
HDPE geomembranes
Engineered material for containment, waterproofing and environmental protection in projects of every scale.
View details25 years of field engineering
LJS designs and installs geomembrane solutions for cisterns, lagoons, landfills and reservoirs — from technical assessment to field execution across Brazil.
Featured products and solutions
Start with your challenge
Choose the goal closest to your project. LJS recommends the technical solution, not just a product.

Engineered material for containment, waterproofing and environmental protection in projects of every scale.
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Systems that safely turn organic waste into biogas and biofertilizer.
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Reservoirs sized for rainwater capture and storage with fast execution.
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Structures for responsible nutrient reuse, water efficiency and productive continuity.
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Waterproofing for treatment lagoons, manure storage and landfills to protect soil and operations.
View detailsField projects
Galleries organized by category, with field records from different execution stages.
View all projectsMarkets we serve
Field track record
A journey built through delivery capacity, technical expertise and a consistent field presence.
Environmental solutions implemented across properties and operations.
Technical experience built since 2000.
Projects focused on the safe final disposal of waste.
Structures designed to improve water security.
LJS presence
Service throughout BrazilProjects for agribusiness, industry, sanitation and infrastructure.
LJS facilities in Nova ItaberabaExperience that reaches the field
Meet the founder of LJS and the people bringing environmental engineering to projects across Brazil today.
Discover our storyThe LJS method
We map the operation, the challenge and local conditions.
We define materials, scope and the appropriate technical solution.
A specialized team manages installation and field control.
We guide the operation and keep a direct support channel open.
Frequently asked questions
Yes. LJS delivers projects across different regions of Brazil. Feasibility is assessed according to scope, location and logistics.
The choice depends on stored material, soil, exposure, slope, thickness and operating requirements. A technical assessment prevents undersizing and rework.
LJS provides integrated solutions and can support supply, engineering and installation according to project needs.
Send a brief description, location and, if possible, dimensions or site photos. Our team will complete an initial assessment and request any additional information.
Your project starts here
Open WhatsApp and tell us what you need to solve. The LJS team will guide the next steps.
Commercial service
You go straight to the conversation, with no form or intermediate step.
+55 49 98845-7758Talk on WhatsAppSend photos, measurements and the project location directly in the conversation.