
A better, simpler & cost-effective way to build.
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Get instant material estimates for precast beam and block systems. Trusted by 500+ contractors across Kenya for faster, lighter, and stronger slabs.
From dimensions to an official material quote in under 60 seconds. Designed specifically for Kenyan site conditions.
Enter room length and width for each section of your floor slab layout.
See live material requirements for beams, hollow blocks, cement, sand & BRC mesh instantly.
Generate an itemized PDF estimate or share directly with your client on WhatsApp.
On-site assembly of precast beam & block slab

Enter room dimensions or upload your architectural plan below to calculate exact quantities for precast beams, hollow blocks, cement, sand, ballast & BRC mesh.
Standard Residential
Best for regular spans and cost-efficient residential floor systems.
Heavy Duty Span
Ideal for heavy loads, commercial spans, and industrial floor systems.
Technical specifications automatically update in real-time. Toggle "Cost Estimation" to display custom pricing and calculate comprehensive building estimates.
Trusted by Top Construction Partners
Success Stories
"SI-LATECH changed the game for our residential projects. We saved over 25% on formwork timber and completed our first floor slab installation in just 2 days. The precast beams are of excellent structural quality."
Eng. Dennis Kamau
Managing Director • Apex Structures Ltd (Kiambu)
"Estimating beam and block quantities used to take hours of manual CAD cross-checking. SilaCalc is instantaneous and incredibly precise. The materials are delivered exactly as quoted, reducing onsite wastage to nearly zero."
Grace Mutua
Lead Architect • Savannah Heights Developers (Nairobi)
"Building near Juja can be difficult due to heavy soil profiles. Choosing SI-LATECH's light-weight precast hollow block system significantly reduced the dead load on our foundations while providing superior thermal insulation."
Site Mgr. Caleb Omondi
Project Supervisor • Juja Modern Builders
Our precast system replaces traditional solid concrete slabs with engineered ribbed beams and hollow blocks for faster, smarter, and more economical building.
Lighter slabs reduce foundation stress and overall structural load.
Install beams and blocks in days with minimal timber propping needed.
Flush soffit provides a clean finish ready for direct plastering.
Natural air insulation inside hollow block cavities keeps rooms cool.
Superior sound dampening barriers between upper and lower floors.
Lightweight components are easily carried and installed by hand without cranes.
Drastically cuts down on timber usage, site waste, and environmental impact.
See our precast beam and block slabs installed across residential and commercial sites in Kenya.

Pre-stressed high-strength concrete ribbed beam.
Lightweight infill block creating air cavities for thermal & acoustic insulation.
Standard clear distance between beam centers for maximum load distribution.
3x2 timber runners supporting beams during concrete topping pour.


Trusted by Leading Contractors & Structural Engineers Across Kenya
Here is how SI-LATECH is helping Kenyan builders save money and speed up project timelines.
"SilaCalc saved us days of manual estimation. The beam and block quantities matched our structural drawings with pinpoint accuracy."
Senior Structural Engineer • Mwangi & Associates Consultants
"We completed a 240 m² floor slab in Kiambu in less than 3 days. The cost savings compared to cast-in-situ concrete were substantial."
Lead Site Contractor • Karanja Construction Ltd, Ruiru
"The instant PDF quote feature allowed us to send transparent material breakdowns to our bank for financing approval immediately."
Project Developer • Wanjiru Heights Apartments
Verified calculations based on BS 8110 standards
High-strength precast beams & hollow blocks
Meets Kenyan building standards
Trusted by over 500+ site projects
Our structural technical team is ready to assist you with beam sizing, site layout support, and delivery logistics across Kenya.
Chat with a technical consultant instantly on WhatsApp.
Speak directly with our technical team during business hours.
Send your architectural drawings for a detailed quote.
Behind Rubis Petrol Station, Ruiru, Kiambu County, Kenya.