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8 Inch Block
Calculator 		200 Series
Calculator 		200 Series
Block Types 		100 Series
Calculator 		Concrete Block
Miter Cuts 		Printable
Block Paper
Block
Gable Cutting 		Templateless
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Inch Inch Inch Inch

This App will calculate the quantity and types of 8 Inch series blocks for concrete core filled, steel reinforced masonry in a standard building.
The different block types allow for concrete core fill to bond beams, lintels above openings and beams under sills.
Show Me Print Block Graph Paper

All Measurement Inputs in Inches All Length Inputs in Inches
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Wall Height must be full courses in multiples of 8".
eg: 104, 112, 116, 124
Wall Height
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How many walls have stop ends.
A 4 walled box nas no ends.
A stand alone wall has 2 (1 each end)
Wall Ends
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Number of bond beam courses at top of walls. There can also be a single beam under each window (Sill Beam)
Bond Beams
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Number of vertical cores that will be concrete filled.
Count the droppers, or starter bars.
(See 'Block Types and Placement')
Starters
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Wall Lengths must be in multiples of 8".
eg: 96, 104, 112, 120 128, 136
Openings
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Include 1 bond beam under each opening (under sill)

Width Height Head Number Sill
Stretchers per Pallet
Blocks /ft³ Loam
Blocks / Bag Cement
Cores / ft³ Concrete
Bars per Beam



Block Types and Placement



20.01 Stretcher
Mouse over blocks in wall to view block types 		This wall is 112" (14 courses) high, 168" long, has 2 bond beams, 2 ends and 1 window at 104" wide X 48" high with head height of 88" (11 courses)

If the 2 ends were corners, the end half blocks would be the ends of stretchers in the other walls and the top bond beam halves would be the ends of Corner Knockouts

Block Type
Print Block Graph Paper to help set out walls and openings.


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All Inch inputs and dimensions are actual physical finished sizes
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Select output Fraction Precision then Re-Calculate to display.
Fraction Precision
Lumber
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Selected value is autoamtically copied to clipboard. Select then Paste into text box.
Prec
0


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20.03 - Half 20.03 - Half 20.03 - Half 20.03 - Half 20.03 - Half 20.03 - Half 20.03 - Half 20.03 - Half 20.03 - Half 20.03 - Half Cut to Knockout if wall end, or Corner Knockout returned 20.03 - Half 20.03 - Half 20.03 - Half 20.03 - Half 20.03 - Half 20.03 - Half 20.03 - Half 20.03 - Half 20.03 - Half 20.03 - Half 20.03 - Half Cut to Knockout if wall end, or Corner Knockout returned 20.71 - Half Height Only if window sill height is multiple of 200, eg: 600, 800, 1000, 1200 20.73 - Half Height Half 20.40 - Sill 20.21 - Corner Knockout At wall ends, and corners to continue bond beam around corner 20.21 - Corner Knockout At wall ends, and corners to continue bond beam around corner 20.28 - Knockout / Lintel Half the block is a Knockout and half is a Lintel. The block is half over the opening, and half in the panel beside 20.12 - Lintel Lintels have a solid flat base and go above openings to form a concrete filled beam 20.20 - Knockout These Knockouts form the bond beam under the sill 20.20 - Knockout Knock out the pieces to form a continuos concrete filled bond beam 20.20 - Knockout Knock out the pieces to form a continuos concrete filled bond beam 20.20 - Knockout Knock out the pieces to form a continuos concrete filled bond beam