Engineering Protection, Building Excellence.
We diagnose the problem and engineer the fix.
SAS Prime Construction & Engineering is a specialized construction engineering company built around one core promise: protecting what our clients build. Waterproofing, industrial flooring, structural repair and strengthening, protective coatings and crack injection — applied by certified applicators under engineering supervision.
Waterproofing
Flooring
Repair & Leakage
Chemicals Supply
Products & Engineering Solutions
Admixtures, waterproofing materials, bonding systems, structural products and specialized solutions — sourced from internationally recognized brands.
Browse productsSpecialized Application Works
Certified crews for waterproofing, epoxy & PU flooring, structural repair, protective coatings and crack injection — with engineering supervision on every job.
Explore servicesOur Process
How We Work
Site Assessment
Material Selection
Skilled Application
Quality Handover
What We Do
Application services, by our own skilled crews
From waterproofing and industrial flooring to crack treatment and structural repair — we apply the right chemical system the right way, and stand behind the result.
Water & Dam Proofing Coating
Heavy-duty protective coatings that seal water-retaining structures, basements, dams and reservoirs against water ingress and hydrostatic pressure.
Learn more
Crystalline Water Proofing Coating
Penetrating crystalline technology that reacts with concrete to self-seal cracks and pores from within, providing permanent integral waterproofing.
Learn more
UV Resistant Acrylic Waterproofing Surface Coating
Flexible, UV-stable acrylic coatings that waterproof exposed surfaces and roofs while reflecting heat and resisting weathering and discolouration.
Learn more
PU Flooring
Tough, hygienic polyurethane floor systems engineered for thermal shock, chemical exposure and heavy traffic in industrial environments.
Learn more
Epoxy Flooring
Seamless, high-gloss epoxy floor coatings and self-levelling systems that deliver durability, easy cleaning and a premium finish.
Learn more
Crack & Leakage Treatment
Targeted crack injection and leak-sealing using PU/epoxy resins to stop active water leakage and restore structural integrity.
Learn moreWhy SAS Prime
Engineering protection, building excellence
Hands-On Engineering Oversight
Site-based engineers and certified applicators manage every step, from inspection through handover.
Materials You Can Trust
Internationally tested, approved construction chemicals — never a cheaper substitute.
Checked at Every Stage
Surface preparation and application both go through structured inspection before work moves on.
Deadlines We Actually Hit
Careful scheduling and well-maintained equipment keep every project on track.
Value Built to Last
Engineering choices that cut future maintenance needs and total lifecycle cost.
A Warranty Behind Our Work
Clear workmanship guarantees on every specialised application we complete.
Safety & HSE Commitment
Site safety is non-negotiable
- Site Safety Standards & Regulations
- PPE Required for Every Worker
- Structured Quality Inspection
- Environmental Care On Site
“We treat every waterproofing and flooring job like it's protecting our own building — that's the standard behind every SAS Prime project.”
From our catalog
Featured Products
Admixture — Waterproofing & Super Plasticizer
Concrete admixtures that improve workability, reduce water demand and impart integral waterproofing for stronger, denser concrete.
View detailsBonding Agent
High-strength polymer bonding agents that create a durable bond between old and new concrete, plaster and screeds.
View detailsNon-Shrink Grout
High-strength, free-flowing cementitious grout for precision load transfer under base plates, machinery and bearings.
View detailsMicro Concrete
Free-flowing, single-component micro concrete for repairing and reinstating damaged structural sections with minimal formwork.
View detailsBerger Fosroc is our primary material of choice, while we also regularly source and apply proven solutions from Sika, BASF, Conmix.
All product names, logos, and brands are property of their respective owners. Mention of brand names does not imply any direct affiliation, sponsorship or endorsement.
Our work
Recent Projects
Waterproofing Basement Waterproofing — Commercial Tower
Dhaka • 2025
Crystalline and membrane waterproofing of a three-level basement subject to a high water table, delivered leak-free on a tight schedule.
View project
Flooring Epoxy Flooring — Pharmaceutical Plant
Gazipur • 2024
4,500 sq.m of seamless, hygienic self-levelling epoxy flooring installed across production and packaging halls with minimal downtime.
View projectStructural Repair & Retrofitting — Overpass
Chattogram • 2024
Restoration of corrosion-damaged piers using rust treatment, micro concrete and anchoring systems to extend service life by decades.
View projectProspective Clients
Built for the nation's leading institutions
As we grow, government bodies, national authorities and major institutions are the kinds of prospective clients our team and engineering capability are prepared to support — on public infrastructure, industrial facilities and private developments alike.
Target institutions and prospective clients
Government & Public Sector
- MES — Military Engineer Services Projects
- PWD — Public Works Department
- LGED — Local Government Engineering
- Public Infrastructure & Utilities
- City Corporation Projects
Industrial & Commercial
- Garments & Textile Factories (RMG Sector)
- Pharmaceutical Manufacturing Plants
- Warehouses & Distribution Centers
- Power Plants & Substations
- Commercial Towers & Hotels
Residential & Institutional
- High-Rise Residential Apartments
- Private Housing Developments
- Schools, Colleges & Universities
- Hospitals & Healthcare Facilities
- Shopping Complexes & Retail Centers
Have a project in mind?
Whether you need engineering chemicals or a certified crew to apply them, our team is ready to help. Get a free site assessment and quote.