The Complete Guide to SIP Panels UK 2025: Everything You Need to Know
The Complete Guide to SIP Panels UK 2025: Everything You Need to Know
From technical specifications to installation tips, this comprehensive guide covers everything about structural insulated panels in the UK.
Table of Contents
- What Are SIP Panels?
- How SIP Panels Work: The Science Behind Them
- Types of SIP Panels Available in the UK
- 10 Key Benefits of SIP Panels
- SIP Panel Applications & Use Cases
- U-Values & UK Building Regulations
- SIP Panel Installation Process
- SIP Panel Costs: Complete Breakdown
- How to Choose the Right SIP Panel
- Frequently Asked Questions
Structural Insulated Panels (SIPs) have revolutionized modern construction in the UK, offering superior thermal performance, faster build times, and exceptional energy efficiency. Whether you're planning a garden room, residential extension, or complete new build, understanding SIP panels is essential for making informed decisions.
This comprehensive guide covers everything you need to know about SIP panels in 2025, from technical specifications and U-values to real-world applications and cost analysis. By the end, you'll understand exactly which SIP panel suits your project and why they're becoming the preferred choice for builders across the UK.
1. What Are SIP Panels?
Structural Insulated Panels (SIPs) are high-performance building panels used in walls, roofs, and floors. They consist of an insulating foam core sandwiched between two structural facings, typically Oriented Strand Board (OSB).
The Anatomy of a SIP Panel
Standard SIP Panel Construction:
- Outer OSB Facing: 11mm or 18mm Sterling OSB3 (structural grade)
- Insulation Core: Celotex PIR (Polyisocyanurate) insulation - 50mm to 200mm thick
- Inner OSB Facing: 11mm or 18mm Sterling OSB3
- Adhesive: High-strength structural adhesive bonding all layers
This sandwich construction creates a single, solid panel that provides both structural support and exceptional thermal insulation in one prefabricated unit.
Why SIPs Are Different from Traditional Construction
Unlike traditional timber frame construction where insulation is installed separately, SIP panels combine structure and insulation in a single component. This integrated approach delivers:
- No thermal bridging: Continuous insulation with no gaps or cold spots
- Faster installation: Large panels installed in hours, not days
- Superior airtightness: Fewer joints mean better thermal performance
- Precision manufacturing: Factory-cut panels ensure perfect fit
- Immediate structural strength: No need to wait for frames to be erected first
Want to calculate U-values for your specific project?
Try Our Free U-Value Calculator →2. How SIP Panels Work: The Science Behind Them
Understanding how SIP panels work helps you appreciate why they outperform traditional construction methods.
Thermal Performance Explained
SIP panels excel at preventing heat transfer through three key mechanisms:
🔥 Conductive Resistance
Celotex PIR foam has one of the lowest thermal conductivity values (λ = 0.022 W/mK), meaning heat struggles to pass through it.
💨 Convective Barrier
Closed-cell foam structure prevents air movement within the panel, eliminating convective heat loss.
🌡️ Airtight Construction
Minimal joints and tongue-and-groove connections create exceptional airtightness (≤3 m³/h/m² @50Pa).
Structural Performance
SIP panels aren't just about insulation—they're structural components that can:
- Support roof loads: Snow, wind, and dead loads distributed across the panel
- Resist racking: OSB facings provide excellent shear strength
- Span longer distances: Thicker panels can span up to 5 meters without intermediate support
- Replace traditional framing: In many applications, SIPs eliminate the need for studs entirely
💡 Technical Insight: The OSB-PIR-OSB sandwich creates what engineers call a "stressed skin panel." The OSB facings resist bending and compression forces, while the rigid foam core prevents the facings from buckling. This composite action makes the panel far stronger than the sum of its parts.
3. Types of SIP Panels Available in the UK
SIP panels come in various thicknesses to suit different applications and Building Regulations requirements. Here's a complete breakdown of what's available:
Standard SIP Panel Range
72mm SIP Panel (50mm Celotex GA4000)
Core: 50mm Celotex GA4000
OSB: 2 × 11mm Sterling OSB
• Sheds & stores
• Light outbuildings
• Non-habitable structures
Key Point: Budget-friendly option for buildings that don't require Building Regulations compliance. Excellent for garden storage and workshops.
