FEMA P-499: Home Builder's Guide to Coastal Construction

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6 OPENINGS Although not discussed in ASTM E 2112, for installations that require an exposed sealant joint, installation of a removable stop (see Figure 2) is recommended to protect the sealant from direct exposure to the weather and reduce the wind-driven rain demand on the sealant. Exterior Insulation Finishing Systems (EIFS): Although not discussed in ASTM E 2112, when a window or door assembly is installed in an EIFS wall assembly, sealant between the window or door frame and the EIFS should be applied to the EIFS base coat. After sealant application, the top coat is then applied. (The top coat is somewhat porous; if sealant is applied to it, water can migrate between the top and base coats and escape past the sealant.) Frame anchoring: Window and door frames should be anchored to the wall with the type and number of fasteners specified by the designer. Shutters: If shutters are installed, they should be anchored to the wall, rather than the window or door frame (see Figure 3). Weatherstripping: E 2112 does not address door weatherstripping. However, weatherstripping is necessary to avoid wind-driven rain penetration. A variety of weatherstripping products are available as shown in Figures 4 through 9. Figure 4. Drip at door head and drip with hook at head 2 of 3 12/10 Figure 2. Protection of sealant with a stop. Figure 3. Hurricane Georges in Puerto Rico. The window lying on the ground was protected by a shutter. However, the shutter was attached to the window frame. The window frame fasteners were over-stressed and the entire assembly failed. Attachment of the shutter directly to the wall framing is a more reliable method of attachment. Figure 5. Door shoe with drip and vinyl seal. 6.1: WINDOW AND DOOR INSTALLATION HOME BUILDER’S GUIDE TO COASTAL CONSTRUCTION
Figure 6. Neoprene door bottom sweep. Figure 9. Threshold Figure 7. Automatic door bottom. Note: Set the threshold in butyl sealant. If a drain pan exists underneath the threshold, weep holes must not be blocked with sealant or debris. Figure 8. Adjustable jamb/head weatherstripping. Additional Resources American Society for Testing and Materials. ASTM E 2112, Standard Practice for Installation of Exterior Windows, Doors and Skylights. (www.astm.org) 6.1: WINDOW AND DOOR INSTALLATION Developed in association with the National Association of Home Builders Research Center HOME BUILDER’S GUIDE TO COASTAL CONSTRUCTION 3 of 3 12/10 OPENINGS 6
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Home Builder’s Guide to Coastal C
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G GUIDE 2 of 6 12/10 Fact Sheet No.
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G GUIDE 4 of 6 12/10 Fact Sheet No.
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G GUIDE 6 of 6 12/10 Category Categ
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1 GENERAL What Should Owners and Ho
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Summary of Coastal Construction Req
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Foundation Orientation of Lowest Ho
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Certification Elevation NFIP 60.3(b
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Coastal Construction Requirements a
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Coastal Construction Requirements a
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Using a Digital Flood Insurance Rat
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Sample DFIRM This map is a portion
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Lowest Floor Elevation HOME BUILDER
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V Zone Design and Construction Cert
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Designing for Flood Levels Above th
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FIRMs depict the limits of flooding
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Figure 6. Mold and biological/chemi
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Other Considerations As previously
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Coastal Building Materials HOME BUI
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Location of Material Use Name of Ma
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n Metal-plate-connected trusses sho
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Non-Traditional Building Materials
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Things to consider if building with
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Figure 5. An example of a wall cavi
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Moisture Barrier Systems HOME BUILD
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How Do Siting and Design Decisions
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Selecting a Lot and Siting the Buil
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Foundations in Coastal Areas HOME B
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prohibited in V Zones but are recom
Page 62 and 63: 3 FOUNDATIONS Table 1. Example foun
Page 64 and 65: 3 FOUNDATIONS Additional Resources
Page 66 and 67: 3 FOUNDATIONS 2 of 6 12/10 Figure 2
Page 68 and 69: 3 FOUNDATIONS 4 of 6 12/10 Figure 4
Page 70 and 71: 3 FOUNDATIONS Additional Resources
Page 72 and 73: 3 FOUNDATIONS Piers vs. Piles Pier
Page 75 and 76: HOME BUILDER’S GUIDE TO COASTAL C
Page 77: If a stemwall and floor slab system
Page 80 and 81: 4 LOAD PATHS If a connection fails,
Page 82 and 83: 4 LOAD PATHS Gable end wall - cut c
Page 85 and 86: Use of Connectors and Brackets HOME
Page 87 and 88: Important These are examples of typ
Page 89 and 90: Housewrap HOME BUILDER’S GUIDE TO
Page 91: n Improper integration with flashin
Page 94 and 95: 5 WALL SYSTEMS 2 of 3 12/10 Figure
Page 97 and 98: Siding Installation in High-Wind Re
Page 99 and 100: n Use aluminum, galvanized steel, o
Page 101 and 102: Figure 8b. Wood siding installation
Page 103 and 104: Energy Conservation and Air Barrier
Page 105 and 106: Attachment of Brick Veneer in High-
Page 107 and 108: Construction Guidance The brick ven
Page 109: Table 1. Brick Veneer Tie Spacing N
Page 115 and 116: Protection of Openings- Shutters an
Page 117 and 118: What Types of Shutters Are Availabl
Page 119 and 120: Are There Special Requirements for
Page 121 and 122: Roof Sheathing Installation HOME BU
Page 123: Common Sheathing Attachment Mistake
Page 126 and 127: 7 ROOFING 5. Apply a single layer o
Page 129 and 130: Asphalt Shingle Roofing for High Wi
Page 131: After the shingles have been expose
Page 134 and 135: 7 ROOFING Design and Construction G
Page 137 and 138: Minimizing Water Intrusion Through
Page 139 and 140: Checking Soffit Material Installati
Page 141 and 142: Figure 8. This metal ridge vent was
Page 143 and 144: Gable Rake Vents Key Issues n Gable
Page 145 and 146: Metal Roof Systems in High-Wind Reg
Page 147 and 148: Construction Guidance n Consult loc
Page 149: Additional Resources For general in
Page 152 and 153: 8 ATTACHMENTS Space Below the BFE
Page 154 and 155: 8 ATTACHMENTS n Siding used on the
Page 157 and 158: Decks, Pools, and Accessory Structu
Page 159 and 160: uildings. Pools can be designed to
Page 161 and 162: Purpose: To identify the special co
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Fuel n Fuel tanks should be install
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9 REPAIRS n Pre-FIRM or post-FIRM b
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9 REPAIRS n If a lateral addition c
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9 REPAIRS Enclosures of Areas Below
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Repairs, Remodeling, Additions, and
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Vertical additions may also impose
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n Soffits should be inspected follo
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References and Resources HOME BUILD
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FEMA. NFIP Technical Bulletin 5-08,
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FEMA P-499: Home Builder's Guide to Coastal Construction

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