HomeMy WebLinkAboutGN010.3 Detail sheetEWP - DETAIL SHEET
BRICK CANTILEVER DETAILSQUICK REFERENCE
SPAN CHART
Floor Spans for I-Joist Max Spans Recommended Spans
11 7/8" PRI 40
19.2 o. c.18' 2"18' 2"
16 o. c.19' 7"19'
12 o. c.21' 6"20' 6"
11 7/8" PRI 80
19.2 o. c.21' 4"20' 4"
16 o. c.22' 8"21' 4"
12 o. c.24' 11"22' 8"
14" PRI 60
19.2 o. c.22' 2"21'
16 o. c.23' 6"22'
12 o. c.25' 9"22' 8"
16" PRI 80
19.2 o. c.26' 11"23' 11'
16 o. c.28' 6"25'
12 o. c.31' 4"27'
All spans are Max Spans based on(L/480) with up to 1" of deflection
Recommended spans are at (L/480) with less than 1/2" of deflection
Deflections listed represent live load only
Not Valid for flat roofs, decks or floors that must carry walls for ceiling joist
or rafter support.
MULTI-PIECE BEAM
General Notes for Multiple-Piece Beams
Member Depth 31/2 – 51/4 Wide Multiple Piece Member 7 Wide Multiple Piece Member
91/ 4 –117/8
14 –18
1. Top and bottom rows of connectors should be 2 from edge.
2. Bolt holes are to be the same diameter as the bolt. Every bolt must extend through the full thickness of the member. Use washers under
head and nut. Carriage bolts may be used, but the outermost portion of the head may not be drawn in beyond flush with the outside face
of the member.
3. For three-piece members attached with nails or screws, specified attachment is from each side. Stagger fasteners from opposite sides
by half the fastener spacing to avoid splitting.
4. To minimize rotation, 7" wide members should only be used when loads are applied to both sides, or completely across the top
of the member.
5. 7" wide members, regardless of depth, must be attached using bolts or screws.
2 rows 1/2 bolts at 24 o.c.
(pattern C)
or
2 rows 1/4 x 6 SDSscrews at 24 o.c.
(see note 3)
2 rows 16d nails at 12 o.c.
(pattern A)
3 rows 16d nails at 12 o.c.
(pattern B)
Fastening Pattern
Nails Bolts Screws1
A B C2 D E2,3 F3
2 rows 3 rows 2 rows 2 rows 2 rows 2 rows
16d common 16d common 1⁄2 bolts at 24 o.c.1 ⁄2 bolts 1 ⁄4 x 31 ⁄2 screws at 1⁄4 x 31⁄ 2 screws at
at 12 o.c.at 12 o.c.staggered at 12 o.c. 24 o.c. staggered 12 o.c.
Nails Bolts Screws
A (Nails), D (Bolts) or F (Screws) =
Two Rows 12" O.C.
C (Bolts) or E (Screws) =
Two Rows 24" O.C.
B (Nails) =
Three Rows 12" O.C.
24"12"12"
1. Screws are Simpson Strong-Tie SDS Series installed per manufacturer’s recommendations.
2. Stagger each row of fasteners by 12 .
3. When screws are used in attaching members to form a 7 thick beam:
a) specified attachment is from each side (stagger screws from opposite sides by half the fastener spacing to avoid splitting),and
b) screws must be 6 long, unless the center member is 31⁄2 thick.
4. Nails are only to be used for top load applications.
o.c.
o.c.
o.c.
o.c.
Install these hangers upside down
Blocking Panels
Install single ply of IVI
board 7’ back from end
Set LVL to inside of framed wall
and fill space with framing lumber
O.C.
O.C.
O.C.
O.C.
O.C.
O.C.
Filler block to be used when
side loading a double joist
Two 10D nails every 12” O.C.
use same pattern on second
side starting 6” from first
pair of nails on the first side
FILLER BLOCK SIZES
9-1/2” PRI-40
11-7/8” PRI-40
11-7/8” PRI-80
14” PRI-60
16” PRI-80
2-1/8” x 6”
2-1/8” x 8”
3-1/8” x 8”
2-1/8” x 10”
3-1/8” x 12”
13
TOP MOUNT
HANGER
BEAM
FACE MOUNT
HANGER
WEB STIFFENERS ARE REQUIRED IF
THE SIDES OF THE HANGERS DO NOT
LATERALLY SUPPORT THE TOP
FLANGE OF THE I-JOIST
14
11 I-JOIST CANTILEVER DETAIL FOR BALCONIES
CANTILEVER EXTENSION SUPPORTING
UNIFORM FLOOR LOADS ONLY
RIM BOARD,
OR WOOD
STRUCTURAL PANEL
CAUTION:
CANTILEVERS FORMED THIS
WAY MUST BE CAREFULLY
DETAILED TO PREVENT MOISTURE
INTRUSION INTO THE STRUCTURE
AND POTENTIAL DECAY OF
UNTREATEDI-JOIST EXTENSIONS.