View 72mm Panel Specifications →97mm SIP Panel (75mm Celotex GA4000)
Core: 75mm Celotex GA4000
OSB: 2 × 11mm Sterling OSB
• Garden rooms
• Studios & offices
• Small outbuildings
Key Point: Popular choice for garden rooms. Good thermal performance at competitive pricing. Close to Building Regs requirements for certain applications.
View 97mm Panel Specifications →122mm SIP Panel (100mm Celotex GA4000)
Core: 100mm Celotex GA4000
OSB: 2 × 11mm Sterling OSB
• Garden rooms
• Residential extensions
• New builds (walls)
Key Point: Meets UK Building Regulations Part L for walls (≤0.18 W/m²K with additional measures). The goldilocks choice—not too thin, not too thick. Perfect for most habitable structures.
View 122mm Panel Specifications →142mm SIP Panel (120mm Celotex XR4000)
Core: 120mm Celotex XR4000
OSB: 2 × 11mm Sterling OSB
• High-performance builds
• Commercial projects
• Energy-efficient homes
Key Point: Exceeds Building Regulations. Ideal for clients prioritizing energy efficiency and lower heating bills. Uses premium XR4000 insulation.
View 142mm Panel Specifications →172mm SIP Panel (150mm Celotex XR4000)
Core: 150mm Celotex XR4000
OSB: 2 × 11mm Sterling OSB
• Passive house standards
• Ultra-low energy builds
• Cold climate applications
Key Point: Maximum thermal performance. Significantly exceeds Building Regulations. Ideal for net-zero and passive house projects.
View 172mm Panel Specifications →Not sure which panel thickness you need?
Get Expert Advice →4. 10 Key Benefits of SIP Panels
Why are SIP panels becoming the preferred choice for modern construction? Here are the key advantages:
1️⃣ Superior Thermal Performance
SIP panels achieve U-values as low as 0.144 W/m²K—far exceeding UK Building Regulations. Continuous insulation with no thermal bridging means lower heating bills and year-round comfort.
2️⃣ Faster Build Times
What takes weeks with traditional construction can be done in days with SIPs. Large panels cover significant areas quickly. A typical garden room can be weathertight in just 1-2 days.
3️⃣ Exceptional Airtightness
Achieve airtightness levels of ≤3 m³/h/m² @50Pa—far better than traditional construction (typically 8-10). Better airtightness = lower heat loss = lower energy bills.
4️⃣ Cost-Effective
While material costs may be higher, reduced labour costs (faster installation) and lower heating bills make SIPs cost-competitive. Total project costs often match or beat traditional builds.
5️⃣ Weather-Independent Construction
SIP panels can be installed in almost any weather. No waiting for concrete to cure or timber to dry. Factory-made panels arrive on site ready to install immediately.
6️⃣ Precision Manufacturing
CNC-cut panels ensure perfect dimensions every time. No on-site cutting means less waste, faster assembly, and guaranteed fit. Openings for windows and doors pre-cut to exact specifications.
7️⃣ Reduced Waste
Factory cutting means offcuts are recycled, not sent to landfill. On-site waste reduced by up to 60% compared to traditional timber frame construction.
8️⃣ Structural Strength
OSB facings and rigid foam core create a stressed-skin panel that's incredibly strong. Can support significant roof loads and resist high wind pressures.
9️⃣ Sound Insulation
Dense OSB facings combined with rigid foam provide excellent acoustic insulation. Ideal for garden offices, music studios, or anywhere noise reduction is important.
🔟 Versatile Applications
Use SIPs for walls, roofs, and floors. Suitable for residential, commercial, and agricultural buildings. From garden sheds to multi-storey houses.
5. SIP Panel Applications & Use Cases
SIP panels are incredibly versatile. Here's where they're most commonly used in the UK:
🏡 Garden Rooms & Outbuildings
Why SIPs excel here: Fast installation, excellent insulation for year-round use, and no need for heavy foundations. A garden room can be weathertight in 1-2 days.
Recommended panels: 97mm or 122mm for habitable garden rooms, 72mm for storage sheds.
Real-world example: A 4m × 3m garden office with 122mm SIP panels achieves U-values of 0.209 W/m²K, stays warm in winter with minimal heating, and provides a quiet workspace isolated from household noise.
🏠 Residential Extensions
Why SIPs excel here: Faster than brick, better insulation than traditional timber frame, and minimal disruption to existing home. Extensions can be completed and habitable within weeks.
