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I-Joist Application: Floor Joist Roof Joist Other
Existing Joist Size (Optional): (No existing joists) 2X4 2X6 2X8 2X10 2X12 2X14 2X16 2X18 (2) 2X4 (2) 2X6 (2) 2X8 (2) 2X10 (2) 2X12 (2) 2X14 (2) 2X16 (2) 2X18
Allowable Min. Joist Depth: Any depth below 9 1/2" 11 7/8" 14" 16"
Joist Span (s): #1 #2 #3 #4
Cantilever Length- Right: Left:
Joist Support Right: 2X4 Stud Wall 2X6 Stud Wall 2X8 Stud Wall 2X4 Sill Plate 2X6 Sill Plate 2X8 Sill Plate Beam (Dimension Lumber) Beam (TJ Product) Hung on Joist Hung on Beam
Joist Support Left: 2X4 Stud Wall 2X6 Stud Wall 2X8 Stud Wall 2X4 Sill Plate 2X6 Sill Plate 2X8 Sill Plate Beam (Dimension Lumber) Beam (TJ Product) Hung on Joist Hung on Beam
Joist Spacing (o.c.): 12" 16" 19.2" 24" 32" other on center
Tell Us About The Loading Conditions of the Joist: Please tell us the exact loads of the joist:
Choose the roof pitch (if applicable): less than 1:12 1:12 2:12 3:12 4:12 5:12 6:12 7:12 8:12 9:12 10:12 11:12 12:12 greater than 12:12 Live Load in psf: psf.
Choose the floor or roof covering material: Composition Roofing Wood Shingles Rolled Roofing Tile Shingles Carpet Flooring Linoleum Flooring Ceramic Tile Hardwood Flooring Light Weight Concrete Dead Load in psf: psf.
Choose the snow loading (if applicable): (None) 25 lbs 30 lbs 35 lbs 40 lbs 45 lbs 50 lbs 55 lbs 60 lbs 65 lbs 70 lbs 75 lbs 80 lbs 85 lbs 90 lbs 95 lbs 100 lbs 105 lbs 110 lbs 115 lbs 120 lbs 125 lbs 130 lbs
(Snow loading may be obtained by calling the
local building department in the area of construction,
either city or county.)
Note: Any additional loading (e.g. A/C units, large furniture, walls above, etc.) must be added to this form.
Please call The TJXpert toll free at (800) 233-7888 or submit a sketch indicating the location of the loading
and fax it with a cover page to The TJXpert @ 530-243-5516. Continue