1) What is the PU Sandwich Panel from Al Qatami Factory?
It’s a ready-to-install panel made of two layers of pre-painted galvanized steel or aluminum, with a rigid polyurethane foam core in between. It offers excellent thermal insulation, a neat appearance, and fast installation for buildings.
2) Why should I choose sandwich panels over traditional construction?
Because they are lighter, faster to install, reduce energy bills, provide a clean and organized look, and can be relocated or modified easily.
3) What are the main components of a panel?
- Two coated, corrosion-resistant metal sheets.
- Polyurethane foam core with calculated density.
- Tongue-and-groove interlock to prevent leakage.
- Optional sealing materials for joints.
4) What are the main advantages of Al Qatami panels?
High thermal insulation, lightweight, neat design, lower operating costs, easy maintenance, and customizable thicknesses and colors.
5) How does it reduce energy consumption?
By limiting heat transfer, it reduces the load on cooling and air-conditioning systems, cutting electricity usage significantly.
6) Does it provide sound insulation as well?
It reduces normal noise levels in warehouses and production facilities, but it’s not a substitute for specialized acoustic systems.
7) Can it withstand extreme heat?
Yes, it’s designed for hot climates. Choosing lighter colors enhances heat reflection and improves performance.
8) How about humidity and condensation?
The closed-cell foam reduces water absorption. With proper sealing during installation, condensation inside cold rooms is minimized.
9) What is the typical density used?
Usually 38–42 kg/m³, balancing strength with insulation.
10) What is the thermal conductivity (a key insulation measure)?
Around 0.022–0.024 W/m·K. (The lower the value, the stronger the insulation). Confirmed in the official datasheet.
11) What insulation thicknesses are available?
From 50 mm to 150 mm, depending on the project needs (cold storage rooms require thicker panels).
12) What about the metal sheet thickness?
Ranges from 0.3 mm to 0.9 mm, depending on structural requirements (roof or wall use).
13) What panel lengths are available?
Made-to-order from 1 meter up to 16 meters. Longer lengths require early coordination with the factory.
14) What is the actual width after installation?
Approximately 1 meter (minor variations depending on the mold).
15) Is PVDF coating available?
Yes, for projects requiring long-term color stability and UV resistance.
16) What’s the difference between polyurethane and rock wool panels?
The foam is treated with fire-retardant additives and meets standard classifications. For higher fire ratings, special options can be provided.
18) Where can sandwich panels be used?
Cold stores, food factories, warehouses, hangars, roofs and walls, control rooms, internal partitions, prefab buildings, clinics, labs, and architectural facades.
19) When do I need 100 mm or thicker panels?
For deep-freeze facilities, large temperature differences, or maximum energy savings.
20) Are they suitable for external facades?
Yes, with the right coating (Polyester or PVDF) and color selection to match architectural designs.
21) How are they fixed on walls?
Through tight interlocking, special screws on steel structures, and sealed joints to prevent leakage.
22) How are they fixed on roofs?
Mounted on steel purlins using screws with insulation washers. Decorative caps can be added for a neat finish.
23) What common mistakes should be avoided?
Poorly sealed joints, leaving edges exposed, using unapproved screws, or improper cutting without sealing.
24) Can I add openings later (for AC ducts, utilities, etc.)?
Yes, but it must be done carefully, sealing exposed edges immediately to maintain insulation.
25) How is condensation prevented in cold rooms?
Proper installation, adding vapor barriers when required, gradual system startup, and sealing screws and openings with insulation materials.
26) What about thermal expansion?
Considered during design, especially for large areas, by using appropriate panel lengths and expansion joints.
27) What maintenance is required?
Gentle cleaning, annual inspection of screws and joints, and immediate touch-up of any coating scratches.
28) How should panels be stored before installation?
On a flat, dry surface, covered but ventilated, away from prolonged direct sunlight.
29) What about transportation?
Panels are packed on pallets, edges protected, lifted safely (not dragged), and delivered close to the installation date.
30) What quality tests are performed?
Density, adhesion, bending resistance, thermal conductivity, water absorption, and fire testing (when requested).
31) Are certifications available?
Yes, quality and performance reports are provided upon request to consultants or contractors.
32) Can the panels resist strong winds?
Yes, with proper sheet thickness, support spacing, and approved fixing systems.
33) How about exposure to chemicals or fumes?
Standard coatings suit general use. For chemical environments, special coatings or protection may be required.
34) Do lighter colors really make a difference?
Yes, they reflect sunlight, lower surface temperature, and improve cooling efficiency.
35) What factors affect the price?
Insulation thickness, metal thickness, coating type, color (standard or special), order volume, and additional fire or test requirements.
36) Is there a minimum order quantity?
Standard sizes and colors are flexible. Special thicknesses or colors may require a minimum order.
37) How do I get an accurate quotation?
Provide: usage type (roof/wall/cold store), area (m²), required thickness, color, project location, and any fire or coating requirements.
38) What’s the delivery time?
Standard orders are usually ready within a week. Special requests may need extra production time.
39) Is technical support available before purchase?
Yes, our team offers technical consultation and datasheets to help you decide.
40) Can panels be integrated with doors or additional insulation?
Yes, customized frames and adjustments are provided to ensure proper sealing.
41) Are they suitable for deep-freeze rooms?
Yes, with thicker panels (100–120 mm) and carefully sealed joints.
42) What is the maximum temperature difference they can handle?
Up to around -20°C inside with hot external conditions, provided proper design and installation.
43) How can thermal bridging be avoided?
Tight interlocks, sealing all gaps, insulation strips at metal intersections, and proper screw sealing.
44) Can panels be reinforced for heavy loads?
Yes, by increasing sheet thickness, reducing support spans, or adding extra steel elements.
45) What are signs of poor installation?
Air or temperature leakage, condensation at joints, whistling sounds in wind, or loose screws.
Final Notes:
- All technical values (such as density, thermal conductivity, or fire rating) should always be verified through the official datasheet issued by the factory.
- Early consultation with our team can save you from costly modifications later on.
