I Tested 3/8 Backer Rod: My Honest Guide to Choosing the Right Foam Fill for Gaps and Seams
When I first came across 3/8 Backer Rod, I realized how something so simple could play such an important role in sealing, insulating, and finishing construction projects. At a glance, it may seem like just a flexible foam cord, but this small material is a key part of creating cleaner joints, better sealant performance, and…
