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75mm Steel-faced PU Roof Sandwich Panels for Steel Buildings

PU roof sandwich panels with 3 ribs or 4 ribs,you can choose as per your project.MOQ is 500 square meters,warmly welcome you to make inquiry.

Quantity:
  • 1000
  • Yumi steel
  • 72104900

1.Sandwich panel roof features:

 Excellent thermal insulation roof material;

 B1&2 fireproof level for choices;

Excellent waterproof performance among all the sandwich panel roof;

Because PU core material is solid,it leads the high strength for panel;

 Yumisteel can offer full set of installation and construction guidance.

 

2.Roof sandwich panels types:

☆ Concealed joint roof panels with 3 ribs:

 75mm thick hidden joint PUR PIR sandwich panel roof price

Effective width

1000 mm

Panel thickness

75 mm

Surface sheets

PPGI/ PPGL/ Aluminum sheets/ Al-Mg-Mn alloy metal sheets/ Stainless steel/ PVC sheet

Steel thickness

0.40 - 0.70 mm

 Aluminum sheets/ Al-Mg-Mn alloy metal sheets

0.70 - 1.20 mm

Stainless steel

0.40 - 0.60 mm

Core material density

40 ~ 42 KG/M³

Regular panel color

White grey, Sea blue, Sliver grey, Dk grey, Iron grey

Other color

As RAL color swatches or customized

Coating type choice

PE/ PVDF/  HDP/ SMP, etc.

Available length

20FT container:  ≤ 5.95m
40FT container: ≤ 11.95m

Joint way

Hidden screw joint

☆ Overlap joint roof panels with 4 ribs:

 75mm thick overlap joint PUR PIR sandwich panel roof price

Effective width

1000 mm

Panel thickness

75 mm

Surface sheets

PPGI/ PPGL/ Aluminum sheets/ Al-Mg-Mn alloy metal sheets/ Stainless steel/ PVC sheet

Steel thickness

0.40 - 0.70 mm

 Aluminum sheets/ Al-Mg-Mn alloy metal sheets

0.70 - 1.20 mm

Stainless steel

0.40 - 0.60 mm

Core material density

40 ~ 42 KG/M³

Regular panel color

White grey, Sea blue, Sliver grey, Dk grey, Iron grey

Other color

As RAL color swatches or customized

Coating type choice

PE/ PVDF/  HDP/ SMP, etc.

Available length

20FT container:  ≤ 5.95m
40FT container: ≤ 11.95m

Joint way

Overlap joint


3.Roof panels core material description:

Insulation core material :

PUR (Polyurethane), PIR (Polyisocyanurate)

Thermal Conductivity :

λPUR = 0.023 W/mK1 & λPIR =0.021 W/mK1

Density :

40 ~ 42 KG/M³


4.Application of sandwich panel for roof:

 Steel factory,warehouse,cold storage room,food industry,etc;

☆ Office,logistic center,etc;

 Lightweight steel villas,storage sheds,etc.

 

5.Metal panel property:

Compressive strength at 10% deformation (kg/cm²)

2.1

Bending strength (kg/cm²)

4

Tensile strength (kg/cm²)

3.7

Adhesive strenth (kg/cm²)- foam to steel

2.9

Water absorption (Volume %)

0.2% at 100%RH

Closed cell content (%)

92 ~ 95%

Vapor permeability at 90% (RH) & 38 (Gms/Hr.m²)

0.12

Fireproof level

PIR: B1; PUR: B2


6.Insulated roof panel packing & loading:

☆ Packing:

→ Sandwich panels will be sealed with PVC film to protect the surface steel sheets from damage;

→ Using our PU sandwich panels packing machine,and packing with nylon to make panels in suitable quantity and bundles;

 03 PU sandwich panels packing

→ After finishing the packing,we will stack them in neat and dry place,also will put sleeper or foam as support,to avoid any water on the groud to break the panels;

 04 metal sandwich panels stacking

 Loading:

→ The delivery time for Yumi steel sandwich panels is depending on seasons and thickness of panels;

→ Each delivery is depending on where to deliver,if it’s for domestic market,it will be transported by truck.If it’s for foreign market,panels will be loaded in containers and delivered;

→ Loading and carrying surfaces in trucks or containers must be clean and dry. No nails or other sharp objects are allowed to be appeared in truck or containers. If any accessories,which is considering as protruding objects,then they have to be properly secured (should be packed with wooden blocks or waste foam), to avoid damage to the panels.


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