Bar Joist Greenhouse

SIZES

Widths: 20’ & 23’ (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

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
bar joists
welded channel hot dipped galvanized bar joists every 12’ bolted to posts

REGULAR BOWS
Pipe sizes
1 5/8” X .042 STRUCTURAL ROUND TUBING
ROOF PURLINS 1 3/8” X .042 STRUCTURAL ROUND TUBING
1 RUN AT TOP CHORD OF EACH HOUSE, RUN attached to bar joists

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

HEAVY

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