Suspended oval fireplace CAD block · elevation
2′-7½″800 mm
6′-10⅝″2100 mm
Elevation · 31½″ × 82⅝″800 × 2100 mm · next to a 6 ft (1,829 mm) person
Description
Here the suspended oval fireplace is drawn in elevation at 1:1, 31½″ wide and 82⅝″ high (800 × 2100 mm). It comes from the Fireplaces pack, 22 drawings made the same way.
Both versions, inches and millimeters, are DWG files that open in AutoCAD 2000 or newer; insert either one at scale 1 and it lands at its real size. The file names say which is which: cadgrid-suspended-oval-fireplace-elevation_in.dwg for inches and cadgrid-suspended-oval-fireplace-elevation_mm.dwg for millimeters.
US codes (IRC R1001.10) ask for a hearth extension of 16″ (406 mm) in front of the opening and 8″ (203 mm) at the sides, or 20″ and 12″ for openings of 6 sq ft and up.
Common questions
What are the dimensions of the suspended oval fireplace CAD block?
It measures 31½″ wide and 82⅝″ high (800 × 2100 mm) in elevation, taken from the outer edges of the drawing. The page shows the same sizes in both units next to the drawing.
Is this block in inches or millimeters?
Both. cadgrid-suspended-oval-fireplace-elevation_in.dwg is drawn in inches (INSUNITS 1) and cadgrid-suspended-oval-fireplace-elevation_mm.dwg in millimeters (INSUNITS 4). Insert the one that matches your drawing at scale 1 and the block comes in at its real size.
How far does the hearth have to extend?
For a masonry fireplace under the IRC: 16″ (406 mm) in front of the opening and 8″ (203 mm) beyond each side, or 20″ (508 mm) and 12″ (305 mm) when the opening is 6 sq ft or more. Check the manufacturer's figures for factory-built units.
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