2X SOLID BLOCKING REQUIRED FOR 2X2 OR 2X4 @3" O.C. MIN. SPACING ROOF SLOPE: ¼" PER FOOT MIN. ALL SOLID PATIO COVERS W/ MIN (3) LATTICE OR ½” nominal PLYWOOD RAFTER SPACING: SEE TABLE “A” EDGE NAIL PLYWOOD W/ 8d 16d TOENAILS TO HEADER, OR A-34 WITH BUILT-UP OR ROLL ROOFING NAILS @ 6" O.C. (Standard 6" / OR EQUAL FRAMING ANGLES 12" nailing elsewhere)
SIMPSON H2 (OR EQUAL) SIMPSON (OR EQUAL) HURRICANE CLIPS @ 48" O.C. HEADER SPAN & SIZE: 24" POST CAPS OR 24" SEE TABLE “B” MAX. MAX. "T" STRAP EACH SIDE OVERHANG OVERHANG ½” DIA. THRU BOLTS KNEE BRACE: OR 16d NAILS SEE FRAMING CLEARANCE: RAFTER SPAN & SIZE SEE TABLE "A" 6' - 8" MIN. DETAILS (PG. 2) 8' - 0" MAX. EXISTING WOOD STUD WALL Typical COLUMN BASE -USE SIMPSON CBSQ, PBS 4x4 Posts 3 ½" CONCRETE OR EQUAL W/BOLTS/ min SLAB TYPICAL SCREWS/NAILS PER SLOPE MFG. SPECS. 4X4 POST 1" STANDOFF BETWEEN CONCRETE AND WOOD POST
TABLE "A" TABLE "B" TABLE "C" TABLE "D" RAFTER SPANS HEADER SIZE & SPANS FOOTING SIZE LEDGER (DOUGLAS FIR #2 OR BETTER) (DOUGLAS FIR #2 OR BETTER) BOLTING 1
12" O.C. 9' -10" 8'-0" MAX 4 x 6 18" SQ. X 12" DEEP 16" O.C. 8' - 11" 10'-0" MAX 4 x 8 18" SQ. X 12" DEEP 1/2" DIA. X 5" 24" O.C. 7' - 8" 12'-0" MAX 4 x 10 18" SQ. X 12" DEEP LONG AT 16" O.C. STAGGERED 32" O.C. *6' - 3" 14'-0" MAX 4 x 12 18" SQ. X 12" DEEP 12" O.C. 15' - 4" 8'-0" MAX 4 x 8 24" SQ. X 12" DEEP (2) 3/8" DIA X 5" 16" O.C. 13' - 9" 10'-0" MAX 4 x 10 24" SQ. X 12" DEEP LONG AT 16" 24" O.C. 11' - 3" 12'-0" MAX 4 x 12 24" SQ. X 12" DEEP O.C. 32" O.C. *9' - 7" 14'-0" MAX 4 x 14 24" SQ. X 12" DEEP 12" O.C. 20' - 0" 16" O.C. 18' - 2" 1. TWO 2X MEMBERS MAY BE SUBSTITUTED FOR ONE 4X HORIZONTAL FRAMING 24" O.C. 14' - 10" MEMBER. 32" O.C. *12' - 8" 2. LAG BOLTS MUST FULLY ENGAGE A WOOD STUD OR RIM JOIST AND BE PROVIDED WITH APPROPRIATE WASHERS. LAG BOLTS SHALL BE LOCATED A MINIMUM OF 1-½” 12" O.C. 20' - 0" FROM THE TOP OR BOTTOM OF THE LEDGER. 16" O.C. 20' - 0" 3. NOT DESIGNED TO BE ENCLOSED - ADDITIONAL ENGINEERING ANALYSIS WILL BE 24" O.C. 18' - 11" REQUIRED IF ENCLOSED. 32" O.C. *16' - 2" 4. SEE PAGE 2 OF 2 FOR CONSTRUCTION DETAILS. 24" O.C. 10' - 0" 5. ARTIFICIAL LIGHTING IS REQUIRED IN ROOMS THAT HAVE WINDOW OPENINGS INTO THE COVERED PATIO AREA IF THE TOTAL WINDOW AREA IN THAT ROOM IS LESS 32" O.C. *9' - 3" THAN 10% OF THE FLOOR AREA OF THE ROOM OR 20 SQUARE FEET, WHICHEVER1 IS 48" O.C. *7' - 8" GREATER. 1 24" O.C. 15' - 11" Alternate patio designs may be possible when provided with an 32" O.C. *13' - 9" engineered analysis. Use of this conventional standard design is 48" O.C. *11' - 3" at the user’s risk and carries no implied or inferred guarantee 24" O.C. 20' - 0" against failure or defects. 32" O.C. *18' - 2" 48" O.C. *14' - 10" City of Redlands
CITY LOGO HERE Building and Safety Patio Cover Standard
Phone: (909) 798-7536 35 Cajon St Suite 20
1 24" 24" EXISTING ROOF
HEADER EDGE NAIL PLYWOOD AT 6" LAG BOLTS O.C. AT LEDGER 1 (see table d) ½” DIA BOLTS W/NUTS & 3" WASHERS TYPICAL ALL 45° EXISTING 24" BRACED CONNECTIONS 24" STUDS 4x4 BRACE (2) 2X4 BRACES RAFTER
3" APPROVED JOIST 4x4 A A 2x LEDGER POST 4x4 POST HANGER (MIN.) SECTION A-A 1. USE A CONTINUOUS 2X LEDGER – SAME DEPTH 1- ½” AS RAFTER OR LARGER 2. SEE TABLE “D” FOR BOLTING REQUIREMENTS
TWO ½" DIA. THRU-BOLTS (W/ WASHERS), PER CONNECTION AS SHOWN FOR HEADERS OR RAFTERS- TWO 2X MEMBERS MAY BE SUBSTITUTED FOR ONE 4X MEMBER. SEE TABLES “A” & “B” FOR SPAN LIMITS
KNEE BRACING REQUIRED WHEN RAFTER SPAN EXCEEDS 12 FEET
2X4 RAFTERS OR PRE-FAB. ROOF TRUSSES
2X4 LEDGER W/ 20d NAILS OR ¼" DIA. X 4" 2X6 OR LARGER RAFTERS LONG LAG BOLTS @32" O.C. 2X4 STRUT W/(3) 8d TOENAILS SIMPSON A-35 OR FROM STRUT TO LEDGER EQUAL ANCHOR (2) 16d NAILS 2X FASCIA A-35 OR EQUAL ANCHOR APPROVED 2X FASCIA JOIST HANGER APPROVED JOIST HANGER 2X2 OR 2X4 PATIO RAFTERS PATIO RAFTERS SEE TABLE “A” SEE TABLE “A”
30" MAX 30" MAX OVERHANG OVERHANG
City of Redlands NOTE: VERIFY STRUCTURAL SOUNDNESS OF ROOF RAFTERS FOR DECAY OR TERMITE DAMAGE, Building and Safety AND REPLACE WITH LIKE MATERIALS AS NEEDED, AFTER CONSULTATION WITH THE Patio Cover Standard BUILDING DEPARTMENT.
Phone: (909) 798-7536 35 Cajon St Suite 20
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