2021-02-25 11:01:51 | SFR EXTERIOR REPAIRS AND SIDING |
| REVIEWED BY ROGER MCPHERSON |
| 561-805-6716 |
| [email protected] |
| CODE USED FOR REVIEW - 2020 FBC WITH WPB CHAPTER 1 |
| AMENDMENTS |
| |
| CORRECTIONS NEEDED - FBC WPB AMENDMENTS 107 |
| 1) PLEASE SHOW THE WATER BARRIER TO COMPLY WITH FBC |
| R703.2 WATER-RESISTIVE BARRIER. |
| ONE LAYER OF NO. 15 ASPHALT FELT, FREE FROM HOLES AND |
| BREAKS, COMPLYING WITH ASTM D226 FOR TYPE 1 FELT OR |
| OTHER APPROVED WATER-RESISTIVE BARRIER SHALL BE APPLIED |
| OVER STUDS OR SHEATHING OF ALL EXTERIOR WALLS. NO. 15 |
| ASPHALT FELT SHALL BE APPLIED HORIZONTALLY, WITH THE |
| UPPER LAYER LAPPED OVER THE LOWER LAYER NOT LESS THAN 2 |
| INCHES (51 MM). WHERE JOINTS OCCUR, FELT SHALL BE |
| LAPPED NOT LESS THAN 6 INCHES (152 MM). OTHER APPROVED |
| MATERIALS SHALL BE INSTALLED IN ACCORDANCE WITH THE |
| WATER-RESISTIVE BARRIER MANUFACTURER?S INSTALLATION |
| INSTRUCTIONS. THE NO. 15 ASPHALT FELT OR OTHER APPROVED |
| WATER-RESISTIVE BARRIER MATERIAL SHALL BE CONTINUOUS TO |
| THE TOP OF WALLS AND TERMINATED AT PENETRATIONS AND |
| BUILDING APPENDAGES IN A MANNER TO MEET THE |
| REQUIREMENTS OF THE EXTERIOR WALL ENVELOPE AS DESCRIBED |
| IN SECTION R703.1. |
| 2) SIDING IS SUBJECT TO WIND LOADS. PLEASE SHOW THE |
| SIDING TYPE AND REQUIRED ATTACHMENT TYPE, SIZE AND |
| AMOUNT FBC R703.1.2 WIND RESISTANCE. |
| WALL COVERINGS, BACKING MATERIALS AND THEIR ATTACHMENTS |
| SHALL BE CAPABLE OF RESISTING WIND LOADS IN ACCORDANCE |
| WITH TABLES R301.2(2) AND R301.2(3) FOR WALLS USING AN |
| EFFECTIVE WIND AREA OF 10 SQUARE FEET. WIND-PRESSURE |
| RESISTANCE OF THE SIDING AND BACKING MATERIALS SHALL BE |
| DETERMINED BY ASTM E330 OR OTHER APPLICABLE STANDARD |
| TEST METHODS. WHERE WIND-PRESSURE RESISTANCE IS |
| DETERMINED BY DESIGN ANALYSIS, DATA FROM APPROVED |
| DESIGN STANDARDS AND ANALYSIS CONFORMING TO GENERALLY |
| ACCEPTED ENGINEERING PRACTICE SHALL BE USED TO EVALUATE |
| THE SIDING AND BACKING MATERIAL AND ITS FASTENING. ALL |
| APPLICABLE FAILURE MODES INCLUDING BENDING RUPTURE OF |
| SIDING, FASTENER WITHDRAWAL AND FASTENER HEAD |
| PULL-THROUGH SHALL BE CONSIDERED IN THE TESTING OR |
| DESIGN ANALYSIS. WHERE THE WALL COVERING AND THE |
| BACKING MATERIAL RESIST WIND LOAD AS AN ASSEMBLY, USE |
| OF THE DESIGN CAPACITY OF THE ASSEMBLY SHALL BE |
| PERMITTED. |
| |