Curtain Wall Det

Expert Curtain Wall Detailing Services in Pakistan – Modern Glass Facades for Commercial Excellence

Introduction: The Curtain Wall Revolution in Pakistan’s Commercial Skyline

Drive through any major Pakistani city today—Lahore’s Gulberg, Karachi’s Shahrah-e-Faisal, or Islamabad’s Blue Area—and you will notice a dramatic shift. Old concrete buildings are being replaced by shimmering glass towers. This is the curtain wall revolution. But here is the problem many developers face: without proper Curtain Wall Detailing services in Pakistan, these glass facades leak, sweat condensation, and even become dangerous during high winds. A poorly detailed curtain wall looks impressive for six months. Then the problems start.

ACCO has been at the forefront of modern facade engineering for over 25 years. We provide specialized curtain wall detailing services in Pakistan for commercial banks (including multiple Meezan Bank branches), corporate headquarters, retail plazas, and hospitals. Our team of architectural engineers understands exactly how to detail curtain wall systems for Pakistani conditions: searing summer heat, monsoon downpours, dust storms, and even seismic movements. Whether you need architectural design services in Pakistan for a new high-rise or curtain wall shop drawings for a renovation, ACCO delivers precision that protects your investment.

What Are Curtain Wall Detailing Services? (Pakistan Context)

A curtain wall is a non-structural outer covering of a building that keeps weather out and lets light in. Unlike traditional load-bearing walls, a curtain wall hangs off the building’s structural frame like a curtain—hence the name. Curtain wall detailing refers to the comprehensive technical drawings, specifications, and installation instructions for these glass and aluminum systems. A proper curtain wall detail includes: mullion and transection profiles, glass panel thickness and type (tempered, laminated, or insulated), thermal breaks, gaskets, weep holes, anchorage to the slab edge, and movement joints.

Why is this so critical for Pakistani projects? Consider a typical summer day in Lahore or Multan: temperatures exceeding 45°C cause aluminum mullions to expand. Without proper thermal break detailing and expansion joints, glass panels can crack or pop out of their frames. During monsoon, improperly detailed weep holes or sealants lead to water infiltration, damaging interior finishes and creating mold. And in Karachi’s coastal environment, salt-laden air corrodes unprotected aluminum and steel connections. ACCO’s curtain wall detailing services in Pakistan address every one of these challenges systematically.

With Pakistan’s commercial real estate booming—especially in DHA, Bahria Town, and new CBDs—curtain walls have become standard for any building aspiring to premium status. Banks, corporate offices, and luxury retail demand floor-to-ceiling glass. But without detailed shop drawings from an experienced firm like ACCO, your curtain wall becomes a liability rather than an asset. Our architectural drafting team produces drawings that fabricators can build from and installers can follow with confidence.

Ahmed Construction Company (ACCO) – Your Curtain Wall Specialist

ACCO is not just a construction company; we are one of Pakistan’s most experienced facade engineering firms. With 25+ years of integrated design and build experience, we have delivered curtain wall systems for clients that demand perfection: Meezan Bank, Bata, PTC, BUITMS, Savour Foods, Alpine, Lake View, and Gerry DNATA. Our offices in Gulberg-III, Lahore, and Karachi serve clients nationwide and internationally (UAE, UK, Saudi Arabia, Canada, USA).

What makes ACCO different is our in-house capability. We do not outsource architectural engineering or structural calculations. Our team includes facade engineers, BIM modelers, and shop drawing specialists who work alongside our structural and MEP engineers. This means your curtain wall detailing is fully coordinated with the building’s primary structure, HVAC systems (which often run through mullions), and electrical conduits. When you choose ACCO for curtain wall detailing services in Pakistan, you choose a partner who thinks about constructability, not just aesthetics.

Our Comprehensive Curtain Wall Detailing Services (Detailed Breakdown)

1. Stick-Built Curtain Wall Detailing

Stick-built systems are assembled on-site piece by piece: mullions first, then transoms, then glass and infill panels. ACCO provides detailed shop drawings showing exact mullion placement, connection to slab edges (using cast-in or post-installed anchors), splice locations, and thermal break installation. This system is common for mid-rise buildings in DHA and Bahria Town.

• Mullion & transom layouts: Vertical and horizontal grid spacing
• Anchor details: Embed plates, expansion anchors, or chemical anchors
• Corner solutions: Butt-glazed, mitered, or capped corners
• Pressure plate & cap details: For captured systems vs. structural silicone

2. Unitized Curtain Wall Detailing

For high-rise buildings where speed and quality control matter, unitized (or modular) curtain walls are the gold standard. ACCO produces fabrication drawings for complete units manufactured off-site and lifted into place. Our detailing includes interlocking mullion connections, compression gaskets, and transportation bracing. Unitized systems are ideal for Karachi’s tall commercial towers where on-site assembly is impractical.

