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1997 UNIFORM BUILDINc.;C:Uut "' <br /> 1403.3 <br /> Chapter 14 <br /> EXTERIOR WALL COVERINGS <br /> SECTION 1401 —GENERAL 1402.3 Waterproofing Weather-exposed Areas. Balconies, <br /> landings,exterior stairways,occupied roofs and similar s�rfaces <br /> 14011 Applicability. G�terior �vall ro��erings for the building exposed to the weather and sealed underneath shall be water- <br /> shall provide weather protection for the building at its exterior proofed and sloped a minimum of i/q unit vertical in 12 units hori- <br /> boundaries. zontal(2%slope)for drainage. <br /> Exterior���all cavering sh�ill be in accordance with this chapter 1402.4 Dampproofing Foundation Walls. Unless otherwise <br /> and as specified by the applicable provisions elsewhere in this ��ppr�ved by the building official, foundation walls enclosing a <br /> code. ror additional provisions, see Chapter 19 for concrete, hasement below finished grade shali be dampproofed outside by <br /> Chapter 30 for lightweight metals,Chapter 21 for masonry,Chap- �p�roved methods and materials. <br /> ter 23 for steel,Chaptcr'_3 for wood.Cha�ter 25 for gypsum wall- <br /> board and plaster, and Ct�aptcr 26 for plastics. Also, sec the 4025 Window Wells.All window wells shall extend below the � <br /> following: indow sill height. <br /> SECTION SUI3JECT <br /> 601.5.4 Walls fr�mting on streets SECTION 1403—VENEER <br /> 60?.1 Materials in Type I coiistruction 1403.1 Scope. <br /> 603.1 Materials in Type fl construction <br /> 604.3.1 Exterior walls in Type III construction 1403.1.1 General. All veneer and its application shall conform <br /> G0�.3.1 Esteriur walls in Type IV construction to the requirements of this code.Wainscots not exceeding 4 feet <br /> 6U6.1 Materials in Type V construction (1219 mm)in height measored above the adjacent ground eleva- <br /> tion for ex[erior veneer or the finish floor elevation for interior ve- <br /> 1401.2 Standards. Tlie standards listcd below lahcled a"UBC neer may be exempted from the provisions of this chapter if <br /> standard"arc als�i(isted in Chapter 3�, Part II,and are part of this approved by the building official. <br /> code. <br /> l. UBC Standard 14-1. KraCt Waterproof Building Paper 1403.1.2 Limitations. Exterior veneer shall not be attached to <br /> wood-frame construction at a point more than 30 feet O144 mm) <br /> 2. UIIC Standard 1�-2, Vin��l Siding in height above ihe noncombustible foandation, except the <br /> 30-foot(9144 mm)limit may be increased when speciai construc- <br /> SECTION 1402—WEATHER PROTECTION tion is designed to provide for differential movement and when <br /> approved by the building official. <br /> 1402.1 Weather-resistive Barriers. All weather-exposed sur- 1403.2 Definitions. For the purpose of this chapter, certain <br /> faces shall have a�veathcr-resistive barricr to protect the interior terms are defined as follows: <br /> wall covcring. Surh barrier shall hc eyu<ii t��that provided for in gACKING as used in this chapter is the surface or assembly to <br /> UBC Standard ld-I for kraft �vaterprouf building paper or <br /> asphait-saluratcd rag felt. I�uilding paper and felt shall be free w'hich veneer is attached. <br /> from holes and brcaks other than those created by fasteners and VENEER is nonstructural facing of brick,concrete,stone,tile, <br /> construction s�stcm due to auaching of the building paper, and metal, plastic or other similar approved material attached to a <br /> shxll bc applicd over stud5 or sheathing of all exterior walls.Such backing for the purpose of ornamentation, protection or insula- <br /> fe(i or paper shall be applied horizontally, wilh the upper layer tion. <br /> lappcd over the I�nver{ayer not less than 2 inches(51 mm). Where Adhered Veneer is veneer secured and supported thro�gh ad- <br /> vertical joints occur, felt or pa��er shall hc lapped not less than hesion to an approved bonding material applied over an approved <br /> 6 inches(152 mm). backin <br /> g• <br /> A ���eather-resistive harrier mav be omitted in thc following Anchored Veneer is ve�eer secured to and supported by ap- <br /> cr�5�s: proved connectors attached to an approved backing. <br /> 1. When eaterior covcring is of approv�d weatherproof panels. Exterior Veneer is veneer applied to weather-exposed surfaces <br /> 2. In back-plastered construction. as defined in Section 224. <br /> 3. When there is no human occupancy. Interior Veneer is veneer applied to surfaces other than <br /> weather-exposed surfaces as defined in Section 224. <br /> 4. Over water-repellcnt panet sheathing. <br /> 5. Under approved paperbacked metal or�t�ire fabric lath. 1403.3 Materials. Materials used in the application of veneer <br /> shall conform to the applicable requirements for such materials as <br /> b. Behind lath and portland cement plaster applied ro the set forth elsewhere in this code. <br /> underside of roof and cave projections. For masonry units and mortar,see Chapter 21. <br /> 1402.2 Flashing and Countei•flashing. Exterior apenings e�- For precast concrete units,see Chapter 19. <br /> posed to the weather shall be (7ashed in such a manner as to make For portland cement plaster,see Chapter 25. <br /> them weatherproof. <br /> All parapets shall be pro��ided�vith coping of a�proved materi- Anchors,supports and ties shall be noncombustible and corro- <br /> als.All tlashing,cuuntert7ashing and coping,when of inetal,shall sion resistant. <br />� have a minimum thickness of U.019-inch(0.48 mm)(No.26 gal- When the terms "corrosion resistant" or "noneorrosive" are <br /> vanized sheet metal gage)conosion-resistant metal. used in this chapter,they shall mean having a corrosion resistance <br /> 1-141 <br />