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233:(s) plus enough room to permit the practical installation and mounting of the penetrants as well as adequate room for firestops. A general practice is to size the sleeve two NPS (pipe sizes) up from the
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in the firestop that follows the mounting of the penetrants. Maximum and minimum tolerances for wall thicknesses must be taken into account prior to casting. Heatsinks can affect
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Plastic sleeves are usually removed after the concrete forms are stripped, as they contribute fuel to an accidental
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makes a 6" penetrant (1" pipe covering on each side of the pipe), plus two pipe sizes = an 8" sleeve, creating a 1"
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Deck penetrations on offshore platform provided to avoid water/chemical dripping to lower deck in case of spillage.
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For cables we provide wall/deck penetration sleeve to avoid any damage to cable from material shifting on deck.
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In case of insulated piping, the size of the insulation must be taken into account for the intended firestop
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used for topcaulking in firestops may let go of the sleeve if it has conducted too much
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Together with packing it helps to protect from fire spread from one room to other.
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Sleeves must be sized such as to adequately allow the passage of the intended
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UVA Virginia
Hospital Section 15050 Specification, including Sleeves
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is used both by the electrical and mechanical trades to create a
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CAL State
University Section 15050 Spec, including Sleeves
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For wall penetrations it can be a type of strengthening.
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through to the unexposed side (as in the case of the
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of the penetrant. For example, a 4" pipe, with 1" of
327:Penetrant (mechanical, electrical, or structural)
43:but its sources remain unclear because it lacks
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123:, fastened to the timber forms before the
74:Learn how and when to remove this message
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215:proprietary devices that are listed
159:in a solid wall, ceilling or floor.
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1:
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189:Sleeves can be made of:
93:sleeve used to create a
29:This article includes a
384:Passive fire protection
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58:more precise citations.
337:Fire-resistance rating
322:Penetration (firestop)
317:Packing (firestopping)
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262:Metallic sleeves are
250:certification listing
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332:Annulus (firestop)
239:thermal insulation
174:Acts as toe guard.
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31:list of references
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64:November 2020
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287:this picture
224:Requirements
193:sections of
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50:Please help
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219:components.
210:sheet metal
157:penetration
119:Notice the
98:penetration
56:introducing
373:Categories
347:Heat sink
342:Fire test
285:article,
283:fire test
268:T-ratings
264:heatsinks
231:penetrant
185:Materials
143:assembly.
135:improper
312:Firestop
301:See also
275:sealants
235:diameter
217:firestop
137:sleeving
127:is cast.
125:concrete
109:firestop
102:rockwool
272:Organic
257:Hazards
243:annulus
204:plastic
163:Purpose
141:drywall
121:sleeves
105:packing
52:improve
379:Piping
307:Piping
153:sleeve
195:steel
139:in a
91:Steel
37:, or
294:fire
279:heat
198:pipe
151:, a
95:pipe
147:In
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