3. Structural Silicone Glazed (SSG) Curtain Walls

SSG systems create a seamless, all-glass appearance by bonding glass directly to the aluminum frame using structural silicone. This is the choice for premium bank branches and corporate headquarters. ACCO’s detailing includes silicone joint dimensions, adhesion testing requirements, and backer rod specifications. We also detail UV-resistant sealants that perform under Pakistan’s intense sunlight.

4. Point-Fixed (Spider) Glass Curtain Walls

For dramatic entrance lobbies and atriums, point-fixed glass systems use stainless steel spiders to hold glass panels with minimal visible framing. ACCO provides detailed shop drawings for glass fittings, spherical bearings, and tension rod assemblies. We calculate loads for each connection point and coordinate with structural steel.

5. Curtain Wall Integration with Louvers & Vents

Natural ventilation and mechanical air intake require louver and vent openings in the curtain wall. ACCO’s detailing includes weeps, bird screens, flashing, and coordination with HVAC engineers. We ensure that louver openings do not compromise the curtain wall’s water-tightness or structural integrity.

6. Thermal Performance & Condensation Analysis

Condensation on glass is a common problem in Pakistani winters, especially in northern areas. ACCO performs thermal break analysis and specifies insulated glass units (IGUs) with low-E coatings. Our detailed drawings show where to place thermal breaks in mullions and how to prevent thermal bridging at slab edges.

7. Seismic Movement & Expansion Joint Detailing

Pakistan is a seismically active region. ACCO’s curtain wall detailing includes seismic joints that allow the facade to move independently of the structure during an earthquake. We detail stick-and-glider connections, bellows, and overlapping mullions. This is not optional—it is essential for life safety.

8. BIM Modeling & Clash-Free Shop Drawings

Before fabrication, ACCO builds a complete BIM model of your curtain wall system. We clash-check against structural beams, slab edges, MEP risers, and fire protection systems. You receive a 3D architectural walkthrough that lets you inspect every joint. This service alone prevents thousands of dollars in field rework. Learn more on our BIM Modeling page.

Comparison: Why ACCO for Curtain Wall Detailing Services in Pakistan?

Our Step-by-Step Curtain Wall Detailing Process

1. Feasibility & System Selection: We review your architectural design, building height, location, and budget. We recommend stick-built, unitized, or SSG systems based on project requirements.
2. Structural Coordination & Load Calculation: Our structural engineers calculate wind loads (using Pakistan Building Code or ASCE 7), seismic forces, and dead loads. We coordinate with your building’s primary structure.
3. Thermal & Condensation Analysis: We analyze U-values, condensation risk, and thermal bridging. We specify glass types (clear, low-E, reflective) and aluminum thermal breaks accordingly.
4. Detailed Shop Drawing Production: Our architectural drafting team produces floor-to-floor elevations, wall sections, mullion connection details, anchor location plans, and isometric details. We use AutoCAD and Revit.
5. BIM Modeling & Clash Detection: We build a coordinated 3D model and clash-check against structural, MEP, and fire protection systems. We resolve all conflicts before fabrication.
6. Client Review & 3D Walkthrough: You receive PDF drawings plus a 3D architectural walkthrough video of the curtain wall. We make up to two rounds of revisions based on your input.
7. Fabrication & Material Takeoff: We provide aluminum extrusion cutting lists, glass panel schedules, gasket quantities, anchor counts, and sealant volumes. Fabricators can order with confidence.
8. Site Support & As-Built Documentation: During installation, ACCO provides remote or on-site support. After completion, we deliver as-built curtain wall drawings for your O&M manuals.

Why Clients Across Pakistan (Nationwide) Choose ACCO for Curtain Wall Detailing

From a Meezan Bank branch in Karachi to a corporate office in Lahore’s Gulberg, from a hospital extension in Rawalpindi to a retail plaza in Faisalabad, ACCO has delivered curtain wall detailing services that stand the test of time. We understand the specific challenges of each region: Karachi requires marine-grade coatings and stainless steel hardware; Lahore demands UV-resistant sealants and dust-proof gaskets; Islamabad’s thermal swings call for high-performance thermal breaks; and northern areas need condensation-resistant detailing.

