Logotipo Texsa, S.A.


DRENTEX PROTECT MAXI GARDEN is a drainage membrane for garden roofs made up of high density polyethylene (HDPE) dimple membranes with overflows.

Technical documentation

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  • Advantages
  • Application
  • Installation
  • Storage
  • Regulations

• Drains off rainwater and is used to protect the waterproofing of the drainage systems and maintenance work on green roofs.
• The dimples retain water inside to provide the vegetation with moisture through evaporation, while the overflows allow for drainage and management of retained water.
• Reduces and slows the flow of water in the general collectors by increasing their efficiency, at the same time that they facilitate the return of rainwater to the atmosphere through evaporation.
• A stable and reliable, rot-, root- and fungi-proof drainage system.
• Easy to transport and install.

• Drainage and water collection on zero-slope extensive or ecological green roofs or those with large skirtings.
• System weight reduction compared to natural drainage systems with gravel.
• Used as waterproofing protection and separating layer where water control and drainage is needed

• Once the surface is waterproofed, a perforation-resistant layer with a TEXXAM 700 or ROOFTEX V 120 geotextile is placed down
• The draining membrane is extended with the dimples against the geotextile so they can fill with water, overlapping about 150 mm, fitting together 3 dimples
• Then, the filtering layer made up of TEXXAM 700 or ROOFTEX V 120 geotextile is spread, overlapping 25 cm to prevent the soil particles from blocking drainage.
• Finally, the soil is spread manually in thicknesses depending on the vegetation.
• Ready-to-use GREENTEX SEDUM MATS can be used, which allow a green finishing from day one and covering of the entire surface.
• It must be recoated in the two weeks following installation.

Roll: 2 m x 20 m
m² Roll: 40
m² Pallet: 200

• Quality System in accordance with ISO:9001




In cases where the user must provide data of a personal nature to TEXSA SYSTEMS SLU to use any of the Web services, the former will be expressly informed each time of the existence of an automated data base, the aim of same, those receiving the information and identity and address of the person responsible for data treatment, all with the aim of complying with that stipulated in Organic Law 15/1999 of 13th December, for the Protection of Data of a Personal Nature. To this effect, TEXSA SYSTEMS SLU shall reserve confidentiality of the data obtained and the users can exercise all rights to access, amendment, cancellation and any others referred to in aforementioned Organic Law 15/1999.

TEXSA SYSTEMS SLU has adopted all the necessary measures of a technical and organisational nature, to guarantee the security of the data of a personal nature, with the aim of preventing their alteration, loss, treatment or unauthorised access, in accordance with the requirements and conditions called for by Royal Decree 994/1999 of 11th June, in which the Regulation of safety measures of automated files containing data of a personal nature, is passed, notwithstanding the user's acceptance and knowledge that to date totally impregnable safety measures do not exist.

In case of doubt or the need to extend the information covering any of the above items, please do not hesitate to contact TEXSA SYSTEMS SLU.


C/Ferro Nº7,
Polígono Industrial Can Pelegrí,
08755, Barcelona - Spain
NIF B66067687

Tel. (+34) 93 635 14 00
Fax (+34) 93 635 14 80

Email:  lopd@texsa.com