Hilti Firestop Equivalents & Alternatives
Switching from Hilti firestop? Every Hilti firestop product has a UL-tested Metacaulk® (RectorSeal) equivalent — same performance class, distributor pricing, same-day shipping from New Jersey. 18 product categories cross-referenced below, with free submittal support when your job specs Hilti.
| Hilti Product | Metacaulk® Equivalent | Why contractors switch |
|---|---|---|
FS-One Max Intumescent Caulk | Metacaulk 1000General-purpose intumescent, UL up to 4hr, STC 62 | MC 1000 offers the best balance of price and performance for general intumescent needs. |
CP-606 FS One & FS One Max Multi-Purpose Caulk | Metacaulk 150+All-purpose, STC 65, Buy America compliant | MC 150+ covers the most UL systems of any single sealant. Best value for general contractors. |
CP 606 Elastomeric | MC 1200Ultra-flexible, CG/SL/Spray, red/white/gray | MC 1200 uniquely offers caulk grade, self-leveling, AND spray formulations. |
CFS-S GG Silicone Caulk | Metacaulk 835+Silicone-based, Class 25 movement, ASTM C920 | 835+ offers true silicone performance with Class 25 movement capability. |
CFS-S SL Silicone Self-Leveling | Metacaulk 835+ SLSelf-leveling silicone for floor penetrations | Self-leveling silicone for horizontal joints. Apply and walk away. |
CP 620 Foam Firestop | RS136 SmokeBlockEconomical foam firestop | RS136 is the budget-friendly option for basic through-penetrations. |
CF-AS-CJP Foam / Draft / FireBlock | Draft Block OrangeOrange foam for draft stopping | Draft Block Orange targets residential/light commercial draft stopping. |
CFS-SP SIL Silicone Spray | Metacaulk 835+ SprayFast-cure spray silicone | 835+ Spray offers fast-cure spray application for large area coverage. |
CFS-SP WB Spray Mastic | Metacaulk 1200 SprayElastomeric spray mastic | MC 1200 Spray covers large areas fast. Available in red and white. |
CP618 & CFS-D Putty Sticks | MC FRS Putty StickMoldable intumescent putty | FRS Putty Sticks are moldable — perfect for irregular openings. |
CFS-P Putty Pads | MC FRP Putty PadsSelf-adhesive pads for electrical boxes | Fastest way to firestop electrical boxes. Available in 6x7, 7x7, 9x9. |
CP 643N Pipe Collars | Intumescent CollarsSteel collars, 1.5-6 inches | Available in 5 sizes for PVC, CPVC, ABS, PP, PE pipes. |
CP 653 Cast-In Devices | CIDFactory-assembled, cast into concrete | CIDs save significant field labor — cast them in and the firestop is done. |
CFS-BL Firestop Pillows | Firestop PillowsRe-enterable, 2 and 3 inch | Re-enterable — pull out, add cables, put back. No re-caulking. |
CFS-S Joint Strip | Joint StripIntumescent strip, 1-4 inch widths, 82ft rolls | 82-foot rolls for head-of-wall and perimeter joints. |
CP 648-E Wrap Strip | Wrap StripIntumescent wrap for plastic pipes | Wrap around plastic pipes before sealing. Expands in fire to seal. |
CP 637 Composite Sheet | Composite Sheet36x36 inch firestop board, up to 3hr | Cut with standard tools. Use with sealants for large openings. |
CP 636 Fire-Rated Mortar | FRM Mortar45lb bag, just add water, up to 3hr | Go-to for large floor openings. 1 bag = 1 cubic foot. |
Note: Cross-reference is general guidance — always verify the specific UL system for your assembly. Job specs Hilti? We provide UL system documentation and submittal support free — call (732) 757-4552 or email sales@firestop-usa.com.
Hilti equivalents — frequently asked
What is the Metacaulk equivalent to Hilti FS-One Max?
Metacaulk 1000 — General-purpose intumescent, UL up to 4hr, STC 62. MC 1000 offers the best balance of price and performance for general intumescent needs.
What is the Metacaulk equivalent to Hilti CP-606 / FS One & FS One Max?
Metacaulk 150+ — All-purpose, STC 65, Buy America compliant. MC 150+ covers the most UL systems of any single sealant. Best value for general contractors.
What is the Metacaulk equivalent to Hilti CP 606?
MC 1200 — Ultra-flexible, CG/SL/Spray, red/white/gray. MC 1200 uniquely offers caulk grade, self-leveling, AND spray formulations.
What is the Metacaulk equivalent to Hilti CFS-S GG?
Metacaulk 835+ — Silicone-based, Class 25 movement, ASTM C920. 835+ offers true silicone performance with Class 25 movement capability.
What is the Metacaulk equivalent to Hilti CFS-S SL?
Metacaulk 835+ SL — Self-leveling silicone for floor penetrations. Self-leveling silicone for horizontal joints. Apply and walk away.
What is the Metacaulk equivalent to Hilti CP 620?
RS136 SmokeBlock — Economical foam firestop. RS136 is the budget-friendly option for basic through-penetrations.
What is the Metacaulk equivalent to Hilti CF-AS-CJP?
Draft Block Orange — Orange foam for draft stopping. Draft Block Orange targets residential/light commercial draft stopping.
What is the Metacaulk equivalent to Hilti CFS-SP SIL?
Metacaulk 835+ Spray — Fast-cure spray silicone. 835+ Spray offers fast-cure spray application for large area coverage.
What is the Metacaulk equivalent to Hilti CFS-SP WB?
Metacaulk 1200 Spray — Elastomeric spray mastic. MC 1200 Spray covers large areas fast. Available in red and white.
What is the Metacaulk equivalent to Hilti CP618 & CFS-D?
MC FRS Putty Stick — Moldable intumescent putty. FRS Putty Sticks are moldable — perfect for irregular openings.
What is the Metacaulk equivalent to Hilti CFS-P?
MC FRP Putty Pads — Self-adhesive pads for electrical boxes. Fastest way to firestop electrical boxes. Available in 6x7, 7x7, 9x9.
What is the Metacaulk equivalent to Hilti CP 643N?
Intumescent Collars — Steel collars, 1.5-6 inches. Available in 5 sizes for PVC, CPVC, ABS, PP, PE pipes.
Is Metacaulk a good alternative to Hilti firestop?
Yes. Metacaulk (manufactured by RectorSeal) offers UL Classified equivalents for Hilti firestop products across sealants, sprays, collars, wraps, putty, devices and mortar — typically at meaningfully lower cost. Always verify the specific UL system for your assembly; our team can help match systems.
Can I substitute Metacaulk on a job that specs Hilti?
In most cases, yes — when the substitution is approved through a submittal showing an equivalent UL Classified system. Firestop-USA provides product data, UL system documentation and submittal support at no charge. Call (732) 757-4552 and we'll match the system.
Do you offer distributor pricing and fast shipping?
Yes — Firestop-USA is an authorized Metacaulk master distributor: distributor pricing, volume discounts, same-day shipping on in-stock items ordered before 11 AM, and free freight over $2,500, shipping nationwide from New Jersey.
Ready to switch from Hilti?
Distributor pricing, same-day shipping before 11 AM, free freight over $2,500, and free submittal support — from an authorized Metacaulk master distributor.
Also switching from 3M firestop or STI firestop? See the complete cross-reference chart.