3-1/2” MIN. BEARING REQUIRED
I-JOIST, OR APA
RIM BOARD
ATTACH I-JOISTS
TO PLATE AT ALL
SUPPORTS PER
DETAIL 1.
4‘ MAXIMUM
12
FULL DEPTH BACKER BLOCK WITH 1/8” GAP BETWEEN BLOCK AND TOP FLANGE OF
I-JOIST. SEE DETAIL7. NAIL WITH 2 ROWS OF 10D NAILS @ 6” O.C. AND CLINCH.
I-JOIST, OR APA RIM BOARD
3-1/2” MIN. BEARING REQUIRED
LUMBER OR
WOOD STRUCTURAL
PANEL CLOSURE
CANTILEVER
EXTENSION
SUPPORTING
UNIFORM
FLOOR LOADS
ONLY
4‘ MAXIMUM
2 TIMES THE LENGTH
OF CANTILEVER MIN.
ATTACH I-JOISTS
TO PLATE AT ALL
SUPPORTS PER
DETAIL 2
2 X 8 MIN. NAIL TO BACKER BLOCK AND JOIST
WITH 2 ROWS OF 10D NAILS @ 6” O.C. AND
CLINCH. (CANTILEVER NAILS MAY BE USED TO
ATTACH BACKER BLOCK IF LENGTH OF NAIL IS
SUFFICIENT TO ALLOW CLINCHING.)
LUMBER CANTILEVER DETAIL FOR BALCONIES
10
APA RIM BOARD OR WOOD
STRUCTURAL PANEL CLOSURE
(23/32” MINIMUM THICKNESS)
METHOD 1
SHEATHING REINFORCEMENT ONE SIDE
METHOD 2
SHEATHING REINFORCEMENT TWO SIDES
8D NAILS
3-1/2” MIN.
BEARING REQUIRED
NOTE: APA RATED SHEATHING 48/24 (MINIMUM THICKNESS 23/32”) REQUIRED ON SIDES OF JOIST. DEPTH SHALL MATCH THE
FULL HEIGHT OF THE JOIST. NAIL WITH 8D NAILS AT 6” O.C., TOP AND BOTTOM FLANGE. INSTALL WITH FACE GRAIN HORIZONTAL.
ATTACH I-JOIST TO PLATE AT ALL SUPPORTS PER DETAIL 2.
ST
R
E
N
G
T
H
A
X
I
S
PRI BLOCKING PANEL
USE NAILING PATTERN SHOWN
FOR METHOD 1 WITH OPPOSITE
FACE NAILING OFFSET BY 3”
2‘ - 0”
MAXIMUM
4‘ - 0”
MINIMUM
STR
E
N
GTH
AXIS
9 DO NOT BEVEL-
CUT JOIST BEYOND
INSIDE FACE
OF WALL.
ATTACH I-JOIST
PER 2.
NOTE: BLOCKING REQUIRED AT
BEARING FOR LATERAL SUPPORT,
NOT SHOWN FOR CLARITY.
8
2X PLATE FLUSH
WITH INSIDE FACE
OF WALL OR BEAM
NOTE: UNLESS HANGER SIDES
LATERALLY SUPPORT THE TOP
FLANGE, BEARING STIFFENERS
SHALL BE USED.
TOP MOUNTED HANGER
INSTALLED PER MANUFACTURERS
RECOMMENDATIONS
7
FILLER BLOCK
TOP OR
FACE-MOUNTED
HANGER
DOUBLE I-JOIST HEADER
NOTE: UNLESS HANGER SIDES
LATERALLY SUPPORT THE TOP
FLANGE, BEARING STIFFENERS
SHALL BE USED.
BACKER BLOCK REQUIRED
(BOTH SIDES FOR FACE-MOUNTED HANGERS)
BACKER BLOCK (USE IF HANGER EXCEEDS 250LBS.)
