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.
- 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.
- 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.
- 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.
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