Évaluations - 3, GPA: 3.7
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Table F H Maximum V Minimum feet (meter) feet (meter) 3 (0.914) Elbow Only Table G H Maximum V Minimum feet (meter) feet (meter) 5 (1.524) 1 (0.305) 10 (3.048) 2 (0.610) 15 (4.572) 3 (0.914) 20 (6.096) 4 (1.219) V + H = 40 feet (12.2 m) Max. H = 20 ft. (6.096 m) Max. Square termination (SV4.5HT-2) shown. Square termination (SV4.5HT-2) shown. See Table 12 as an aid in venting component selection for a particular range of exterior wall thicknesses. See Table 12 as an aid in venting component selection for a particular range of exterior wall thicknesses. See Table 12 as an aid in venting component selection for a particular range of exterior wall thicknesses. Square termination (SV4.5HT-2) shown. 22 NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE. H1 V H ..Wall Firestop/Spacer (SV4.5HF) ..Ceiling Firestop/Spacer (SV4.5VF) ..When using Secure Flex, use Firestop/Spacer SF4.5HF. ..When using Secure Flex, use Firestop/Spacer SF4.5VF. V H H1 ..Wall Firestop/Spacer (SV4.5HF) ..Wall Firestop/Spacer (SV4.5HF) ..When using Secure Flex, use Firestop/Spacer SF4.5HF. ..Ceiling Firestop/Spacer (SV4.5VF) ..Note - When using Secure Flex, use Firestop/Spacer SF4.5VF. Table J H + H1 Maximum V Minimum feet (meter) feet (meter) 3 (0.914) Elbow Only 5 (1.524) 1 (0.305) 10 (3.048) 2 (0.610) 15 (4.572) 3 (0.914) 20 (6.096) 4 (1.219) V + H + H1 = 40 feet (12.2 m) Max. H + H1 = 20 ft. (6.096 m) Max. Figure 37 - Rear Vent - TWO 90 DEGREE ELBOWS Figure 38 - Top Vent - TWO 90 DEGREE ELBOWS See Table 12 on Page 21 as an aid in venting component selection for a particular range of exterior wall thicknesses. Square termination (SV4.5HT-2) shown. Square termination (SV4.5HT-2) shown. See Table 12 on Page 21 as an aid in venting component selection for a particular range of exterior wall thicknesses. HORIZONTAL VENT FIGURES / TABLES (CONTINUED) Table H H+H1 Maximum H Maximum V Minimum feet (meter) feet (meter) feet (meter) 5 (1.524) 2 (0.610) 1 (0.305) 10 (3.048) 4 (1.219) 2 (0.610) 15 (4.572) 6 (1.829) 3 (0.914) 20 (6.096) 8 (2.438) 4 (1.219) V + H + H1 = 40 feet (12.2 m) Max H = 8 feet (2.438 meters) Max. H + H1 = 20 feet (6.096 meters) Max. Example: If 20 feet of (H + H1) horizontal vent run is needed, then 4 feet minimum of (V) vertical vent will be required. This table shows a 1(V) to 5(H) ratio. For every 1 foot of (V) vertical, you are allowed 5 feet of (H+ H1) horizontal run, up to a maximum horizontal run of 20 feet. Example: If 20 feet of (H + H1) horizontal vent run is needed, then 4 feet minimum of (V) vertical vent will be required. This table shows a 1(V) to 5(H) ratio. For every 1 foot of (V) vertical, you are allowed 5 feet of (H+ H1) horizontal run, up to a maximum horizontal run of 20 feet. An elbow is acceptable as 1 foot of vertical rise except where an elbow is the only vertical component in the system. See Figure 35. NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE. 23 V H2 H1 H ..Wall Firestop/Spacer (SV4.5HF) ..Ceiling Firestop/Spacer (SV4.5VF) ..When using Secure Flex, use Firestop/Spacer SF4.5VF. ..When using Secure Flex, use Firestop/Spacer SF4.5HF. V H H1 V1 ..Wall Firestop/Spacer (SV4.5HF) ..Ceiling Firestop/Spacer (SV4.5VF) ..When using Secure Flex, use Firestop/Spacer SF4.5VF. ..When using Secure Flex, use Firestop/Spacer SF4.5HF. ..Wall Firestop/Spacer (SV4.5HF) Table K H + H1 + H2 Maximum H Maximum V Minimum feet (meter) feet (meter) feet (meter) 5 (1.524) 2 (0.610) 1 (0.305) 10 (3.048) 4 (1.219) 2 (0.610) 15 (4.572) 6 (1.829) 3 (0.914) 20 (6.096) 8 (2.438) 4 (1.219) V + H + H1 + H2 = 40 feet (12.2 m) Max H = 8 feet (2.438 meters) Max. H + H1+ H2 = 20 feet (6.096 meters) Max. Example: If 20 feet total (H+H1+H2) horizontal vent run is needed, then 4 feet minimum of (V) vertical vent will be required. This table shows a 1(V) to 5(H) ratio. For every 1 foot of (V) vertical, you are allowed 5 feet of horizontal run up to a maximum total (H+H1+H2) horizontal run of 20 feet. Figure 40 - Top Vent - THREE 90 DEGREE ELBOWS Figure 39 - Rear Vent - THREE 90 DEGREE ELBOWS See Table 12 on Page 21 as an aid in venting component selection for a particular range of exterior wall thicknesses. See Table 12 on Page 21 as an aid in venting component selection for a particular range of exterior wall thicknesses. HORIZONTAL VENT FIGURES / TABLES (CONTINUED) Square termination (SV4.5HT-2) shown. Square termination (SV4.5HT-2) shown. Table L H + H1 Maximum V Minimum feet (meter) feet (meter) 5 (1.524) Elbow Only 5 (1.524) 1 (0.305) 10 (3.048) 2 (0.610) 15 (4.572) 3 (0.914) 20 (6.096) 4 (1.219) H + H1 = 20 feet (6.096 m) Max. V + V1+ H + H1 = 40 ft. (12.192 m) Max. Example: If 20 feet total (H+H1) horizontal vent run is needed, then 4 feet minimum of (V) vertical vent will be required. This table shows a 1(V) to 5(H) ratio. For every 1 foot of (V) vertical, you are allowed 5 feet of (H+ H1) horizontal run, up to a maximum horizontal run of 20 feet. An elbow is acceptable as 1 foot of vertical rise except where an elbow is the only vertical co...