Anti-Termite Calculator
Calculate chemical quantity for pre-construction soil treatment (IS 6313 standards).
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r.ft (optional)
Enter Site Details
Input plinth area and select treatment stages.
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What is Anti-Termite Treatment?
Anti-Termite Treatment (ATT) is a chemical barrier applied to soil during construction to prevent termite infestation. Termites attack from underground, and pre-construction treatment is far more effective and economical than treating an infested building later.
Our calculator supports 4 chemical types with correct dilution ratios and calculates quantities for 4 treatment stages as per IS 6313 Part 2 standards. Get stage-wise breakdown with cost estimation in multiple currencies.
Pre-construction treatment costs 1-2% of building cost but protects for 10-15 years. Post-construction treatment is 5-10x more expensive and less effective.
4 Chemical Types
Chlorpyrifos, Imidacloprid, Bifenthrin, Fipronil with correct ratios.
4 Treatment Stages
Foundation, Backfill, Plinth, Perimeter as per IS 6313.
Stage-wise Breakdown
See exact emulsion quantity for each treatment stage.
IS 6313 Compliant
Rates and methods follow Indian Standard specifications.
Chemical Comparison
| Chemical | Dilution | Longevity | Best For |
|---|---|---|---|
| Chlorpyrifos 20% EC | 1:19 | 10+ years | Budget option, new construction |
| Imidacloprid 30.5% SC | 1:49 | 12+ years | Odorless, occupied buildings |
| Bifenthrin 10% EC | 1:99 | 10+ years | Long residual effect |
| Fipronil 5% SC | 1:199 | 15+ years | Premium, non-repellent |
Treatment Stages (IS 6313)
Bottom and sides of excavated trenches before PCC
Treat soil while refilling around foundation
Entire plinth surface before flooring/tiles
External boundary trench with holes at intervals
Mixing Instructions
- Fill tank half with water before adding chemical
- Add measured chemical as per ratio (e.g., 1:19)
- Stir thoroughly for 2-3 minutes
- Add remaining water to complete the mix
- Use within 24 hours - emulsion degrades over time
- Apply immediately to soil before it dries
Safety Precautions
Wear chemical-resistant gloves and safety goggles
Use respiratory mask to avoid inhalation
Work in well-ventilated areas
Keep away from water sources and drains
Do not eat or drink during application
Wash hands thoroughly after handling
Pro Tips
Hire licensed pest control for warranty certificate
Pre-construction treatment is 5-10x cheaper than post
Apply on dry soil - rain dilutes effectiveness
Complete all stages - gaps invite termites
Keep treatment certificate for bank loans
Fipronil for premium protection (15+ years)
Frequently Asked Questions
How much anti-termite chemical is needed per sq.ft?
For prepared emulsion: 0.5 liters per sq.ft (5 liters per sq.m) for floor treatment. Chemical concentrate varies by type - Chlorpyrifos 20% EC needs 1:19 dilution (about 25ml concentrate per sq.ft), while Imidacloprid uses 1:49 ratio (about 10ml per sq.ft).
What is the mixing ratio for Chlorpyrifos 20% EC?
Chlorpyrifos 20% EC is mixed in 1:19 ratio (1 part chemical to 19 parts water). This means for every 1 liter of concentrate, add 19 liters of water to make 20 liters of emulsion. This is the most common anti-termite chemical in India.
What is the difference between Chlorpyrifos and Imidacloprid?
Chlorpyrifos 20% EC: Strong odor, cheaper, 1:19 dilution, effective but being phased out in some countries. Imidacloprid 30.5% SC: Odorless, safer, 1:49 dilution, newer generation termiticide. Imidacloprid is preferred for occupied buildings due to no smell.
What are the anti-termite treatment stages?
IS 6313 specifies 4 stages: 1) Foundation Trench (5 L/sq.m) - before pouring concrete. 2) Backfill (7.5 L/sq.m) - when refilling excavated soil. 3) Plinth Surface (5 L/sq.m) - before flooring. 4) Perimeter Trench (2.25 L/r.m) - external boundary.
How long does anti-termite treatment last?
Pre-construction treatment lasts 10-15 years when done properly with quality chemicals. Chlorpyrifos provides 10+ years protection. Fipronil and non-repellent chemicals can last 15+ years. Post-construction drilling treatment typically lasts 5-8 years.
Is pre-construction termite treatment mandatory?
Yes, in many countries. In India, pre-construction anti-termite treatment is mandatory as per National Building Code (IS 6313). Banks require termite treatment certificate before approving home loans. It's also required for government buildings and large projects.
What is Fipronil and why is it expensive?
Fipronil 5% SC is a premium, non-repellent termiticide. Unlike repellent chemicals that termites avoid, Fipronil is undetectable - termites walk through it and spread it to the colony involving a chain reaction death. More effective but 3-4x costlier than Chlorpyrifos.
Can I do anti-termite treatment myself (DIY)?
Not recommended for pre-construction treatment. Requires precise application, specialized equipment, and licensed chemicals. Poor application leaves gaps that termites exploit. Professional pest control operators provide warranty and certificate. DIY is only suitable for small perimeter repairs.
How is perimeter trench treatment done?
Dig a 30cm wide × 30cm deep trench along external walls. Create holes (15cm diameter × 30cm deep) at 30cm intervals in the trench bottom. Pour 2.25 liters emulsion per running meter. Cover with treated soil. This creates a continuous chemical barrier around the building.
What safety precautions for anti-termite chemicals?
Essential safety: Wear chemical-resistant gloves, safety goggles, and respiratory mask. Work in ventilated areas. Do not eat/drink during application. Keep away from water sources and drains. Store chemicals in original containers away from food. Dispose of empty containers properly.