Carnation Construction
Contact Dave

Double sided tape

Double sided tape 3M 9589 

Double sided tape 3M 9589 half inch 

This is for use for sticking the various waterproof membranes in place.

3M 9589 Double sided tape.  Half inch width is about $10 per 100 foot reel.


Other wider widths are also available (but half inch will be fine).



The following 2" wide double sided tape seems to work really well, even on polyethylene sheet...

Double Sided Adhesive Carpet Tape by DigHealth(TM), Pack of 2-(2 Inches x 30 Yards, Heavy Duty, For Indoor Outdoor Carpet Edge Binding, No Residue), Removable Carpet, Mat, Rug Cloth Tape

https://smile.amazon.com/gp/product/B01LMW5UI6/ref=oh_aui_detailpage_o02_s00?ie=UTF8&th=1   $17.99 for 2 rolls

or more expensive...

XFasten Double Sided Carpet Tape, 2-Inch x 30 Yards      $17.98 for 90 feet (but brought for less on offer)



Another possibility is SIGA Twinet double sided tape available from albert.rooks@mac.com.  A 50 yard reel is about $40.