ONYX Engineering & Contracting Pvt Ltd.

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ONYX Engineering & Contracting Pvt Ltd.

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We are a trusted provider of innovative, high-quality construction solutions, specializing in waterproofing systems and advanced construction chemicals.

We proudly serve clients who value durability, technical precision, and long-term performance.

05/09/2026

🚀 Elevate Your Construction Quality with NEOBOND SBR 250! 🏗️💪

Looking for maximum strength, durability, and waterproofing for your building projects? NEOBOND SBR 250 by Royal Industries is your ultimate SBR-based bonding agent and admixture designed to deliver stronger bonds and longer-lasting protection.

✨ Key Benefits:
🔗 Superior Bond Strength & enhanced adhesion

🛡️ Extends Durability & Toughness on all surfaces

💧 Lowers Water Pe*******on & provides excellent waterproofing

🧱 Reduces Shrinkage & Cracking in renders and screeds
📐 Enhances Flexural & Tensile Strength

🎯 Ideal For:
Bonding Slurry & Repair Mortars
Renders & Screeds
Waterproofing Basements, Roofs, & Wet Areas
Tile Fixing & Concrete Repairs

🛠️ Built Strong. Built to Last.
📦 Available Sizes: 1 Litre | 2 Litre | 10 Litre
🇦🇪 Made in UAE
📞 Contact Us: +94 713409952
🌐 Website: www.onyxengineerings.com

01/09/2026

🪨 Transform Your Walls with Elegant Travertine Stone Sheets

Elevate your space with the timeless charm and natural beauty of travertine stone sheets — perfect for both modern and classic interiors. Ideal for homes, offices, commercial areas, and even outdoor walls!

✨ Why choose Travertine?

Elegant, high-end look

Natural stone durability

Suitable for interior & exterior use

🏡 Perfect for:
✔️ Living rooms, kitchens, and bathrooms
✔️ Hotel lobbies, office spaces & restaurants
✔️ Outdoor garden walls & features

Available size : 2ft x 4ft

Where It Is Used

Hotel lobby feature walls
Bathroom wall cladding
Columns and pillars
Exterior façade cladding
Reception counters
Living room TV walls
Staircase wall coverings

Ready to give your walls a luxurious makeover?
📩 Message us now or comment below to learn more or visit!

📍 Visit us: No.12, Grandpass Road, Colombo
🕒 Open: 9.00 am – 5.00 pm (Mon–Sat)
📞 Call us: 071 340 9952

30/08/2026

𝐒𝐮𝐩𝐞𝐫 𝐥𝐮𝐱𝐮𝐫𝐲 𝐥𝐢𝐠𝐡𝐭 𝐰𝐞𝐢𝐠𝐡𝐭 𝟑𝐃 𝐏𝐔 𝐜𝐮𝐥𝐭𝐮𝐫𝐚𝐥 𝐟𝐚𝐮𝐱 𝐬𝐭𝐨𝐧𝐞 𝐬𝐨𝐥𝐢𝐝 𝐰𝐚𝐥𝐥 𝐩𝐚𝐧𝐞𝐥𝐬 𝟔𝟎𝟎𝐦𝐦 𝐱 𝟏𝟐𝟎𝟎𝐦𝐦 𝐗 𝟑𝟎-50𝐦𝐦 mm

Premium-quality product.

PU Stone Panel are the best wall cladding/decorative products, they can be used in living rooms, bedrooms, kitchens, TV backgrounds, home renovations; corporate logo, meeting rooms, lobby walls, offices, restaurants , cafes, cinemas and night clubs and other places such as commercial buildings, residential buildings and hotel residency buildings etc.
Suitable for indoor & outdoor applications.

✔ Why choose PU stone panel?

Easy to install by structural adhesive or mechanical fixing.
No need keel/frame, can be hung, glued, cut and sawed easily.
Protection of ecological resources, reduce exploitation of stone, wood etc.
Eco-friendly, no harmful substance
No fading, anti-aging, anti-UV, anti-corrosion, anti-mildew, insect proof, windproof, waterproof and fire retardant.