Our client list includes some of Pakistan’s most respected names. When Savour Foods, Alpine, Lake View, and Gerry DNATA needed reliable facade engineering, they chose ACCO. We have worked extensively in DHA, Bahria Town, Wapda Town, Lake City, Model Town, and Askari Housing. With over 500 projects completed, there is no curtain wall challenge—from simple storefront systems to complex unitized high-rise facades—that ACCO has not solved.

ACCO by the Numbers: Curtain Wall Excellence in Pakistan

• 25+ years of construction and facade detailing experience
• 500+ projects completed, including over 80 with full curtain wall systems
• 30+ bank branches with ACCO-detailed curtain walls (including Meezan Bank)
• 2 offices (Lahore, Karachi) serving all of Pakistan plus 5 countries internationally
• 10+ facade-specific engineers and BIM specialists on staff
• Zero water infiltration complaints on our detailed curtain walls in the last 7 years
• 15-25% energy cost reduction achieved on buildings using our thermally-optimized curtain wall details

Mid-Page Call to Action – Elevate Your Commercial Building with ACCO

Your curtain wall is the face of your commercial investment. Do not trust it to underqualified drafters or contractors who treat glass facades as an afterthought. ACCO’s Curtain Wall Detailing services in Pakistan combine engineering rigor with local expertise. Whether you are developing a 20-story tower in Karachi or a flagship bank branch in Lahore, we deliver shop drawings that work. Call +92 322 800 0190 or email info@acco.com.pk to schedule a consultation. Visit our Contact Us page to upload your architectural plans for a fast, transparent quote.

Frequently Asked Questions (FAQ) – Curtain Wall Detailing & Architectural Services

1. What is architectural engineering, and how does it relate to curtain walls?

Architectural engineering integrates building systems with architectural design. For curtain walls, architectural engineers ensure the glass facade performs structurally (wind, seismic), thermally (insulation, condensation), and environmentally (water penetration, air leakage). ACCO’s architectural engineering team produces curtain walls that are both beautiful and high-performance.

2. How do I get a floor plan designed for my commercial building before curtain wall detailing?

Start with a complete home floor plan design or commercial building layout from ACCO. We design the interior spaces, core, and structural grid first. Then our facade specialists develop curtain wall detailing that integrates with your floor plan’s floor-to-floor heights, column spacing, and entrance locations. Explore our Home Floor Plan Design page to begin, or contact us for commercial layouts.

3. What is the difference between architectural design and structural engineering for curtain walls?

Architectural design defines the curtain wall’s visual appearance: glass color, mullion spacing, reflection, and overall aesthetic. Structural engineering determines how the curtain wall stays attached and performs under loads: anchor sizing, wind load calculations, seismic movement allowances, and glass thickness. ACCO provides both disciplines, ensuring a curtain wall that is stunning and safe.

4. Do you provide 3D walkthroughs of curtain wall systems before construction?

Absolutely. ACCO creates photorealistic 3D architectural walkthrough videos and interactive BIM models of your curtain wall. You can inspect every joint, see how light plays on the glass at different times of day, and spot potential visual issues before steel is cut. This is included for all major curtain wall projects.

5. Can ACCO design curtain walls for commercial plazas and hospitals?

Yes. ACCO has extensive experience with both sectors. For commercial plazas (like retail centers and bank branches), we focus on brand visibility, signage integration, and cost-effective systems. For hospitals, we pay special attention to infection control (smooth, cleanable surfaces), impact resistance, and patient privacy (fritted or tinted glass). View our Our Projects page for examples.

6. What is the difference between stick-built and unitized curtain walls?

Stick-built curtain walls are assembled piece-by-piece on-site. They are more common for low to mid-rise buildings and allow more field adjustment. Unitized curtain walls are prefabricated in factory modules and lifted into place. They are faster to install and have better quality control, ideal for high-rises. ACCO details both systems and will recommend the best option for your project.

7. How much do curtain wall detailing services cost in Pakistan?

Pricing depends on building height, system complexity, facade area, and whether you need BIM modeling. For a typical 5-10 story commercial building, curtain wall detailing ranges from PKR 200,000 to 800,000. For high-rise unitized systems, costs are higher due to engineering requirements. Contact ACCO for a custom quote—we provide detailed proposals with no hidden fees.

8. Do your curtain wall details comply with Pakistan Building Code and international standards?

Yes. ACCO’s curtain wall detailing follows the Pakistan Building Code (where applicable) and international standards including AAMA (for curtain wall performance), ASTM (for material testing), and ASCE 7 (for wind and seismic loads). We can also provide structural calculations sealed by a PEC-registered engineer. For reference, you can consult the Pakistan Engineering Council and PCATP for professional standards.

