SKU: 41277920935

Gibraltar Building Products 3.125-ft x 8-ft SM-Rib White Galvalume Steel Roof Panel, 29-Gauge, 36-in Coverage

$35.26 $39.18
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Ships within 48 hours · Estimated delivery Jul 29 - Aug 3

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Description

Gibraltar Building Products 3.125-ft x 8-ft SM-Rib White Galvalume Steel Roof Panel, 29-Gauge, 36-in Coverage3. 125 ft x 8 ft White SM Rib Steel Roof Panel Durable SM Rib roof panel made from painted galvalume steel for long lasting, low maintenance protection. Sized 3. 125 ft x 8 ft with 36 in coverage, its ideal for roofing or siding on sheds, garages, and residential projects. Class 4 impact resistant and non combustible, backed by a 40 year limited warranty. Key Features: Durable Galvalume Steel: Painted, corrosion resistant zinc aluminum silicon coating

3.125-ft x 8-ft White SM-Rib Steel Roof Panel

Durable SM-Rib roof panel made from painted galvalume steel for long-lasting, low-maintenance protection. Sized 3.125-ft x 8-ft with 36-in coverage, it’s ideal for roofing or siding on sheds, garages, and residential projects. Class 4 impact resistant and non-combustible, backed by a 40-year limited warranty.

Key Features:

  • Durable Galvalume Steel: Painted, corrosion-resistant zinc-aluminum-silicon coating for long service life
  • 36-in Coverage Profile: Ribbed SM-Rib design offers efficient coverage for roofing and siding
  • Safety & Strength: Non-combustible with Class 4 impact resistance; Florida Building Code approved
  • Lightweight, Easy Handling: 29-gauge panel cuts with shears and installs with gasketed screws
  • Low Maintenance Finish: Top-side painted surface resists rot, mildew, and warping

Specifications Table:

Specification Details
Color/Finish Family White
Manufacturer Color/Finish White
Material Steel (Painted Galvalume)
Profile Ribbed (SM-Rib)
Length (Feet) 8
Width (Feet) 3.125
Coverage Width 36 in
Panel Size (Sq. Feet) 24
Gauge 29
Impact Resistance Class 4
Non-Combustible Yes
Venting Required Yes
Multi-Wall Yes
For Use with Greenhouses Yes
Warranty 40-year limited
Florida Building Code Approval Yes (e.g., FL-11175.1 as shown)

Frequently Asked Questions (FAQ):

Q: What’s the actual coverage of each panel?
A: Each panel provides 36 inches of coverage when installed for roofing or siding.

Q: What roof slope is recommended?
A: These 29-gauge panels are recommended for roof slopes of 3/12 pitch or greater.

Q: Can the panels be used near treated lumber?
A: Direct contact with treated lumber is not recommended; use appropriate barriers or framing.

Q: How are the panels fastened?
A: SM-Rib panels use exposed, color‑matched gasketed screws driven into the roof deck per manufacturer fastening schedule.

Q: Are the panels recyclable?
A: Yes, after their long service life the steel panels are 100% recyclable.

Crisp Architectural Lines, Effortless Durability

The SM‑Rib panel brings a refined rhythm of linear ribs that instantly sharpens a roofline with clean, modern geometry. Its luminous white finish reflects light beautifully, accentuating gables and porches while keeping the palette fresh and airy. Pair it with stone or warm wood siding for an elevated farmhouse moment, or use it to streamline a contemporary garage. This is a hardworking, polished essential that marries performance with poised, luxurious curb appeal.

Upgrade your project with durable, code‑approved SM‑Rib panels—order now for clean lines, reliable protection, and easy installation.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 41277920935

