A Class 4 rating is the highest tested rating for impact resistance under the UL 2218 standard for metal roofing panels. This certification indicates the roof material has passed testing that simulates withstanding 2” diameter hail with no visible defect. Our 26 gauge panels (and thicker) pass this testing.
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MSL Standing Seam Panel
The Mueller Snap Lock standing seam panel is one of the most versatile metal roofing panels made. Whether using MSL on a commercial metal building or on a residential metal roofing application, its structural performance is unsurpassed. The bold profile of the MSL and the many color choices can satisfy any visual need that might arise. Having to choose form or function when making a roofing decision is no longer an issue when Mueller Snap Lock is your choice. Its structural brawn and obvious beauty make it a metal roof panel frequently used in many applications.
Standing Seam (MSL) Benefits:
- Up to a 30-Year Limited Paint Warranty
- A Wide Range of Designer Colors
- Hail Resistant - Underwriters Laboratories
- Class-4 Rating
- Fire Resistant
- Wind Resistant up to 140 mph
- 24 Gauge - Commercial Grade Steel
- Energy Efficient
- Greater Life Expectancy
- Outstanding Durability
- Possible Insurance Savings
Note: MSL Panel can exhibit oil canning, which is a waviness in the flat area of roofing panels. This is an aesthetic issue and not a reason for rejection. For more information about oil canning, click here.
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Frequently Asked Questions
What is Class 4?
Is thicker material always better?
Do the panels come pre-cut?
What are the benefits of metal roofing?
Will a metal roof attract lightning?
Can I install metal roofing over my existing shingles?
Is a metal roof easy to install?
What is the warranty on a Mueller roof?
Is a metal roof more energy efficient than an asphalt shingle roof?
What is the minimum roof slope recommended for MSL Panel?
Can you refer an Independent Contractor?
How do I order a Mueller Metal Roof?
* Colors may vary by monitor settings. Please contact us to get the most accurate color representation. We will be glad to provide you with color samples.
** Galvalume Plus has no uniformity of appearance guarantee. Each individual sheet, even upon delivery, may have a different color, gloss, sheen, texture or spangled appearance. If uniformity of appearance is desired, a painted product is required.
Click here for information about our paint warranties.