Recommended panels: 122mm minimum to meet Building Regulations Part L. 142mm or 172mm for future-proof thermal performance.
Building Regs note: Extensions must comply with Part L. Use our U-Value Calculator to ensure compliance before purchasing.
🏗️ New Build Homes
Why SIPs excel here: Entire houses can be weathertight in days, not months. Exceptional airtightness and thermal performance easily exceed Building Regulations, often achieving SAP ratings above 95.
Recommended panels: 142mm or 172mm for walls, 172mm+ for roofs. Passive house projects often use 172mm+ throughout.
Design flexibility: SIPs work with any architectural style. Modern, traditional, or contemporary designs all achievable with SIP construction.
🏚️ Pitched & Flat Roofs
Why SIPs excel here: Self-supporting spans eliminate need for internal roof trusses, creating clear open spaces below. Can support heavy roof finishes (tiles, slates, green roofs).
Recommended panels: 142mm minimum for pitched roofs (U ≤ 0.16 W/m²K required). 172mm for flat roofs or warm deck construction.
Installation advantage: Roof panels can be installed and made weathertight in a single day, protecting the rest of the build from rain immediately.
🏢 Commercial Buildings
Why SIPs excel here: Rapid construction reduces commercial loan interest costs. Excellent thermal performance lowers operational costs long-term. Suitable for offices, retail units, farm buildings.
Recommended panels: 122mm-172mm depending on heating requirements and budget.
ROI benefit: Lower heating bills often pay back the initial investment within 5-7 years. After that, it's pure savings.
♻️ Renovation & Retrofit
Why SIPs excel here: Can over-clad existing walls to dramatically improve thermal performance of older buildings. Instant upgrade from poor insulation to modern standards.
Recommended approach: Use thinner panels (72mm-97mm) for external cladding to avoid excessive wall thickness.
Energy savings: Retrofitting a 1960s house with poor insulation (U ~1.5) to modern standards (U ~0.20) can reduce heating bills by 70%+.
Ready to start your SIP panel project?
Browse Our SIP Panel Range →6. U-Values & UK Building Regulations 2025
Understanding U-values is crucial for compliance with UK Building Regulations Part L. Here's everything you need to know:
What is a U-Value?
A U-value measures how well a building element transmits heat. It's expressed in W/m²K (Watts per square meter per Kelvin).
Simple rule: Lower U-values = Better insulation = Lower heating bills
A wall with U-value of 0.15 W/m²K loses half as much heat as a wall with U-value of 0.30 W/m²K.
UK Building Regulations Part L 2021 Requirements
| Building Element | Maximum U-Value (W/m²K) | Recommended SIP Panel |
|---|---|---|
| Walls | ≤ 0.18 | 122mm+ (with additional measures) |
| Pitched Roofs (insulation at ceiling) | ≤ 0.16 | 142mm or 172mm |
| Flat Roofs / Pitched Roofs (insulation at rafter) | ≤ 0.18 | 142mm or 172mm |
| Floors | ≤ 0.18 | 122mm or 142mm |
⚠️ Important: These are maximum U-values. Your actual design may need lower U-values to compensate for other elements (windows, doors, thermal bridges). Always consult with a building control officer or energy assessor for your specific project.
SIP Panel U-Values: Complete Comparison
| Panel Thickness | Insulation Core | U-Value (W/m²K) | Complies With |
|---|---|---|---|
| 72mm | 50mm GA4000 | 0.396 | ❌ Does not comply |
| 97mm | 75mm GA4000 | 0.264 | ❌ Does not comply (close) |
| 122mm | 100mm GA4000 | 0.209 | ⚠️ Walls/Roofs (with additional measures)* |
| 142mm | 120mm XR4000 | 0.179 | ✅ Walls & Roofs |
| 172mm | 150mm XR4000 | 0.144 | ✅ All applications (exceeds requirements) |
* Additional measures may include: enhanced window/door specifications, reduced thermal bridging details, or compensation via other building elements. Consult an energy assessor for confirmation.
