ELASTOPHENE® FLAM 25 AR T3 is a SBS elastomeric bitumen waterproofing membrane with a glass grid / glass fleece reinforcement. The topside is protected . ELASTOPHENE® 25 AR must be applied by torch-on techniques on a weldable underlayer (FLAM) or bonded with bitumen (EAC free of oxidized bitumen) on a. ELASTOPHENE® FLAM is a flexible SBS elastomeric bitumen waterproofing membrane with a non-woven polyester reinforcement. Both sides are.

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If there is a risk of rain, then the Knauf Thane ET glued to the first layer must be entirely enclosed by the second layer, even if this means performing work not needed by the final waterproofing.


La partie bitume fait approximativement 2. Creative Commons Attribution – NoDerivs 3.

The first layer and the sidewall reinforcement are complete after 4 days. The photos on this page describe the work. On my roof, the rolls of the final layer are positioned north-south, so the second layer must be east-west.

Click on the photos to enlarge them. The orientation of the second layer depends on the way in which the third layer will be applied. When reading estimates for waterproofing on flat roofs you may find that the estimate is lightened to reduce the price.


The work specified by this standard is often referred to as Three layers plus insulation, with heated reinforcement. Last drops of the weekend’s heavy rain. The weekend brings heavy rain to test the waterproofing — not a drop gets through to the house. Finishing around rain water collector See 2.

Cutting nord end of a roll of finishing layer. Pas une goute n’entre dans la maison. Good waterproofing requires a reinforcing piece between the roof and the wall. Before work begins, the existing concrete surface was cleaned with a high pressure bar hose equipped with a rotating jet.

Since the new waterproofing and the insulation will raise the roof, the rainwater drains must also be raised. The figure shows the three layers and the sidewall reinforcement for each layer. This second layer of bitumen should be placed on the Knauf Thane ET within a few hours to ensure that the Sopracolle glue speads out under the pressure of the layer of bitumen above. Click on photo to enlarge. Before the insulation is laid, the channels carrying the rain water are reinforced: Reinforcement at junction of standups.



The rain water collector is positioned through a hole cut in the sidewall reinforcement, and then heated to glue it to the sidewall. Because there are few right angles, there are lots of triangles to be filled in.

Heating the outer-reinforcement and the collector.

The two layers should be perpendicular to one another. The Elastophene 25 is rolled out and cut to fit.

ELASTOPHENE® 25 AR – Soprema

For example the first layer could be omitted, and the insulation glued directly to the existing surface. Click on figure to enlarge. Chauffage du sur-renfort et de la platine.

Applying the insulation requires careful attention to the weather forecast and the planning of the work. Cliquer sur les photos pour les agrandir.

Finition autour de la platine. Il est bien plus rapide de remplacer les renforts par le flashing: