Cementos Molins


BETOTAPE SEAL is a high performance sealing system for expansion joints, joins, half shafts, cracks or fissures, made of a high elasticity, impermeable thermoplastic elastomer (TPE) strip, with thermo-welded polypropylene geotextile over its full surface and on both faces. Once the substrate is fixed it allows joint movement, both indoors and outdoors. The system is fixed by using the BETOPOX® 920 P epoxy adhesive, BETOPUR polyurethane membrane, PROPAM® IMPELÁSTIC acrylic membrane or BETOPAINT 91 FIBRAS or with a cement mortar with high adherence such as FLEXITEC/PROPAM IMPE FLEX, when there is humidity in the joints.


Do you have a similar work to solve and have doubts about which material to choose?

Fields of application

Treating joints and fissures in walls, roofs and patios, water tanks, purifying plants, swimming pools, basements and galleries. Joints between rigid and flexible materials. Sealing irregular cracks and fissures in concrete structures. Waterproofing of joins and half shafts in damp rooms such as changing rooms, kitchens, bathrooms, etc. Sealing perimeter joins with façades.


Great elasticity. Completely water impermeable. Suitable for application in permanent immersion. Applicable on dry and wet substrates. Good chemical strength against salts, acids and diluted bases. Good resistance to UV rays. Good strength and elasticity even at low temperatures. Its polypropylene geotextile is alkali-resistant and guarantees its compatibility with the cement products. Easy to place, welding-free splicing.


The approximate amount of adhesive when using BETOPOX® 920 P is to be 0.5 to 0,7 kg per metre of joint. Using 0.8 to 1.2 kg of PROPAM IMPEFLEX/ FLEXITEC per metre of the joint. The consumption can vary depending on the conditions and irregularities of the substrate. It is advisable to carry out an on-site test to determine the exact amount to be used.



50 m wide rolls: 120 mm.


Share this product


See all products


Do you want to receive more information?

Complete this form and we will contact you as soon as possible 🙂

¡Me interesa!