Calculate exact U-values for your project configuration:
Use Our Free U-Value Calculator →Beyond Building Regulations: Future-Proofing Your Build
Building Regulations are minimum standards. Forward-thinking builders often exceed these for several reasons:
- Rising energy costs: Better insulation = lower bills for decades to come
- Stricter future regulations: Building Regs tighten every few years—build to tomorrow's standards today
- Higher property value: Energy-efficient homes command premium prices
- Environmental responsibility: Lower carbon footprint and reduced energy consumption
- Enhanced comfort: Better insulation = more stable temperatures year-round
💡 Expert Recommendation: If your budget allows, choose 142mm or 172mm panels even if Building Regulations don't require it. The additional upfront cost is minimal (£10-20/m² more) but the long-term savings and comfort are substantial.
7. SIP Panel Installation Process
Understanding how SIP panels are installed helps you plan your project timeline and budget. Here's the step-by-step process:
Step 1: Foundation & Base Preparation
Before SIP panels arrive:
- Level concrete slab, strip foundation, or suspended floor completed
- Sole plate (treated timber) fixed to foundation to receive SIP panels
- DPC (damp proof course) installed between foundation and sole plate
- First-fix services (underground drainage, water, electric) completed if required
Step 2: Panel Delivery & Storage
SIP panels arrive on site:
- Pre-cut panels: All openings (windows, doors) already cut to exact dimensions
- Numbered panels: Each panel labeled to match installation drawings
- Storage: Must be kept dry and level until installation (cover with tarpaulin if rain expected)
- Handling: Large panels require 2-3 people or lifting equipment
Step 3: Wall Panel Installation
Process:
- First panel positioned on sole plate and secured with screws (typically 150mm centers)
- PIR spline inserted into groove of first panel
- Second panel positioned, tongue slides over spline to create thermal joint
- Panels screwed together through OSB facings
- Repeat until all wall panels erected
- Top plate fixed to top edge of panels to lock everything together
Speed: Experienced installers can erect wall panels for a typical garden room (4m × 3m) in 2-4 hours.
Step 4: Roof Panel Installation
Roof panels installed similarly to walls:
- Ridge beam installed first (if required for design)
- First roof panel lifted into position and secured to wall top plate
- Subsequent panels connected using PIR splines
- Breathing membrane applied over panels
- Counterbattens and roof finish (tiles, slates, or membrane) installed
Speed: Roof can be made weathertight in a single day for most residential projects.
Step 5: Airtightness & Services
Ensuring exceptional airtightness:
- Panel joints: Expanding foam or airtightness tape at all panel joints
- Service penetrations: Electrical and plumbing penetrations sealed with appropriate grommets
- Window/door openings: Airtightness tape around all openings before window installation
- Testing: Blower door test recommended to verify airtightness (target ≤3 m³/h/m² @50Pa)
Step 6: External & Internal Finishes
External options:
- Render (lime or acrylic) on mesh fixed to OSB
- Timber cladding on battens
- Brick slip systems
- Metal or composite cladding
Internal options:
- Plasterboard fixed directly to OSB, then skimmed
- Timber paneling for feature walls
- OSB can be left exposed and painted/varnished for industrial aesthetic
Typical Installation Timeline
| Project Type | Foundation to Weathertight | Total Build Time |
|---|---|---|
| Garden Room (3m × 3m) | 1-2 days | 2-3 weeks (including finishes) |
| Extension (4m × 4m) | 2-3 days | 4-6 weeks (including finishes) |
| Small House (100m²) | 1-2 weeks | 3-4 months (including all trades) |
| Large House (200m²) | 2-3 weeks | 5-7 months (including all trades) |
💡 Speed Advantage: Compare this to traditional masonry construction where a similar house would take 9-12 months. SIP construction is typically 30-40% faster.
8. SIP Panel Costs: Complete Breakdown
Understanding the true cost of SIP panels requires looking beyond just material prices. Here's a comprehensive cost analysis:
Material Costs (2025 Prices)
| Panel Type | Price per m² (from) | Best For |
|---|---|---|
| 72mm SIP Panel | £88.90/m² | Budget sheds, stores |
| 97mm SIP Panel | £88.90/m² | Garden rooms (basic) |
| 122mm SIP Panel | £98.70/m² | Most popular—extensions, garden rooms |
| 142mm SIP Panel | £115.50/m² | High-performance builds |
| 172mm SIP Panel | £133.40/m² | Passive house, ultra-low energy |
Prices exclude VAT. Bulk discounts available. PIR splines, fixings, and delivery charged separately.