BEFORE INSTALLING A BACKER BLOCK TO A DOUBLE
I-JOIST, DRIVE 3 ADDITIONAL 10D NAILS THROUGH
THE WEBS AND FILLER BLOCK WHERE THE BACKER
BLOCK WILL FIT. CLINCH. INSTALL BACKER TIGHT TO
TOP FLANGE. USE TWELVE 10D NAILS, CLINCHED WHEN
POSSIBLE. MAXIMUM CAPACITY FOR HANGER FOR
THIS DETAIL = 1280 LBS.
BACKER BLOCKS (BLOCKS MUST BE LONG ENOUGH TO
PERMIT REQUIRED NAILING WITHOUT SPLITTING)
*MINIMUM GRADE FOR BACKER BLOCK MATERIAL SHALL BE UTILITY GRADE SPF (SOUTH) OR BETTER FOR SOLID SAWN LUMBER AND
RATED SHEATHING GRADE FOR WOOD STRUCTURAL PANELS.
** FOR FACE-MOUNT HANGERS USE NET JOIST DEPTH MINUS 3-1/4˝ FOR JOISTS WITH 1-1/2˝ THICK FLANGES. FOR 1-5/16˝ THICK FLANGES
USE NET DEPTH MINUS 2-7/8˝.
FLANGE
WIDTH
2-1/2˝
3-1/2˝
MINIMUM
DEPTH**
5-1/2˝
7-1/4˝
MATERIAL THICKNESS
REQUIRED*
1˝
1-1/2˝
2 APA RIM BOARD
ONE 8D NAIL AT TOP AND
BOTTOM FLANGE
ATTACH RIM BOARD TO
TOP PLATE USING 8D BOX
TOENAILS @ 6˝ O.C.
ONE 8D FACE
NAIL AT EACH
SIDE AT BEARING
TO AVOID SPLITTING FLANGE START NAILS AT LEAST 1-1/2˝ FROM END
OF I-JOIST. NAILS MAY BE DRIVEN AT AN ANGLE TO AVOID
SPLITTING OF BEARING PLATE.
TRANSFER LOAD FROM
ABOVE TO BEARING BELOW.
MATCH BEARING AREA OF
BLOCKS BELOW TO POST ABOVE.
4 6
8D NAILS AT 6˝ O.C.
TO TOP PLATE PRI BLOCKING
PANEL PER 1
BLOCKING REQUIRED OVER ALL INTERIOR
SUPPORTS, UNDER LOAD BEARING WALLS,
OR WHEN FLOOR JOIST ARE NOT CONTINUOUS
OVER SUPPORT. WHEN JOIST ARE CONTINUOUS
SQUASH BLOCKS MAY BE USED TO REPLACE PRI
BLOCKING PER DETAIL 3.
LOAD BEARING WALL ABOVE SHALL ALIGN VERTICALLY
WITH THE WALL BELOW. OTHER CONDITIONS, SUCH AS
OFFSET WALLS, ARE NOT COVERED BY THIS DETAIL.
1 PRI BLOCKING PANEL
Attach I-JOIST
TO TOP PLATE PER 2
8D NAILS @ 6˝ O.C.
(WHEN USED FOR LATERAL
SHEAR TRANSFER, NAIL TO
BEARING PLATE WITH SAME
NAILING AS REQUIRED
FOR DECKING)
3
PAIR OF SQUASH BLOCKS
2X LUMBER
3-1/2˝ WIDE
4000 7000
5-1/2˝ WIDE
VERTICAL LOAD TRANSFER
CAPACITY PER PAIR OF
SQUASH BLOCKS (LB)
PROVIDE LATERAL BRACING PER 1, OR 2
BLOCKING PANEL
SQUASH BLOCK
+ 1/16˝
FOR SQUASH
BLOCKS
5
WALL SHEATHING,
AS REQUIRED
PROVIDE BACKER
OR RIMBOARD FOR
SIDING ATTACHMENT
UNLESS NAILABLE
SHEATHING IS USED
APA RIM BOARD MAY BE USED WITH I-JOISTS.
BACKER IS NOT REQUIRED WHEN APA RIM BOARD IS USED.
PRI
PRI
o.c.
o.c.
o.c.
o.c.
o.c.PRI
PRI
PRI
PRI
USE HANGERUSE HANGER
PER LAYOUT PER LAYOUT
IF SPECIFIEDIF SPECIFIED
Engineered Wood Products
05/25/22