Door Details in Masonry
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Transcript of Door Details in Masonry
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Door Details in Masonry
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Masonry Construction Detailer needs to understand
– how a door is installed – space available (Masonry Opening)
Masonry Opening (MO) based on– size of masonry units– size of joints– door size
Masonry Openings need to be exact– dimensioning is from masonry to masonry
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Modular System 4” modular system best for masonry construction Categories or groupings of doors as established by Masonry
Design Manual– Group 1
» Door sizes: 2’0, 2’4, 2’8, 3’0– Group 2
» Door sizes: 2’2, 2’6, 2’10, 3’2 Don’t mix groups Either group can be increased by multiples of 4”
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Group 1 vs. Group 2 Doors for 6’8” door with 3/8” mortar joint
Group 1 (Scheme A) Group 2 Scheme A
Notes: Add 4” for either Group when using 8” block height
Group selection will effect foundation design
--2 3/16” head –1 3/16” head--2 3/16” jamb –1 3/16” jamb
--2 3/16” below floor line w/ 4” block height
–3 3/16” below floor line w/ 4” block height
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Group 1 - Head Detail (Jamb Sim)
buck 1 1/2” nominal 1 3/16” net
shim space 1/4”
finished jamb 1” nominal 3/4” net
Total Head/Jamb =2 3/16”
wood spline
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Group 2 - Head Detail (Jamb Sim)
•buck-- none used
•shim space--none
finished jamb 1 1/2” nominal 1 3/16” net
Total Head/Jamb =1 3/16”
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Masonry Openings Group 1 Masonry Width Opening Determination
– Step 1--door size + 2* jamb width– Step 2--door size + 2 * 2 3/16– Step 3(answer)--door size + 4 3/8 = MO
Group 2 Masonry Width Opening Determination– Step 1--door size + 2 * jamb width– Step 2--door size + 2 * 1 3/16– Step 3(answer)--door size + 2 3/8 = MO
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Jamb Anchorage for Group 1 •Bolts directly in grout •Nails at angle
Buck installed with or after block work
Buck must be installed with block work
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Pictorial Jamb Anchorage by bolts
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Jamb Anchorage for Group 2Metal anchors embedded in grout
No buck, frame must be installed with block work
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Pictorial of Veneer Brick w/ Wood Frame
Code usually requires weight of veneer (brick) not be placed directly on wood frame
Lintel used to support brick– angle iron
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Veneer Detail with Wood Frame
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Metal Door Frame and Jamb Anchors
A variety of jamb anchors
Usually 14 or 16 gauge steel frames
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Pictorial of Metal Door Jamb in Solid Masonry Wall
Jamb must be installed with block work
Also notice caulking to seal off air infiltration into structure
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ASSIGNMENT Sheet A-8 Provide Door Type Elevations w/ dimensions Detail door jambs and header Use door schedule on page A-10 Repeat for widow types (must match elevations)
HINT: Search Class Architecture Folder
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Drafting ExerciseMasonry Door Detail Profile drawing, use 1/4” diameter anchor bolts Align both views (In book the alignment is off) Both details, callout 2-#4 Rebar Location of dimension for door height is incorrect (HEAD
detail), should go to door frame instead of door trim (detail is as per group 2, scheme A)
Finished Head is 1 1/2 x 6 nominal size There should be no thin lines (JAMB detail) left side of
door section