Technical Bulletin: DETAIL TAPE END LAP TAPING METHOD FOR PRECON AND HYDRASTOP SA

HORIZONTAL END-LAP DETAILING

On a properly prepared sub-grade, place a strip of 12” (304.8 mm) DETAIL TAPE H with the adhesive side of the tape facing upwards. Remove the release paper on the one side of the tape, exposing 6” (152.4 mm) of the rubberized asphalt and apply the PLASMATIC CORE_® side of the PRECON into this and roll press into place. Following this, remove the remaining release paper on the tape and apply the subsequent roll of PRECON into this area, making sure that both rolls are butted together. Roll press this into place. Following that, apply a 12” (304.8 mm) band of the POINTING MASTIC onto this overlap at a thickness of approximately 60 mils, and embed the DETAIL FABRIC into this.

*DETAIL TAPE H is a polymeric waterproofing membrane on a shrink-resistant, heavy-duty, polypropylene woven carrier sheet. It is nominally 65 mils thick and is 12” (304.8 mm) wide.

VERTICAL END-LAP DETAILING

Application of this method requires the use of MEL-DRAIN_™ that has been installed up against a soil retention system according to our installation instructions. Ensure the backside of the MEL-DRAIN has been cleaned and there is no residue that will inhibit the bond of the DETAIL TAPE V. Remove the release paper on one side of the tape and roll press this tape onto the MEL-DRAIN. On the side of the tape facing out, remove the release paper on the one side of the tape, exposing 6” (152.4 mm) of the rubberized asphalt and apply the PLASMATIC CORE side of the PRECON into this and roll press into place. Following this, remove the remaining release paper on the tape and apply the subsequent roll of PRECON into this area, making sure that both rolls are butted together. Roll press this into place. Following that, apply a 12” (304.8 m) band of the POINTING MASTIC onto this overlap at a thickness of approximately 60 mils, and embed the DETAIL FABRIC into this.

*DETAIL TAPE V is a polymeric waterproofing membrane with a dual release paper. It is nominally 60 mils thick and is 12” (304.8 m) wide.

Following is a step-by-step procedure showing the sequence of a horizontal application using the Tape Method.

On a properly prepared sub-grade, place a strip of 12” (304.8 mm) DETAIL TAPE H with the adhesive side of the tape facing upwards.

Remove the release paper on the one side of the tape and fold back to expose 6” (152.4 mm) of the rubberized asphalt and apply the PLASMATIC CORE side of the PRECON into this and roll press into place.

*If desired, the full 12” (304.8 m) of release paper can be removed, but care must be taken to ensure that the exposed asphalt does not get dirty as that will affect adhesion of the subsequent roll.

Following this, remove the remaining release paper on the tape and apply the subsequent roll of PRECON into this area, making sure that both rolls are butted together.