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4.7 ★★★★★
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Mayra S.
New York, US
★★★★★ 5
Approved by an Overnight Registered Nurse, Has worked great last 4 years!
Item Package Quantity: 1, Size: 100 Count (Pack of 1)
I have worked overnight as a Registered Nurse for the last 4 of 6 years and I will offer my own experience on how these pills have helped me in my job performance. To start of with I have to say that no two human beings are the same so before I bought these pills I read the good and bad reviews and wasn't sure on the product. I've had heart palpitations in the past from excess caffeine when I drank one of the blue pop top Rock Stars with 1.5 times the caffeine as regular Rock Star and I can say that no, it's not fun at all. I've also experienced when I drink to much caffeine at once and find myself either visiting the restroom many times during a shift, or the crash that comes after the initial burst of energy. Anyways, I can say that with ONE pill a shift prior to going to work, I am able to stay awake and not in a forceful manner without the many negative effects from caffeine that I've experienced in the past. Working night shifts, I've seen how many co-workers need to chain drink coffee all night. I can't say that I don't like coffee, but I don't drink it more than once a week and I prefer not too if I have the chance. This is why I am glad that the Guarana Energizer has worked for me. I am able to be more alert all shift long, not have to struggle with energy or struggle with staying awake, and when I get home I not too wired where I have a hard time going to sleep. On my days off it also works as an excellent energy booster for the mornings to get your energy level going for your day ahead. Also, I've tried other guarana pills when the Source Naturals were no longer in stock (same 900 mg strength), and I have to say that I had to take more than 2 pills per shift to keep me awake, plus they never lasted a full shift. Don't know why the "energizer" term makes a difference, but it does for me. I recommend it to all my co-workers, and when they feel low on energy I've seen that even 1/2 a tab is sufficient for a little pick me up especially for those sensitive to caffeine.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 8, 2016
M
Verified Purchase
MacMoose
Waukegan, US
★★★★★ 5
The best guarana I've used - helped me kick energy drinks!
Item Package Quantity: 1, Size: 100 Count (Pack of 1)
I suppose I ought to stand in front of a group of people, and admit to being a caffeine addict. However, I rather like caffeine. I started in on caffeine at an early age- first by drinking soda- mostly cola- as often as my parents would allow. As a teenager, I discovered coffee. Later, it was espresso drinks- I loved a good quad-shot latte, and eventually was getting several a day. A few years ago, my stomach stopped agreeing with coffee as much, so I switched to energy drinks. I was drinking about 4 Rockstars a day. After doing the math, I realized that I was spending around $300 a month on these silly beverages. To economize, I switched to No-Doz. However, it wasn't the same, and it honestly felt... unnatural. The No-Doz sometimes aggravated my stomach, and I just didn't feel as well. Then I tried Guarana, as it is one of the main functional ingredients in many energy drinks. Love it. It seems to last a bit longer (it could be my imagination there, I am unsure), and it definitely feels more natural. I take a few of these per day- and I seem to have less of a "caffeine crash" after 4 hours or so than I once did. It still happens, but it's more gentle. My only complaint is that the pills are rather large- definitely a chore to swallow! Bottom line- this stuff costs just a bit more than a bottle of No-Doz, and is made from natural stuff. It feels healthier, and probably is. I now spend in a month wha I spent in a day on energy drinks. Also- for what it's worth- I've tried other brands of guarana, and this one "feels" best.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 8, 2012
S
Verified Purchase
Stella
Louisville, US
★★★★★ 5
Great
Item Package Quantity: 1, Size: 100 Count (Pack of 1)
Great for those days when your feeling a little tired not super hyping just pleasant energy
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 16, 2026
W
Verified Purchase
Wicked Cool Mom
Battle Creek, US
★★★★★ 3
Worked well for a few days, then built up a tolerance
Item Package Quantity: 1, Size: 100 Count (Pack of 1)
Guarana for me is one of those things that you should only take every once and a while. It gave me a nice surge of energy for about an hour or so after taking one, then after only a few mornings of taking one I noticed the effect completely wore off. So I stopped taking it for about a week. Then tried taking it again and it still did nothing. Maybe it's just my body, but now I need at least two to notice any effect. It's not that I even feel more alert now, it just makes me feel like I drank to much coffee. I will finish the bottle and then will not buy it again. Different supplements work differently for everyone though! Just because this didn't work for me longterm, that's not to say it won't work wonderfully for you. Trial and error is key with anything like this.
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Reviewed in the United States on October 29, 2013
M
Verified Purchase
Memory Ebeier Wortham
Pawtucket, US
★★★★★ 4
Great substitute for Adderall.
Item Package Quantity: 1, Size: 100 Count (Pack of 1)
This is a great supplement to have around, especially because it's SO easy and economical compared to coffee. I would happily rate it 5 stars BUT I have to admit that the first few times I took it, the jitters it gave me were pretty extreme. It didn't bother me AT ALL, but I know that it would be WAY too strong for a lot of people. However, if you're not a stranger to over-loading yourself on caffeine (or other stimulants) and you generally like its effects, this should be a great supplement for you. Very importantly, the jitters went away by the 4th day I took it and now it's hardly noticeable. I started using it so I could easily lower my daily dose of Adderall (prescribed for ADD) and it did the job well.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 6, 2018

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