Protect both your property and the environment from potential chemical reactions or ground movements that may lead to leaks with WEIDA’s Polysept, a prefabricated septic tank made from engineering-grade polyethylene.
Designed for durability and ease of installation, its one-piece, impact-resistant, seamless body requires no curing or waterproofing, saving time and labour. Featuring an advanced up-flow filter chamber with specialised bio-media, it ensures efficient treatment and prevents clogging.
Polysept offers a reliable, cost-effective solution for domestic sewage management at a competitive price point.
Housing developments
Rural developments
Petrol stations
Individual residential homes
Housing complexes and condominiums
Resorts, hotels, and restaurants
Commercial buildings (complexes, shops, offices)
Schools, hospitals, and military camps
Industrial applications (factories and plants)
High Performance Filter – Equipped with an advanced filtration system that enhances the efficiency of wastewater treatment, ensuring cleaner and more reliable output.
Strong, Leakproof, & Impact Resistant – Constructed from durable materials designed to withstand physical stress and prevent leaks, even under challenging ground conditions.
Corrosion Proof & Chemical Resistant – Built with engineering-grade polyethylene that resists corrosion and chemical degradation, making it ideal for long-term use in various environments.
Easy Installation – Lightweight and prefabricated for quick and straightforward on-site installation without the need for curing or additional waterproofing.
Easy Maintenance – Designed with user convenience in mind, allowing for simple inspection and cleaning with minimal effort and maintenance requirements.
Anaerobic System – Operates on a proven anaerobic treatment process that effectively breaks down waste without the need for external power or aeration.
Clog-Free, Large Surface Area for Optimal Microorganism Growth – Features a specially designed bio-media filter that maximises surface area, promotes robust microbial activity, and prevents clogging for consistent performance.
Cavite Commissary
Laguna Cottages
Rizal Gasoline Station
Manila Covid-19 Field Hospital
Isabela Eco Tourism
Makati Residential
Rizal School
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