M-D BUILDING PRODUCTS Caulk Backer Rod: Foam, 350 ft Overall Lg
The M-D BUILDING PRODUCTS Caulk Backer Rod is a foam backer rod in gray, supplied in a 350 ft overall length. This product is a foam material backer rod from M-D BUILDING PRODUCTS, identified by MPN 809ZU4.
SKU 3G-OTH-516919
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Product Description
The M-D BUILDING PRODUCTS Caulk Backer Rod is a foam backer rod in gray, supplied in a 350 ft overall length. This product is a foam material backer rod from M-D BUILDING PRODUCTS, identified by MPN 809ZU4.
Frequently Asked Questions
What is M-D BUILDING PRODUCTS Caulk Backer Rod used for?
This foam backer rod is placed into joints before applying caulk or sealant to control depth, save material, and improve adhesion. It is commonly used in concrete expansion joints, window and door frames, and other construction gaps where a uniform seal is required.
What are the specifications of the M-D BUILDING PRODUCTS Caulk Backer Rod?
The M-D BUILDING PRODUCTS Caulk Backer Rod (MPN 809ZU4) is a gray foam backer rod with an overall length of 350 ft. It is made of foam material and is designed for use as a joint filler before sealant application.
Where to buy M-D BUILDING PRODUCTS Caulk Backer Rod worldwide?
3G Electric supplies the M-D BUILDING PRODUCTS Caulk Backer Rod to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this foam backer rod.
How to install M-D BUILDING PRODUCTS Caulk Backer Rod?
Install the foam backer rod by pressing it into the clean, dry joint to the desired depth, typically leaving space for the sealant. Ensure the rod is slightly compressed for a snug fit. Do not stretch the rod, as this can cause gaps. Follow standard joint preparation and sealant manufacturer instructions.
M-D BUILDING PRODUCTS Products
3G Electric supplies M-D BUILDING PRODUCTS caulk backer rod. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.





