Shipping Verification

This item is not available for shipping to and will not be added to your cart.
This item is available for shipping to and was added to your cart.

This item can only be delivered to select locations

Please enter your delivery zip code below to determine shipping eligibility:
Invalid zip code. Please enter a 5-digit US zip code. .

Product(s) Added

Add Product(s) to Favorites List

The product(s) has been added to {{ listName }}

Enter a new name for this list:

This is a required field.
My Location


Please enter the zip code for your shipping address.

There are item(s) in your cart.
Most Recently Added:
No items

3M 4" Fire Barrier Tuck-in Wrap Strip

Mfg#: {{ selectedVariant.partNumber }} | SKU#: {{ selectedVariant.code }}
Was: {{ selectedVariant.defaultPrice.formatted }}
{{ initialPrice }} each
Call for price
{{ selectedVariant.mapPrice.formatted }} each
{{ selectedVariant.finalPrice.formatted }} each
Call for price
{{ }}: {{ row.currentActiveSwatch.label }}
  • {{ swatch.label }}
Please select product variant

{{ }}

{{ promo.description }}
Free shipping on this item!

Check estimated delivery enter zip code

Invalid zip code. Please enter a 5-digit US zip code.
Change estimated delivery zip
Get it by
Shipping from
Delivery zip
This item is not available for shipping to
Please select a product to get delivery info

Product Details

The 3M™ 4" WS 400 Fire Barrier Tuck-in Wrap Strips are intumescent wrap strips that are primarily used in top-side firestop installations. We engineered these fire wrap strips to help eliminate the need for retaining collars, concrete screws, ladders etc., saving time and labor. They are flexible around pipe, to fill tough areas and gaps, and come with an adhesive-backed label for quick installation.

  • Expands 100x in volume
  • Adhesive-backed label offers quick installation
  • Engineered for top-side firestop through penetration installations on concrete floors
  • Expands 100x in volume


{{ attribute.displayName }} {{ attribute.value }}
{{ attribute.displayName }} {{ attribute.value }}

Product Features