3M Firestop Block B258, 12 PK, Maroon, 5.12 in W, 2 hr Fire Rating
The 3M Firestop Block (MPN B258) is a maroon firestop plug and block, 8 inches long and 5.12 inches wide, with a 2-hour fire rating, sold in a 12-pack. This 3M product provides a passive fire protection solution for…
SKU 3G-OTH-552164
Also listed as: B 258 · B-258
Local availability & support — the Philippines
- Delivery
- 5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
- Payment
- Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
- Ships to
- Manila, Quezon City, Cebu, Davao, Batangas
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Product Description
The 3M Firestop Block (MPN B258) is a maroon firestop plug and block, 8 inches long and 5.12 inches wide, with a 2-hour fire rating, sold in a 12-pack. This 3M product provides a passive fire protection solution for sealing penetrations in fire-rated assemblies.
Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.
Frequently Asked Questions
What is the 3M Firestop Block used for?
The 3M Firestop Block (B258) is a passive fire protection device used to seal cable trays, conduit, and pipe penetrations in fire-rated walls and floors. It maintains the fire-resistance rating of the assembly, preventing the spread of flames and smoke during a fire.
What are the specifications of the 3M Firestop Block B258?
The 3M Firestop Block B258 is maroon, 8 inches long and 5.12 inches wide, with a 2-hour fire rating. It comes in a 12-pack. This 3M product is designed for use in fire-rated assemblies to seal penetrations and maintain compartmentation.
Where to buy 3M Firestop Blocks worldwide?
3G Electric supplies the 3M Firestop Block B258 to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for a quote and lead time on this 12-pack of firestop blocks.
How to install 3M Firestop Blocks?
Install 3M Firestop Blocks by placing them tightly around cables or pipes within the penetration opening. Ensure the block fully fills the gap and is flush with the wall surface. Follow the manufacturer's instructions for stacking and sealing multiple blocks to maintain the 2-hour fire rating.
Used in
Common applications for 3M3M Products
3G Electric supplies 3M firestop plugs & blocks. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
