Astino Metal Roofing — High-Performance New Sunroof Long Run & Crimp Curve | Rust-Resistant Astino Roofing

New Sunroof Long Run & Crimp Curve Roofing — High-Performance Structural Metal Deck | Bumbung Sunroof Crimp Curve

 

 

Engineered for seamless long-span coverage and architectural precision, our New Sunroof Long Run and Crimp Curve series offer a leak-proof solution for modern industrial designs. Featuring high-tensile strength and superior corrosion resistance, it is the preferred choice for large-scale factories and curved warehouse roofing across Malaysia.

 

PRODUCT DESCRIPTION

• For Project Managers and Structural Engineers, the primary challenge in large-scale Malaysian developments is ensuring absolute water-tightness over expansive roof areas while maintaining architectural integrity. Conventional roofing often fails at joints or transitions, leading to costly maintenance due to the high tropical rainfall intensity in regions like Selangor and the East Coast.
• Standard roofing sheets often require multiple overlaps, creating potential “weak points” for capillary action and backflow leakage. In industrial environments, the accumulation of heat and humidity can also accelerate the degradation of inferior materials. Contractors need a solution that eliminates mid-slope laps and provides the flexibility to follow complex curved geometries without compromising the material’s protective coating.
• The New Sunroof Long Run system is designed to be roll-formed in continuous lengths, significantly reducing the number of end-laps and the risk of water ingress. Complementing this, our Crimp Curve (Half Round) technology utilizes precision indentation to create rigid, aesthetically pleasing curves. This process enhances the structural rigidity of the profile, allowing for wider purlin spacing and reduced support structure costs. The profile features deep ribs and an integrated anti-capillary groove, ensuring that even during monsoon-level downpours, water is channeled efficiently away from the structure.
• Kee Maju Jaya maintains consistent stock levels to meet tight project timelines. We provide specialized site delivery logistics to key industrial hubs, including Klang Valley, Nilai, Johor Bahru, and Penang, ensuring your materials arrive in pristine condition, ready for immediate installation.
• Astino Roofing New Sunroof Long Run is the ultimate solution for contractors facing roof leakage issues in large-scale industrial premises. With its continuous span profile, this product eliminates the risk of rainwater ‘back-flow,’ ensuring your building structure remains safe and durable within the Malaysian tropical climate.

 

Ciri Utama	Perincian Spesifikasi
Tinggi Rabung (Rib Height)	25mm +2.0mm
Lebar Liputan Efektif	762mm
Sistem 3 DALAM 1	XLPE FOAM + ALUMINIUM FOIL
PU FOAM	POLYURETHANE FOAM + PVC SHEET
Cerun Bumbung Minimum	3

 

KEY TECHNICAL FEATURES

• Continuous Long-Run Profile: Eliminates the need for end-laps in most applications, drastically reducing the probability of leaks and improving installation speed.
• Precision Crimp Curving: Allows for versatile architectural designs, including bullnose, paraper, and half-round curves, without damaging the protective alloy coating.
• High-Rib Drainage Capacity: Engineered with deep troughs to handle high water discharge volumes, essential for the Malaysian tropical climate.
• Anti-Capillary Groove: A specialized side-lap feature that breaks the capillary action, preventing water from being sucked back into the roof laps.

 

Crimp Curved

 

APPLICATIONS & BENEFITS

• Industrial (Factories & Warehouses): Ideal for large-span portal frame buildings. Benefit: Reduced maintenance costs and long-term structural protection for high-value machinery and inventory.
• Commercial (Shopping Malls & Sport Complexes): Used for dramatic curved rooflines and “Half Round” architectural features. Benefit: Superior aesthetics combined with heavy-duty durability and compliance with commercial safety standards.
• Coastal Areas (Port Facilities): High-grade coating prevents salt-air corrosion. Benefit: Extended lifespan (Tahan Karat) in harsh maritime environments like Kuantan or Pasir Gudang.
• Infrastructure (Transportation Hubs): Designed for train stations and bus terminals requiring curved canopies. Benefit: High structural load-bearing capacity and Industry Standard Compliance.

 

 

Uniformly Distributed Load Table

Thickness TCT (mm)	0.60m	0.90m	1.20m	1.50m	1.80m	2.10m	2.40m	2.70m
0.35	9.70	2.86	1.19	0.60	0.33	0.20	0.13	0.08
0.40	10.67	3.14	1.31	0.66	0.37	0.22	0.14	0.09
0.42	11.32	3.33	1.39	0.70	0.39	0.23	0.15	0.09
0.47	12.94	3.81	1.59	0.80	0.45	0.27	0.17	0.11
0.53	15.54	4.58	1.91	0.96	0.54	0.33	0.22	0.15
0.55	16.19	4.77	1.99	1.00	0.56	0.34	0.23	0.15

 

 

