Product Technical Guides : US-EN Firestop Systems Guide For Specifiers | Page 687

Estimating Tables
Estimating tables for through-penetrations
TABLE 1
TABLE 2
Nominal pipe
size
Pipe O.D.
1/2"
General estimation table for CP 648-E
(Length of Wrap Strip required for different
pipe diameters)
Area (sq. in.)
0.55
1.3 1.33
1-1/2" 1.9 2.83
2" 2.4 4.52
3" 3.5 9.62
4" 4.5 15.9
6" 6.6 34.19
8" 8.6 58.06
10" 10.8 91.56
12" 12.75 127.61
Pipe O.D. based on schedule 40 steel pipe and plastic
pipe
Nominal
Pipe Size
Length of CP 648-E Wrap Strips
(3/16" thick) Required*
(Number of layers of Wrap Strips)
1-1/2"
1 2 3 4
8" 16" 26" 37"
2" 9" 20" 31" 43"
3" 12" 27" 41" 58"
4" - 30" 50" 70"
6" - - 71" 97"
8" - - - 122"
10" - - - 142"
12" - - - 167"
0.84
1"
Calculation chart for pipe areas
Estimations based upon Schedule 40 PVC Plastic Pipe.
* E stimated quantities are approximate. No allowance
has been made for waste.
TABLE 3
Estimation chart: volume of firestop at 1/2" depth (in 3 ), per penetration. Estimated volume of material required to fill the annular space
between the O.D. of a penetrating pipe and the I.D. of the opening through which it passes.
0.84
1 0.12
1-1/2 2
1.05
1.3
1.9
2.4
3.5
4.5
5.6 6.6 8.6 10.8 12.8
5 6 8 10 12
Nominal pipe size (I.D.)
1/2
3/4 1
1-1/2
2
3
4
0.60 0.46 0.22 1.30 1.14 0.90 0.16 2-1/2 2.18 2.02 1.78 1.04 3 3.26 3.10 2.86 2.12 1.28 3-1/2 4.54 4.38 4.14 3.40 2.54 4 6.00 5.84 5.62 4.86 4.02 1.48 5 9.54 9.38 9.14 8.40 7.56 5.00 6 13.86 13.70 13.46 12.72 11.86 9.32 6.18 1.82 7 18.96 18.80 18.56 17.82 16.98 14.42 11.28 6.92 2.14
8 24.84 24.68 24.46 23.70 22.86 20.32 17.18 12.82 8.02
Actual pipe diameter (in.) (O.D.*)
Opening
diameter
0.20
1.86
9 31.52 31.36 31.12 30.38 29.54 26.98 23.84 19.48 14.70 2.76 10 38.98 38.82 38.58 37.84 36.98 34.44 31.30 26.94 22.16 10.22 12 56.24 56.08 55.86 55.10 54.26 51.72 48.58 44.22 39.42 27.50 14 76.66 76.50 76.26 75.52 74.66 72.12 68.98 64.62 59.84 47.90 31.14 13.12
16 100.20 100.10 99.82 99.06 98.22 95.68 92.54 88.18 83.38 71.46 54.70 36.68
10.74
Coverages are based on the outside diameter of schedule 40 steel pipe. * For insulated pipes, use the outside diameter of the insulation.
• For 1/4" depth, divide above number by 2.
• For 1" depth, multiply above number by 2.
• For 5/8" depth, multiply above number by 1.25.
• For 1-1/4" depth, multiply above number by 2.5.
• For 3/4" depth, multiply above number by 1.50.
Note: Walls require firestop on both sides; multiply above number again by 2.
Estimate only. Assumes no waste.
TABLE 4
Estimation chart: volume of firestop used in retaining collar around vented plastic pipe*
Pipe O.D. (in.)
FS-ONE MAX
volume required
(cu. in.)
Collar I.D. (in.)
Approximate # of 10.1
Oz.Tubes required
to fill one collar
Collar length
required** (in.)
4 4.5 6.5 30.22 1.66 21.42
3 3.5 5.5 24.73 1.35 18.28
2 2.4 4.4 18.68 1.03 14.82
1.5 1.9 3.9 15.94 0.88 13.25
1 1.4 3.4 13.19 0.72 11.68
* Applies to Hilti listed systems using retaining colllars — refer to system(s) for details. Volumes are approximate, and assumes no waste.
** Collar length assumes the ends overlap 1". Volume of FS-ONE calculated with retaining collar item no. 283225s
Pipe I.D. (in.)
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