Tender pricing & alternatives
Review the specification, drawings and quantities; identify the controlling requirements, genuine alternatives and technical gaps before price is locked.
Civil contractors, estimators & project engineers · Australia-wide
Practical geosynthetic support for civil works.
Send the drawing, specification, quantity or site problem. Kontain helps narrow the system, checks the important evidence and departures, plans the supplied format and delivers project-direct.
Directtechnical contact with Ben
14+ yearsgeotechnical and geosynthetic experience
Project-directmanufacture and Australia-wide delivery
Practicaltender, submittal and field support
Common civil work fronts
Start where cost, compliance or buildability can go wrong.
The right product is only part of the answer. The specification, construction sequence, supplied dimensions, plant access and acceptance evidence all affect the final outcome.
Roads & working platforms
Screen separation, confinement, reinforcement, aggregate thickness, subgrade variability, construction traffic and practical installation.
Soft ground & basal reinforcement
Connect ground conditions, settlement mechanism, construction sequence and design tensile demand to the appropriate woven or grid system.
Walls, slopes & embankments
Coordinate long-term tensile strength, interaction, facing, drainage, connection details, roll direction and construction staging.
Filtration, drainage & protection
Check pore-size compatibility, transmissivity, survivability, chemical environment, load, creep and the interfaces around the geocomposite.
Containment & stormwater
Review GCL, protection, drainage and modular tank requirements as a system—including subgrade, penetrations, cover and installation sequence.
How the review works
Fit the system to the job, then make it commercially buildable.
This is where an engineering background matters: not to turn every supply enquiry into a design exercise, but to recognise which inputs genuinely change the answer.
Define the mechanism
State what must be separated, filtered, drained, reinforced, stabilised, contained or protected.
Find the controlling inputs
Ground, water, loads, geometry, construction method, programme and acceptance criteria.
Check the evidence
Use the correct test methods, directions, specimen conditions, reduction factors and durability basis.
Plan the supplied format
Roll widths, lengths, overlaps, cuts, container use, handling and delivery sequence affect installed cost.
Close the site interface
Installation notes, hold points, inspection and quick technical clarification reduce avoidable rework.
Civil product pathways
Compare the system that matches the mechanism.
These are starting points, not automatic substitutions. Final selection remains subject to the project conditions, specification and evidence required by the designer or principal.
01
Nonwoven geotextiles
Filtration, separation, drainage and geomembrane protection.
Review system ↗02PP road wovens
Robust separation and tensile contribution over weak or variable subgrades.
Review system ↗03Pavement geogrids
Aggregate confinement and stabilisation for roads, platforms and temporary access.
Review system ↗04PET reinforcement
High-strength basal reinforcement, load transfer and soft-ground applications.
Review system ↗05Uniaxial geogrids
Reinforced-soil walls, steep slopes and structural soil reinforcement.
Review system ↗06GCL systems
Bentonite barriers for containment, ponds, waste and environmental works.
Review system ↗07Drainage geocomposites
In-plane drainage and gas or liquid collection under sustained loading.
Review system ↗08Underground stormwater tanks
Configured detention, infiltration and harvesting systems from approximately 100 m³.
Review system ↗Useful before the quote
Use the tools to test the concept, then send the real project inputs.
The tools support early comparison and clearer questions. They do not replace project-specific design or the appointed engineer's review.
Pricing a civil package?