Grand Trussed Bow

SIZES

Widths: 21’, 23’, 30’ & 35’ (free standing or gutter connected)
Lengths: any length in 12’ increments (36’, 48’, 60’ etc.)
Heights: 9’ THROUGH 16’ GUTTER hts. (clearance under truss is 4” less than GUTTER ht.)

STRUCTURAL COMPONENTS

Posts: (minimum requirements)
9’ & 10’ eaves – 2” x 3-1/4”, 12 ga. galv. C-posts
11’ & 12 eaves – 3-1/2” x 3-1/2”, 12 ga. galv. C-posts
13’ & 16’ eaves – 3” x 3”, 11 ga. galv. sq. posts

V-bottom GUTTERS
1/8” EXTRUDED ALUM. WITH BUILT-IN WIRE-LOCK BASES OR 14 GA. GALVALUME, BOTH 8” WIDE, 2½” EDGES, 1½” LIPs
Oversized SPLICES BOLT TO GUTTERS WITH SEALANT, SPLICES BOLT TO POSTS
GUTTERS AND SPLICES ALSO AVAILABLE IN HOT DIPPED GALVANIZED

SIDE & END PURLINS
1½” HIGH X 16 GA GALVANIZED HATBOX CHANNEL

WIND BRACING
¼” GALVANIZED CABLE WITH 3/8” EYEBOLTS SPACED AS REQUIRED FOR MAXIMUM STRENGTH AND STABILITY CONCRETE FOUNDATION 3’ DEEP X 12” DIAMETER, MINIMUM

ROOF STRUCTURE

TRUSSED BOWS
BOLTED EVERY 12’ TO GUTTER AND POSTS.
DIAGONAL KNEE BRACE BOLTED ON EACH END OF TRUSS FROM THE BOTTOM CHORD TO POST

PIPE SIZES
21’, 23’ & 30’
1 5/8” X .042 STRUCTURAL ROUND TUBING FOR TOP & BOTTOM CHORDS, webbing & knee bracing
35’
1 5/8” X .055 STRUCTURAL ROUND TUBING FOR top & bottom chord
1 5/8” x .042 structural round tubing for WEBBING AND KNEE BRACING

REGULAR BOWS
PIPE SIZES
21’, 23’ & 30’
1 5/8” X .042 STRUCTURAL ROUND TUBING
35’
1 5/8” X .055 STRUCTURAL ROUND TUBING

ROOF PURLINS
1 3/8” X .042 STRUCTURAL ROUND TUBING
21’ & 23’
1 RUN AT TOP CHORD OF EACH HOUSE, 2 RUNS AT BOTTOM CHORD OF EACH HOUSE
30’ & 35’
3 RUNs AT TOP CHORD OF EACH HOUSE, 2 RUNS AT BOTTOM CHORD OF EACH HOUSE

GABLE DIAGONALS
1 3/8” X .042 STRUCTURAL ROUND TUBING
EACH GABLE END IS DIAGONALLY BRACED TO POSTS BOWS AND GUTTERS

OTHER COMPONENTS

  • FOR POLY COVERING, THE ENTIRE ROOF PERIMETER OF EACH BUILDING WILL HAVE ALUMINUM POLY LATCHING EXTRUSIONS
  • INFLATION FANS – DAYTON SHADE POLE, SQUIRREL CAGE BLOWERS MOUNTED ON AN ALUMINUM BRACKET FOR POLY INFLATION
  • SLIDING DOORS – 16 GA GALVANIZED 1 ½” SQ TUBING WELDED DOOR FRAMES MADE AS REQUIRED. CORRUGATED POLYCARBONATE COVERED WITH ALUM TRIM
  • WALK-IN DOORS – 3’ OR 4’ ALUMINUM FRAMED, ALUMINUM CLAD WOOD CORE DOORS WITH LOCKING HARDWARE. DOUBLE DOORS AVAILABLE
  • FASTENERS – ALL BOLTS, NUTS AND WASHERS ARE HOT DIPPED GALVANIZED OR STAINLESS STEEL. ALL TEK SCREWS ARE COATED, GALVANIZED HIGH STRENGTH STEEL

HANGING CAPACITY

21’ & 23’ MODERATE TO HEAVY, 30’ moderate, 35’ light

COVERINGS

ROOF – DOUBLE OR SINGLE POLY, SHADECLOTH, POLY/SHADECLOTH COMBINATION
WALLS – SHADE CLOTH, POLYCARBONATE SHEETING (CORRUGATED OR TWIN WALL), POLY, CURTAIN MATERIAL

AVAILABLE EXTRAS

FANS, COOLING SYSTEMS, HAF FANS, HEATING SYSTEMS, IRRIGATION SYSTEMS, MANUAL OR MOTORIZED
SIDEWALL CURTAINS SYSTEMS, OVERHEAD SHADE SYSTEMS, BENCHES AND SIDEWALKS

ENGINEERING

EACH GRAND GREENHOUSE STRUCTURE IS ENGINEERED TO MEET OR EXCEEDS WIND LOAD REQUIREMENTS