Price - 8,900/- per panel

🛒Shop now - https://onyxengineerings.com/.../super-luxury.../
No12,Grandpass road,Colombo 14

Please contact for more details
☎Contact now - 071 340 9952

28/08/2026

Polyurethane (PU) liquid Waterproofing membrane is an elastic waterproofing membrane, single component of water-based polyurethane.
Used to prevent leakage, solve cracks on concrete caused by rapid change of temperature.
PU Waterproof has a character of;
- one component pure polyurethane.
- 100% proof seamless waterproof layer.
- Highly elastic, elongation up to 600%.
- UV resistance, harsh weather tolerance.
- Can be used for internal & external.
- Abrasive resistance from high traffic.
PU Waterproof is designed for waterproofing to
- Concrete roof deck
- Flat roof & Terraces, balconies, bathrooms & Toilets
- Kitchen
- swimming pool and basement
- Residential wall
- Building foundation
- Planter boxes & Gardens.
- Water tanks.
Coverage - 450-500 Sqft (2 coats)
Colors : Black, Dark grey, Light grey
📦 Available in: 2K,5Kg,20 Kg pack
📍 For more info or to place an order
Contact 0713409952 us today!
📍 No12, Grandpass road, Colombo 14
🕒 Open: 9.00 am-5.00 pm (Monday-Saturday).

17/08/2026

Build Stronger, Last Longer: Premium Grouting & Floor Hardening Solutions

When it comes to high-load structural support and heavy-duty industrial floors, compromise isn't an option. Whether you are anchoring heavy machinery or reinforcing high-traffic concrete floors, Sika delivers the ultimate strength and durability your project demands.

SikaGrout®-214 LK Grout
Sika floor®-5 Chapdur (LK) FLoor hardner
Fosroc Conbextra GP Grout

Protect your investment with industry-grade construction solutions.

📞 Call/WhatsApp: +94 713409952
Location: No12, Grandpass road, Colombo 14

🌐 Website: www.onyxengineerings.com

04/08/2026

STRONG BONDS THAT LAST – TRUST OUR ADHESIVE SEALANT!

Seal. Bond. Secure. One Product, Multiple Solutions.
Introducing our high-performance Construction Adhesive Sealant – engineered for professionals and DIYers alike.

✅ Unbreakable Bond Strength
✅ Waterproof & Weather-Resistant
✅ Flexible & Crack-Free Finish
✅ Multi-Surface Adhesion (Concrete, Wood, Metal,
Glass & More)
✅ Interior & Exterior Use

Whether you're sealing joints, bonding panels, or fixing fixtures – our adhesive sealant delivers industrial-grade hold with precision and reliability.

🛠 No sag. No shrink. No compromise.

Build with confidence. Seal with strength.
👉 Available now at all leading hardware stores

📍 No12, Grandpass road, Colombo 10 |

📲 Call/WhatsApp: 0713409952
📩 [email protected]/[email protected]

26/07/2026

ONYX Engineering & Contracting Pvt Ltd supplying premium quality of self adhesive acrylic mirror sheet size (4'x8')for best price.

Note: Nocut pieces available and we will not do cutting for customs size requirements , half size of sheet can be customize.

Call us 0713409952
Shop: No 12, grandpass road, colombo 14.
Web:www.onyxengineerings.com

product name:
Self adhesive Acrylic mirror sheet
Material:
100% Virgin PMMA
Color:
Gold, silver and black.
Standard Size:
Standard Sizes : 48" x 96" (4'x8')
Thickness:
1.25mm
Density:
1.2g/cm3

25/07/2026

STRONG BONDS THAT LAST – TRUST OUR ADHESIVE STRUCTURAL JOINT SEALANT!

Seal. Bond. Secure. One Product, Multiple Solutions.
Introducing our high-performance Construction Adhesive Sealant – engineered for professionals and DIYers alike.

✅ Unbreakable Bond Strength
✅ Waterproof & Weather-Resistant
✅ Flexible & Crack-Free Finish
✅ Multi-Surface Adhesion (Concrete, Wood, Metal,
Glass & More)
✅ Interior & Exterior Use

Whether you're sealing joints, bonding panels, or fixing fixtures – our adhesive sealant delivers industrial-grade hold with precision and reliability.

🛠 No sag. No shrink. No compromise.

Build with confidence. Seal with strength.
👉 Available now at all leading hardware stores

📍 No12, Grandpass road, Colombo 14

📲 Call/WhatsApp: 0713409952
📩 [email protected]/[email protected]

Address

No12, Grandpass Road, Colombo 14
Colombo

Telephone

+94713409952

Website

https://onyxengineerings.com/

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