Soudal Silirub 2 is an excellent quality high-tack Bird Spike Adhesive. It excellent strength means that it is even recommended for application in damp conditions. 

PREMIUM QUALITY low modulus neutral cure silicone sealant. Very fast skinning time and final cure. 100% silicone, no shrinkage. Thick-bodied. Excellent toolability. Primerless adhesion on all common construction materials (glass, plastics, masonry substrates, metals and wood). High movement capability. Resistant to UV, rain, snow . High and low temperature resistance.

One tube will glue a minimum of 10 meters.