Frost King B2 Mortite Caulking Cord 19-ounce 90-Foot Long, Grey Go to amazon.com Related posts 14 best mortite caulking cord for 2022 Best caulking cord wood Top caulking cord black FeatureSeals in cool airPresses into place with fingertipsShuts out hot air, dust, dirt and insectsIt is paintableEasy to install Description90', 19 OZ Roll, Gray, Mortite Caulking Cord Weather-Strip.