. Beam spacing is the distance between beams. Deflection is limited to L/240. 8x10 Deck Construction Tip This small deck can make a big difference at a garden doorway, next to a retaining wall or under your favorite tree. It's relatively easy to build and won't cost too much either. Deck Materials Construction Heart Redwood Description Quantity Size Length Posts 6 pieces 4x4 varied Skirtboard 2 pieces 2x12 10 feet Skirtboard 2 pieces 2x12 8 feet Ledgers 2 pieces 2x4 8 feet Joists 4 pieces 2x8 8 feet Construction Common Redwood Deckboards 26 pieces 2x4 10 feet Other Materials Quantity Description 1 lb. 16-penny nails 8 2x8 joist hangers 10 3/8x2 1/2-inch lag screws 10 3/8x6-inch carriage bolts, washers & nuts 6 Concrete footings with nailing blocks