22 cm elastomeric waterproofing strap for expansion joints

Kodi: PRS.0234

Përbërësit: 1

Pamja: Shirit

Strap with high resilience and resistance, with an overall width of 22 cm, consisting of a special thermoplastic elastomeric layer, resistant to ageing and wear and tear, and two lateral bands in non-woven polypropylene fabric. Perfect for waterproofing hydraulic sealing expansion joints in buildings, works and structures below aquifer level or to ensure the water-tightness of structural connections even off the ground.

Linee di appartenenza

Vetitë themelore


Gjërësia: 220 mm


I pandezshëm


Jetëgjatësia: 24 muaj


Temperatura e aplikimit: -30 / +90 °C

Veçoritë teknike

Breaking load lateral

61 N / 15 mm _

Breaking load longitudinal (only flexible zone)

51 N / 15 mm _

Extension break longitudinal

284 %

Momenti mekanik me 25% elasticitet anësor

1.2 N/mm

Momenti mekanik me 50% elasticitet anësor

1.4 N/mm

Presioni hidraulik maksimal

>3 bar

Rezistenca në tërheqje

167 N / 15 mm _

Tërheqja deri në këputje

35 %


1.5 mm

UV resistance

2480 h

Zgjatja deri në këputje anësore

424 %

Ngjyrat në dispozicion

- Gri

Amballazhime dhe përmasa

- Rrotull 30 m


ELASTOTEX 220 is endowed with exceptional chemical inertness, laboratory tests have shown that it can sustain prolonged contact for 7 days at 20 °C with the following substances without problems: hydrochloric acid at 3%, sulphuric acid at 35 %, citric acid at 100 g/l, lactic acid at 5%, potassium hydroxide at 3% and 20%, sodium hypochlorite at 0.3 g/l, salt water at 20 g/l.


1.1 m/m: 1 metre of ELASTOTEX 220 for each linear metre, being careful to overlap the rolls of approximately 5-10 cm in correspondence with the edges of the band to guarantee the permanent water tightness of the system.

Fushat e përdorimit

Waterproof sealing of expansion joints, including large ones, subject to considerable work movements, and of natural joints and fissures, also in conditions of hydraulic counter-thrust, in tunnels, silos, tanks, pools, basements, roofing, prefabricated coverings, road joints and hydraulic works in general.

Përgatitja e shtresave

The application surfaces should be clean, free of incrustations, dust and non-adhering parts, carefully roughened.

Mënyra e përdorimit

Mix the epoxy resin SYNTECH AS 31 thoroughly in the pre-determined amount as required. Spread the epoxy adhesive prepared as described above, on the sides of the joint to be waterproofed by toothed adhesive spreader, kept constantly clean, taking care to obtain uniformity of the thickness applied that must not be less than 2 mm. Unroll and apply the ELASTOTEX 220 strap, on the fresh adhesive spread, pressing it against the resin, stretching the ends by hand, taking care to avoid wrinkling and air bubbles, until the underlying resin totally impregnates the fabric at the side of the strap. Apply with a metal filling knife a second layer (at least 2 mm) of SYNTECH AS 31 adhesive on the fabric at the edges of the strap, already impregnated, in order to protect it permanently from accidental damage and to obtain certain monolithicity of the end to the support.

For the joint between two adjacent straps, weld the end flaps for overlap and solder them using a special hot air welding machine. For additional security of the seal, a small layer of SYNTECH AS 31 should be applied on the heated flaps.

The final system resistances will be reached after about 7 days after laying, but already after 24 hours at 20°C, values equal to 60-70% of the final performances can be obtained. In any case the performance after 24 hours will be much greater than those of a high quality concrete.

Mënyrat e përdorimit

- Aplikim manual

Shtresat e lejuara

- Beton

- Parafabrikuara

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