COPPER-TITE sealant tape is designed to expand to approximately four times its compressed thickness. Just prior to inserting the COPPER-TITE drain the installer removes the exterior restraining tape and immediately sets the retro drain in place. The released tape gradually expands to fill the space between the COPPER-TITE drain and the existing drain sleeve making the connection watertight.
COPPER-TITE sealant tape expands more slowly in cold temperatures. When heat is applied to the inside of the outlet the sealant tape expands more rapidly.
Should the tape expand too much before inserting the COPPER-TITE drain, simply recompress the tape by hand and then insert the drain.
||FITS DRAIN PIPE SIZE
||OUTLET O.D. & LENGTH
3 EASY STEPS TO INSTALL:
STEP 1 Inspect the old drain for possible cracks and for a smooth clean surface. Scrape away old asphalt and dirt. Use a heat gun to soften old asphalt and to achieve a relatively dry surface, if necessary.
STEP 2 Test the size of the new COPPER-TITE drain by inserting it into the now clean original drain before removing the compression tape. With the correct size of COPPER-TITE now confirmed, remove the drain, release the compression tape and promptly re-insert the COPPER-TITE drain. The tape gradually expands to fill the space surrounding the outlet of the new COPPER-TITE there-by creating the back-up seal feature.
STEP 3 Flash in the drain flange according to methods determined by the membrane manufacturer and/or the roofer using the clamping ring, if applicable. Attach the strainer dome.