ESTERDAN 30 P ELAST. Semi Adhesive is a semi self-adhesive bitumen underlay suitable for flat roofs. Composed of a non-woven polyester felt reinforcement, covered with SBS modified bitumen mastic, self-adhesive on the lower side meaning no flames on site and a very quick and easy installation.

Advantages

Absorbs structural movements well.
Good anti-piercing protection from mechanical damage.
This sheet is suitable for waterproofing buried structures (basement walls) with a favourable technical evaluation.
High tensile strength and high elongation at break.
High resistance to tearing.
Rot-proof.
The sheet can be combined, in two-ply membranes, with a sheet reinforced with glass fibre felt, which provides the waterproofing system with dimensional stability, of great importance in bonded systems.
Improves the performance of mechanically fastened sheets by providing a high wind suction resistance value and optimising the density of fastenings.

Uses

Underlay to be used with a Cap Sheet Two-ply self-protected membrane underlay mechanically fastened to the deck roof.
Waterproofing sheet on the outside of the wall.