Storage Shed - Construction Notes

  1. foundation and floor
    • remove sod (grass + 2" soil)
    • level ground
    • 3"-4" gravel bed
    • spray with water and compact
    • stacked solid concrete blocks
    • shingles between concrete blocks and skids
    • 4"x6"x12' #2 treated skids
      • cut 45-deg angle on ends
      • drill 1.5"-diameter hole about 4" from each end
      • treated wood isn't treated all the way through; put preservative on cuts
    • 2"x6"x12' treated rim joist
    • 2"x6"x8' treated floor joist
    • 23/32" x 4' x 8' CCX treated plywood for floor
      • use 2" decking screws 6" apart along edges and 12" apart along intermediate supports
  2. walls
    • framing
      • roof
        • (10) 2"x4"x10' rafter
        • cut gussets from extra plywood
        • (2) 2"x4"x8' ceiling joist
        • (2) 2"x4"x8' braces for end of rafters -- cut into 3.5" pieces (2 per rafter)
      • lean-to roof
        • (2) 4"x4"x8' treated posts
        • (1) 2"x6"x8' horizontal beam connecting posts
        • (2) Simpson connectors
        • (1) 2"x4"x8' treated wall connection
        • (7) 2"x4"x8' rafters
        • (2) 4'x8' sheathing
        • (6) ply clips
        • (2) facia
      • back wall
        • (3) 2"x4"x12' bottom and top plates
        • (10) 2"x4"x8' stud
        • (3) 3/8" or 11/32"x4'x8' RS Pine Siding with 8" grooves
        • (2) siding stain
        • (1) trim stain
        • (4) brushes
      • front wall
        • (3) 2"x4"x12' bottom and top plates
        • (8) 2"x4"x8' stud
        • (1) 2"x6"x8' door and window header beam
        • (2) 2"x4"x8' door jack stud
        • (2) 2"x4"x8' window stud
        • (6) 2"x4"x8' header brace + door
        • (3) 3/8" or 11/32"x4'x8' RS Pine Siding with 8" grooves
      • side 1
        • (6) 2"x4"x8' stud
        • (3) 2"x4"x8' bottom and top plates
        • (3) 3/8" or 11/32"x 4'x8' RS Pine Siding with 8" grooves (one extra for pitched portion of walls)
        • (1) z-bar
      • side 2
        • (6) 2"x4"x8' stud
        • (3) 2"x4"x8' bottom and top plates
        • (2) 3/8" or 11/32"x 4'x8' RS Pine Siding with 8" grooves
        • (1) z-bar
      • will need extra 2x4s to temporarily hold walls in place -- can use jack studs
      • check that corners are plumb when standing up walls
      • use two 3" screws between each floor beam to hold wall to floor (into ridge joist)
        • also screw through corner board and each corner stud
      • cut out the threshold board after wall is erected
      • screw walls together with 3" screws 12" apart
    • window
      • Pella ThermaStar 36"x24" vinyl 10 sliding (left-right) window
        • rough opening: 36"x24"
        • actual frame size: 35.5"x23.5"
    • wall vents
    • siding
      • 3/8" or 11/32" RS Pine Siding
      • apply stain with 4"x6" pad, let is soak for 10 minutes, scrub surface with stiff-bristles scouring brush
      • lay plywood upside down when cutting with circular saw
      • use 1.5" stainless or galvanized nails with spiral or ringed shanks 10" apart on siding
      • z-bar
    • door
      • framing
        • shim the jack studs and header for plumb and level
      • hardware
        • use nails as spacers between door and jack stud when hinges are installed
        • use a 3" decking screw in each hinge (in jack stud)
        • drill pilot holes for 3" screws
        • use at least one carriage bolt in each hinge to keep it from being removed from the outside (drill hole in hinge larger if needed)
        • lockable hasp installed 36" up from bottom of door
    • trim
      • all
        • treated appearance board
          • (14) 1"x4"x8' side and door trim
          • (2) 1"x4"x10' rake facia
          • (2) 1"x4"x12' eave facia
        • wait to put on trim until lean-to is added
        • use 1.5" siding nails on trim
        • start trim at top, on sides and then work down and to the front and back
      • eaves
        • run rake trim too long and trim later
      • door
        • 1"x4" treated trim on plywood door 
        • top of middle, horizontal trim board should be approx. 38" from bottom edge of door
  3. roof
    • framing
      • put crowns up
      • attach gussets with construction adhesive and 1" roofing nails
      • fasten trusses on one side only, align walls, fasten other side starting at center truss
    • soffit
      • rip extra plywood into 5" strips
    • sheathing
      • (4) 15/32" 4X8 BC PINE ULX EXTERIOR
        • rip three 10" strips from one sheet
        • will have extra 0.5"x18"x8' which is enough for soffit
      • offset the ends of the sheets
      • (18) 1/2" plywood clip
        • install 1 plywood clip between each pair of trusses
      • 2" nails 6" apart along edges and 12" apart on intermediate supports
    • gable overhang
      • (6) 2"x4"x10'
      • (2) 1"x6"x10' rake board
      • screw three 2x4s together + 1x6 fascia to form overhang
      • goes on after siding
      • leave rake board 6" too long and trim later
    • drip edge
      • (4) 4.5"x1"x10' brown
      • use 0.75" roofing nails on drip-edge 10" apart and about 1" from rear edge of the flashing
      • install front drip-edge first
      • lap side drip-edge over front drip-edge
    • shingles
      • 125 sqft + 64 sqft for lean-to
      • extra shingles for edges and starter row (turned backwards)
        • 4 shingles for water barrier on concrete blocks
        • 15 shingles for starter row and edge on main roof
        • 10 shingles for ridge
        • 8 shingles for starter row and edge on lean-to
        • 26 or 27 shingles per bundle
      • starter row
        • extend 3/8" beyond rake and eaves
        • fasten with 5 nails 2" or 3" up from eaves
        • do rake first, then eaves; don't overlap them
      • ridge
        • cut 3-tab shingles into three 12"x12"  pieces
        • cover exposed nails with asphalt plastic cement