BLD2022-0103+Energy_Calculations+1.21.2022_3.15.38_PM+2635015WASHINGTON STATE ENERGY CODE REQUIREMENTS
PRESCRIPTIVE REQUIREMENTS FOR GROUP R OCCUPANCY - MARINE 4
FENESTRATION
SKYLWT"
GLAZED
FENESTRATION
CEILING
WOOD FRAME
MASS WALL
FLOOR
LOW-GRADE` 1
SLA50
U-FACTOle
U-FACTOR
R-VALUES
R-VALUE
R-vALUE'
R-VALUE
WALL R-VALUE
DEPUE 4
TH
030
050
NR
49
21 INT
21 / 21h
300
10/15/21 INT + TB
10, 2 FT
FOR SI: 1 FOOT an 3048 MM, Cl = CONTINUOUS INSULATION, INT = INTERMEDIATE FRAMING.
THE PROJECT IS A SINGLE FAMILY RESIDENCE OR DUPLEX.
THE PROJECT IS WOOD FRAME, OR ALL OF THE INSULATION IS INTERIOR OR EXTERIOR OF THE FRAMING.
ALL BUILDING COMPONENTS MEET THE REQUIREMENTS LISTED IN THE TABLE ABOVE.
THE PROJECT WILL MEET ALL OTHER PROVISIONS OF THE WSEC AND VIAQ.
a R-VALUES ARE MINIMUMS. U-FACTORS AND SHGC ARE MAXIMUMS. WHEN INSULATION IS INSTALLED IN A CAVITY WHICH
IS LESS THAN THE LABEL OR DESIGN THICKNESS OF THE INSULATION, THE COMPRESSED R-VALUE OF THE
INSULATION FROM APPENDIX TABLE AIOIA SHALL NOT BE LESS THAN THE R-VALUE SPECIFIED IN THE TABLE.
b THE FENESTRATION U-FACTOR COLUMN EXCLUDES SKYLIGHTS. THE SHGC COLUMN APPLIES TO ALL GLAZED
FENESTRATION. EXCEPTION: SKYLIGHTS MAY BE EXCLUDED FROM GLAZED FENESTRATION SHGC REQUIREMENTS IN
CLIMATE ZONES I THROUGH 3 WHERE THE SHGC FOR SUCH SKYLIGHTS DOES NOT EXCEED 0.30.
"'10/15/21+TB" MEANS R-10 CONTINUOUS INSULATION ON THE EXTERIOR OF THE WALL, OR R-15 CAVITY INSULATION PLU&
A THERMAL BREAK BETWEEN THE SLAB AND THE BASEMENT WALL AT THE INTERIOR OF THE BASEMENT WALL.
90/15/2145" SHALL BE PERMITTED TO BE MET WITH R-13 CAVITY INSULATION ON THE INTERIOR OF THE BASEMENT
WALL PLUS R-5 CONTINUOUS INSULATION ON THE INTERIOR OR EXTERIOR OF THE WALL. "10/13" MEANS R-10
CONTINUOUS INSULATION ON THE INTERIOR OR EXTERIOR OF THE HOME OR R-13 CAVITY INSULATION AT THE
INTERIOR OF THE BASEMENT WALL. "TB" MEANS THERMAL BREAK BETWEEN FLOOR SLAB AND BASEMENT WALL.
d R-10 CONTINUOUS INSULATION IS REQUIRED UNDER HEATED SLAB ON GRADE FLOORS. SEE R40229.1.
° N/A
'BASEMENT WALL INSULATION IS NOT REQUIRED IN WARM-HUMI LOCATIONS AS DEFINED BY FIGURE R30IJ AND TABLE
R301.1.
9 N/A
h FIRST VALUE IS CAVITY INSULATION, SECOND IS CONTINUOUS INSULATION OR INSULATED SIDING, SO s+v MEANS R-13
CAVITY INSULATION PLUS R-5 CONTINUOUS INSULATION OR INSULATED SIDING. IF STRUCTURAL SHEATHING COVERS
40 PERCENT OR LESS OF THE EXTERIOR, CONTINUOUS INSULATION R-VALUE SHALL BE PERMITTED TO BE
REDUCED BY NO MORE THAN R-3 IN THE LOCATIONS WHERE STRUCTURAL SHEATHING IS USED TO MAINTAIN A
CONSISTENT TOTAL SHEATHING THICKNESS.
'THE SECOND R-VALUE APPLIES WHEN MORE THAN HALF THE INSULATION IS ON THE INTERIOR OF THE MASS WALL.
d FOR SINGLE RAFTER- OR JOIST -VAULTED CEILINGS, THE INSULATION MAY BE REDUCED TO R-3&
k INT. (INTERMEDIATE FRAMING) DENOTES STANDARD FRAMING 16 INCHES SIN CENTER WITH HEADERS INSULATED WITH
MINIMUM OF R-10 INSULATION.
LOG AND SOLID TIMBER WALLS WITH A MINIMUM AVERAGE THICKNESS OF 3B INCHES ARE EXEMPT FROM THIS
INSULATION REQUIREMENT.