Total Project Costs: Real-World Example
Here's a breakdown for a 4m × 3m garden room (12m² internal floor area) using 122mm SIP panels:
| SIP wall panels (30m²): | £2,961 |
| SIP roof panels (14m²): | £1,382 |
| PIR splines & fixings: | £450 |
| Windows & door: | £1,200 |
| Roof finish (EPDM membrane): | £600 |
| External cladding (timber): | £1,500 |
| Internal plasterboard & skim: | £800 |
| Electrics & heating: | £1,500 |
| Labour (DIY with help): | £0 - £3,000 |
| TOTAL: | £10,393 - £13,393 |
Cost per m²: £866 - £1,116/m² (including all finishes and services)
SIPs vs Traditional Construction: Cost Comparison
| Cost Factor | Timber Frame + Insulation | SIP Panels | Winner |
|---|---|---|---|
| Material Cost | £60-80/m² | £89-134/m² | ✅ Timber Frame |
| Labour Cost | Higher (3-5 days) | Lower (1-2 days) | ✅ SIPs |
| Total Build Time | 6-8 weeks | 3-4 weeks | ✅ SIPs (50% faster) |
| Thermal Performance | U ~0.25 (typical) | U ~0.18-0.21 | ✅ SIPs (15-30% better) |
| Airtightness | 8-10 m³/h/m² | ≤3 m³/h/m² | ✅ SIPs (3x better) |
| Total Project Cost | £900-1,100/m² | £866-1,116/m² | ≈ Similar |
| Long-term Heating Costs | £800-1,000/year | £500-700/year | ✅ SIPs (30-40% lower) |
💰 The Bottom Line:
While SIP materials cost more upfront, faster installation and significantly lower heating costs make them cost-competitive or even cheaper over the building's lifetime. For a typical garden room, the energy savings alone pay back the extra material cost within 5-7 years.
9. How to Choose the Right SIP Panel
Not sure which SIP panel thickness to choose? Use this decision framework:
Decision Tree
Start here: What type of building are you constructing?
📦 Non-Habitable (Shed, Workshop, Storage)
→ 72mm panel (50mm Celotex) - Budget-friendly, no Building Regs required
🏡 Garden Room / Studio (Year-Round Use, No Building Regs)
→ 97mm panel (75mm Celotex) - Good insulation, comfortable temperatures, affordable
🏠 Extension / New Build (Must Meet Building Regulations)
→ 122mm panel (100mm Celotex) - Meets Part L with additional measures, most popular choice
→ 142mm panel (120mm Celotex XR4000) - Comfortably exceeds Part L, future-proof choice
⚡ High-Performance / Passive House
→ 172mm panel (150mm Celotex XR4000) - Maximum thermal performance, ultra-low energy bills
Key Questions to Ask
❓ Does it require Building Regulations approval?
YES: Choose 122mm minimum (142mm recommended).
NO: Any panel thickness will work—choose based on budget and comfort requirements.
❓ Will it be heated year-round?
YES: Choose 97mm minimum. Better insulation = lower heating bills.
NO (seasonal use): 72mm or 97mm sufficient.
❓ What's your budget priority?
Upfront cost: Choose thinner panels (72-122mm).
Lifetime cost: Choose thicker panels (142-172mm) for lower running costs.
❓ How long will you keep the building?
5+ years: Invest in better insulation—it pays for itself.
<5 years: Budget panels acceptable if not for resale.
❓ Is space limited?
YES (tight plot): Thinner panels (97-122mm) maximize internal space.
NO: Thicker panels (142-172mm) no issue.
❓ Environmental priority?
High (net-zero goals): Choose 172mm for maximum carbon reduction.
Standard: 122-142mm provides good balance.
Our Top Recommendations by Project Type
Garden Office / Studio (Year-Round Use)
Best choice: 122mm SIP Panel
Why: Excellent insulation keeps you comfortable year-round, low heating costs, competitive pricing. Can upgrade to 142mm if budget allows for even better comfort.
Residential Extension
Best choice: 142mm SIP Panel
Why: Comfortably exceeds Building Regulations, matches or exceeds existing home's thermal performance, future-proof against stricter regulations.
New Build Home
Best choice: 142mm walls + 172mm roof
Why: Roof loses most heat—invest in thicker panels there. Wall panels slightly thinner keeps costs down while exceeding Building Regs throughout.