9. Can you provide curtain wall shop drawings for a building already under construction?

Yes. ACCO frequently handles rush projects where construction began without proper facade details. We conduct site measurements, assess existing conditions, and produce accurate shop drawings that can be implemented immediately. We also provide remediation detailing if the installed system is already showing problems. Contact us urgently if you are in this situation—we can often produce drawings within 2 weeks.

10. Do you offer BIM modeling for curtain wall coordination with MEP services?

Absolutely. ACCO’s BIM Modeling service is essential for complex curtain walls. We model every mullion, anchor, and glass panel, then clash-check against HVAC ducts, electrical conduits, plumbing pipes, and firefighting systems. The result is zero on-site conflicts and significantly faster installation. This is especially valuable for high-rise towers where coordination is critical.

Explore More of ACCO’s Facade & Engineering Capabilities

Curtain wall detailing is one of ACCO’s specialized services, but our expertise extends far beyond. We provide complete architectural design, structural engineering, MEP, firefighting, pre-engineered buildings, and general construction. Whether you need a full-service partner from concept to completion or specialized curtain wall shop drawings, ACCO delivers. Review our portfolio on Our Projects to see real examples of our curtain wall work for banks, corporate offices, and hospitals. For more on our 3D visualization services, visit our Architectural 3D Modeling page.

Final Call to Action – Get Your Curtain Wall Detailing Quote Today

Do not risk your commercial investment with inadequate curtain wall detailing. Choose ACCO’s Curtain Wall Detailing services in Pakistan and get facades that perform beautifully for decades. Our team is ready to discuss your project—whether it is a single-story bank branch, a 10-story corporate building, or a 30-story high-rise. Contact us:

Phone: +92 322 800 0190 | +923 111 749 849
Email: info@acco.com.pk
Lahore Office: Office 2, 3rd Floor, Bigcity Plaza, Gulberg-III
Karachi Office: By appointment
Hours: Monday-Saturday, 9:00 AM – 6:30 PM

Ready to proceed? Send your architectural drawings and project brief via our Contact Us page. We will review and provide a detailed proposal with pricing and timeline within 48 hours. Let ACCO help you create Pakistan’s next iconic glass facade.

Precision Detailing for Modern Facades & Interior Elements

At Ahmed Construction Company (Acco), we provide professional curtain wall detailing and architectural & millwork shop drawings to ensure smooth execution of construction projects. Our focus is on creating clear, accurate, and practical drawings that help translate design concepts into real structures without confusion.

From glass facades to detailed interior woodwork, every component is carefully illustrated with exact dimensions, materials, and fixing details to support efficient fabrication and installation on-site.

Complete Detailing Solutions for Facades & Interiors

Curtain wall systems require precise coordination between structure, glass, aluminum framing, and sealing systems. Ahmed Construction Company (Acco) ensures that all detailing is aligned with project specifications, structural requirements, and site conditions.

Along with facade detailing, we also develop architectural and millwork shop drawings for cabinetry, wall paneling, counters, wardrobes, and custom interior elements—ensuring every detail is clearly defined before execution.

Our Curtain Wall & Shop Drawing Process

We follow a structured and practical approach to deliver accurate and construction-ready drawings:

• Review of architectural designs, elevations, and project specifications
• Detailed curtain wall sections including glass, aluminum frames, and joints
• Preparation of fabrication drawings for accurate manufacturing
• Millwork shop drawings with dimensions, finishes, and material specifications
• Coordination with structural, MEP, and site execution teams
• Revision and approval process based on consultant and site feedback

This process ensures that all drawings are practical, coordinated, and ready for execution without delays or rework.

Accuracy, Coordination, and Buildability

The success of any construction project depends on the accuracy of its drawings. Ahmed Construction Company (Acco) focuses on delivering shop drawings that are easy to understand, technically correct, and fully coordinated with site conditions.

Our detailing minimizes errors, reduces material wastage, and ensures smooth workflow between design, fabrication, and installation teams.

Why Choose Ahmed Construction Company (Acco)?

With strong experience in construction and detailing, Ahmed Construction Company (Acco) delivers reliable and professional shop drawing services. We understand real site challenges and provide solutions that are practical, efficient, and easy to implement.

Our commitment is to provide high-quality drawings, timely delivery, and complete coordination for successful project execution.

Start Your Curtain Wall & Detailing Project

Get in touch with Ahmed Construction Company (Acco) for accurate curtain wall detailing and architectural & millwork shop drawings. Let us help you ensure smooth execution and high-quality results for your project.