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KRS Sandwich Panels consist of an insulation core with facings of flexible materials and are produced on a continuous laminating line using a two part polyurethane adhesive system. They are used in the building of insulated structures such as coldrooms, classrooms, distribution centers, freezers and abattoirs.
The core materials that can be used are expanded polystyrene (EPS), Rock wool, PU/PIC, POLYPHEN and extruded polystyrene (XPS).
The facing materials are pre-painted galvanized steel, Aluminum or GRP.
The standard width of panels is 950mm, 970mm, 1000mm and 1150mm.
Panels can be manufactured to any transportable length.
The panels have a male female INTA lock system and various face profiles can be produced. The profiles included are: flat, fluted, shadow line, micro rib and raised rib.
Advantages and Disadvantages of the different core materials
EPS Core Panel
It is the most economic form of insulation
It is extensively used due to its insulation properties and high strength to weight ratio
It has a high resistance to water absorption
The flexible core is not easily damaged
Its relative low weight makes panel installation an easy process
When exposed to a fire the core material starts softening from 90̊ C and the panels lose their structural integrity
The core material ignites at 350̊ C in air
Rock wool Core Panel
It has excellent thermal and acoustic properties
It is fire safe
It is chemically inert and CFC and HCFC free
The price is higher
The panels are fragile and need to be handled carefully
The panels can delaminate with dynamic loading of excessive foot traffic
The core materials are imported which adds 8 weeks lead time to the start of installation
The high panel weight requires mechanical equipment for installation
PU Cored Panel
The panels are made using fully cured Polyurethane foam slabs
They are CFC free but not HCFC free
Although Polyurethane is not non combustible, it does not burn in the same way as EPS
Polyurethane panels, when subject to fire, forms a carbonaceous layer which retards further flame spread and maintain integrity for longer
KRS (Qingdao KRS Perfect Roof Co., Ltd.) is specialized in the research, manufacture and development of roofing tile, roof panel, roofing sheet, wall cladding and siding materials, steel structure materials, anticorrosion materials, heat insulation materials and waterproof materials for industry, construction, commercial building, residential building, DIY and public steel projects.<br />
On the basis of all aggressive staff and supporting from domestic and overseas partner, KRS develop very fast and cooperate with more and more overseas customers including Canada, Spain, Belgium, Australia, Nigeria, Ghana, Tanzania, South Africa, Panama, Indonesia, Venezuela, Brazil, Thailand, India, Egypt and so on. Our extensive range of products and high-performance order processing satisfy the customer’s various needs and facilitate everyone’s happy life.<br />
We devote ourselves to roofing tile, wall cladding, anticorrosion building materials, heat insulation materials, steel structure and waterproof materials. At the same time we strive to increase customer service mode in construction line from the date of establishment. Right now we are professional on the cost effective building of Steel Structures for villas, residential house, churches, factories, warehouses, shopping centers and offices.<br />
The following is the main products and systems.
Roofing Materials: corrugated bitumen roofing sheet, corrugated bitumen waterproof sheet, stone coated metal roof tile, resin roofing tile, UPVC roof sheet, FRP transparent roof sheet, asphalt shingle, fiber cement corrugated roof sheet, Roof panel, Roof slate and shake, natural slate, steel corrugated sheet, PC sun sheet, all kinds of nails and screws.
Heat insulation System: metal EPS sandwich roof panel and wall panel, metal Rock wool sandwich roof panel and wall panel, PUR Roof sandwich panel and wall panel, metal PIR sandwich decorative insulation wall panel.
Wall Cladding Materials: vinyl siding, fiber cement board, fiber cement panel, fiber cement decorative panel, PP decorative siding panel, wooden-like fiber cement sheet.
Anticorrosion building materials: FRP anticorrosion roof sheet and wall sheet, FRP anticorrosion purlin and beam, FRP gutter and downspout, UPVC anti-corrosion roof sheet, fiber cement corrugated sheet, aluminum gutter and rain pipe, UPVC gutter and downspout.
Our Service Concept for all customers is Quality Product, Competitive Price, Quick Global Delivery and Lasting Value.