Workshop / Gym (Occasional Heating)
Best choice: 97mm SIP Panel
Why: Good insulation for when you need it, but not over-spec'd for occasional use. Comfortable when heated without premium pricing.
Still not sure which panel is right for your project?
Contact Our SIP Experts →10. Frequently Asked Questions
Do SIP panels need planning permission?
The construction method (SIPs vs traditional) doesn't affect planning permission requirements. Planning depends on your building's size, location, and use. Many garden rooms under 2.5m height and away from boundaries qualify for Permitted Development (no planning needed). Extensions and new builds typically require planning. Always check with your local planning authority before starting.
How long do SIP panels last?
SIP panels have a design life of 60+ years when properly installed and maintained. The OSB facings are highly durable, and PIR insulation doesn't degrade over time (unlike some other insulation types). Key to longevity: keep panels dry during installation and ensure proper weatherproofing (cladding, render, or breathable membrane).
Can I install SIP panels myself?
Yes, if you're reasonably competent with DIY. SIP panels are designed for straightforward installation—like flat-pack furniture but for buildings. You'll need 2-3 people for lifting large panels, basic power tools (drill, saw), and ability to follow installation drawings. Many self-builders successfully install SIPs with no prior experience. However, for Building Regulations compliance, you may need certification from Building Control—check before starting.
Are SIP panels fireproof?
SIP panels aren't fireproof, but they meet UK fire regulations when properly specified. PIR foam is self-extinguishing (won't support flame spread). For residential applications, plasterboard lining provides required fire resistance (typically 30-60 minutes). Commercial buildings may require additional fire barriers. Always specify fire-rated plasterboard for habitable buildings and follow Building Regulations Approved Document B.
Can I run electrical cables through SIP panels?
Yes. Best practice: run cables in service voids behind plasterboard or within dedicated chases. Avoid cutting deep into the OSB facings as this weakens the structural integrity. Alternatively, use surface-mounted conduit or run cables within the floor/ceiling voids. For switches and sockets, use back boxes designed for SIP installations. Seal all penetrations with appropriate fire-rated foam or grommets to maintain airtightness.
Do SIP panels need ventilation?
Because SIP buildings are highly airtight, mechanical ventilation is essential for habitable spaces. Options include: MVHR (Mechanical Ventilation with Heat Recovery)—ideal for energy efficiency, or continuous background ventilators with extract fans in wet rooms. Without ventilation, condensation and indoor air quality problems will occur. Budget £1,500-3,500 for basic ventilation systems. This is a requirement for Building Regulations compliance anyway.
What's the difference between GA4000 and XR4000 Celotex?
GA4000: General application PIR insulation, available in 50-100mm thicknesses. Thermal conductivity λ = 0.022 W/mK. Used in our 72mm, 97mm, and 122mm panels.
XR4000: Premium range, available in 110-200mm thicknesses. Same thermal performance (λ = 0.022 W/mK) but designed for thicker applications. Used in our 142mm and 172mm panels. Both meet the same insulation standards—the difference is just thickness availability.
Can SIP panels get wet during construction?
OSB is moisture-resistant (not waterproof). Brief exposure to rain won't cause significant damage—OSB will dry out naturally. However, prolonged saturation should be avoided. Best practice: make building weathertight as quickly as possible (install roof panels same day as walls if possible), cover panels with tarpaulin if left overnight, and install breathable membrane/cladding promptly. Once clad and sealed, SIP buildings are extremely weather-resistant.
Do SIP panels provide structural support?
Yes. SIP panels are structural components that can support significant loads. They can eliminate the need for traditional timber framing in many applications. Wall panels support roof loads, and roof panels can span several meters without intermediate supports. However, structural design is still required—panels must be correctly sized and connected for your specific application. For anything beyond simple garden rooms, consult a structural engineer.
What warranty do SIP panels come with?
Our SIP panels are manufactured to the highest standards using premium materials. Celotex insulation carries manufacturer guarantees, and Sterling OSB is certified to EN300 standards. Panel manufacturing defects are covered—contact us for specific warranty terms. Note that installation quality significantly affects performance, so proper installation per our guidelines is essential. We provide full installation manuals and technical support to ensure successful projects.
Ready to Start Your SIP Panel Project?
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📞 Questions? Our technical team is here to help.
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