polyethylene backer strip

  Foam Strip - Sealant Polyethylene Backer Strip Non-absorbent compressible white closed cell polyethene foam backup material. Insert into a joint to control sealant depth & create a backstop. Strip of 100m of 12mm x 12mm square polyethene foam joint filler and backing for sealants and acoustic applications. Compatible with all know types of sealants to control the depth of the sealant in proper relation to joint width. Provides backing against which the sealant is applied, forcing the sealant to the sides of the joint for adhesion.     Also, we provide th