🚨 UL 1479 / ASTM E814 1-4 Hr F-Rating, Intumescent Sealant Tubes & Annular Space

Commercial Firestop Annular Sealant Calculator

Size commercial MEP through-penetration firestopping under UL 1479 & ASTM E814: calculate annular space seal volume (Cubic Inches = π x [R_hole² - R_pipe²] x Depth), 10.1 oz / 20 oz sausage intumescent/silicone firestop sealant cartridges, 4-lb mineral wool safing packing depth, and certified firestop contractor margins.

1. Project & Operating Inputs

Total MEP Penetrations Sealed (Penetration Count e.g. 850 Sleeves)

Average Sealant Depth (Inches e.g. 0.5" Depth Intumescent)

Customer Bid Price per Penetration Seal ($ / Pen e.g. $28.50/Pen)

UL Listed Intumescent Sealant, Mineral Wool & Certified Tech ($ / Pen)

2. Financial Breakdown & Yield

UL 1479 THROUGH-PENETRATION FIRESTOP

Turnkey Firestopping Profit

Firestop Contractor Margin

0.0%

Gross Revenue / Bill

Total Project CapEx

Operating / Material Cost