C.R. LAURENCE 98418X12BL CRL Black 1/8" x 1/2" Double Sided Foam Glazing Tape. CRL Foam Glazing Tape is a closed-cell polyethylene foam sealant in tape form. The aggressive acrylic adhesive is formulated to position the foam on curved or irregular surfaces with the slightest pressure. Adheres to wood, vinyl, aluminum, and glass. It can be used as an exterior glazing sealant - particularly where glass repositioning is important before the final setting.. Part Numbers Variations: 98418X12BL