Dimension and Weight Specification Table

Thickness BMT (mm)	Thickness TCT (mm)	Weight (kg/m)	Weight (kg/m²)	Cover Width (mm)	Rib Height (mm)
0.18	0.220	1.523	2.000	762	25
0.20	0.250	1.712	2.250	762	25
0.23	0.275	1.909	2.510	762	25
0.26	0.300	2.136	2.800	762	25
0.28	0.330	2.318	3.040	762	25
0.30	0.350	2.545	3.340	762	25
0.33	0.380	2.697	3.540	762	25
0.35	0.420	2.992	3.930	762	25
0.40	0.450	3.182	4.180	762	25
0.42	0.470	3.409	4.470	762	25
0.48	0.530	3.787	4.970	762	25
0.50	0.550	3.939	5.170	762	25

 

 

Fastening

TECHNICAL SPECIFICATIONS TABLE

Specification	Detail
Compliance	Industry Standard Compliant
Material Composition	High-Tensile Steel with Protective Alloy Coating
Profile Options	Sunroof Long Run / Crimp Curve / Half Round
Thickness Range	0.40mm – 0.60mm (Project Specific)
Effective Cover	Optimized for Maximum Span Efficiency
Finish & Coating	Premium Weather-Resistant Coating (Tahan Karat)
Min. Roof Pitch	3 Degrees (For Long Run Applications)

 

Astino Metal Roof Profile vs. Rainfall

Recommended Maximum Roof Length (m)

Rainfall (mm/h)	3°	5°	7°	10°	15°
150	50	60	80	101	138
200	39	50	60	76	102
250	31	40	48	61	82
300	26	30	40	49	67
400	8	10	11	13	16

 

 

 

 

FAQ SECTION

QUESTION 1: What are the primary benefits of using Crimp Curve Half Round profiles for industrial facades in Malaysia?

ANSWER 1: The Crimp Curve Half Round provides a seamless, aerodynamic finish that significantly reduces wind resistance and prevents water stagnation at the building’s edges. Kee Maju Jaya’s solution ensures the curve is structurally reinforced, delivering high aesthetic value alongside heavy-duty protection against harsh tropical elements.

QUESTION 2: How does the “Long Run” sunroof system effectively prevent leaks in low-pitch or flat-roof designs?

ANSWER 2: By producing roofing sheets in custom lengths that span continuously from ridge to gutter, the Long Run system eliminates the need for horizontal overlaps. This removes the most common point of failure in Malaysian roofing, specifically preventing “back-flow” leakage during heavy monsoon thunderstorms.

QUESTION 3: Is the Sunroof Long Run profile durable enough for high-humidity coastal environments like Johor or Penang?

ANSWER 3: Yes. Our Sunroof profiles are manufactured with a specialized alloy coating engineered for superior corrosion resistance. This “Tahan Karat” quality makes it the ideal choice for the high humidity and salt-mist conditions prevalent in Malaysia’s coastal and industrial zones.

QUESTION 4: Can Kee Maju Jaya manage site-direct delivery for large-scale construction projects on the East Coast?

ANSWER 4: Absolutely. We operate a robust logistics network that provides site-direct delivery to the East Coast (Pahang, Terengganu, Kelantan) and all major hubs across Peninsular Malaysia, ensuring project timelines are met with competitive project rates.

 

SOALAN 1: Apakah kelebihan utama menggunakan profil Crimp Curve Half Round untuk fasad industri di Malaysia?

JAWAPAN 1: Crimp Curve Half Round memberikan kemasan aerodinamik yang lancar bagi mengurangkan rintangan angin dan mengelakkan takungan air di bahagian tepi bangunan. Penyelesaian daripada Kee Maju Jaya memastikan lengkungan diperkukuh secara struktur, memberikan nilai estetika serta perlindungan lasak terhadap cuaca ekstrem.

SOALAN 2: Bagaimanakah sistem sunroof “Long Run” menghalang kebocoran pada reka bentuk bumbung cerun rendah?

JAWAPAN 2: Dengan menghasilkan kepingan bumbung mengikut panjang tersuai yang merentasi dari perabung hingga ke palung, sistem Long Run menghapuskan pertindihan mendatar. Ini membuang punca utama kegagalan bumbung di Malaysia, terutamanya masalah aliran balik (back-flow) semasa hujan lebat.

SOALAN 3: Adakah Sunroof Long Run sesuai untuk persekitaran kelembapan tinggi seperti di Johor atau Pulau Pinang?

JAWAPAN 3: Ya. Profil Sunroof kami dihasilkan dengan salutan aloi khas yang direka untuk rintangan kakisan yang tinggi. Kualiti “Tahan Karat” ini menjadikannya pilihan ideal untuk tahap kelembapan dan kabus garam yang tinggi di zon pantai dan industri Malaysia.

SOALAN 4: Bolehkah Kee Maju Jaya menyediakan penghantaran terus ke tapak bina untuk projek berskala besar di Pantai Timur?

JAWAPAN 4: Tentu sekali. Kami menguruskan rangkaian logistik yang teguh untuk penghantaran terus ke tapak di Pantai Timur (Pahang, Terengganu, Kelantan) dan semua hab utama di Semenanjung Malaysia bagi memastikan jadual projek dipatuhi dengan kadar harga projek yang kompetitif.