SKU: 63855105514

GAF MasterFlow Zinc Moss & Mildew Preventer, 2.67 in x 50 ft Roll (NMM50)

Sale price$36.21 Regular price$40.23
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Ships within 48 hours · Estimated delivery Jul 21 - Jul 26

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Description

GAF MasterFlow Zinc Moss & Mildew Preventer, 2.67 in x 50 ft Roll (NMM50)Zinc Roof Moss & Mildew Preventer Roll Install this zinc strip near the roof ridge to help inhibit moss and mildew growth on shingles. Durable zinc material delivers long lasting protection in a convenient 2. 67 in x 50 ft roll for easy application on residential roofs. Key Features: Long Lasting Protection: Zinc composition helps prevent moss and mildew growth on roofs Easy Installation: Installs near the ridge; roll format allows quick cutting and

Zinc Roof Moss & Mildew Preventer Roll

Install this zinc strip near the roof ridge to help inhibit moss and mildew growth on shingles. Durable zinc material delivers long-lasting protection in a convenient 2.67 in x 50 ft roll for easy application on residential roofs.


Key Features:

  • Long-Lasting Protection: Zinc composition helps prevent moss and mildew growth on roofs
  • Easy Installation: Installs near the ridge; roll format allows quick cutting and placement
  • Durable Material: Mill finish zinc resists weathering for extended service life
  • Ideal Coverage: 2.67 in width by 50 ft length fits along ridgelines and problem areas
  • Trusted Brand: Part of the MasterFlow line from GAF for roofing accessories

Specifications Table:

Specification Details
Manufacturer Part Number NMM50
Brand GAF
Product Line MasterFlow
Material Zinc
Finish Mill Finish
Dimensions 2.67 in x 50 ft
Unit of Measure Roll (RL)
Item Weight 4.5 lb
Applicable Standards EPA Approved
Intended Use Install near roof ridge to help prevent moss and mildew growth

Frequently Asked Questions (FAQ):

Q: How is this product installed?
A: Cut the zinc strip to length and fasten it near the roof ridge under the cap shingles, allowing rainwater to wash zinc ions down the roof surface.


Q: What roof types is it compatible with?
A: Designed for use on typical asphalt shingle roofs; verify suitability with your roofer for other materials.


Q: How long does the protection last?
A: Zinc strips provide multi-year protection as rain releases zinc ions over time; inspect periodically and replace when significantly corroded or depleted.


Q: What are the roll dimensions?
A: Each roll measures approximately 2.67 inches wide by 50 feet long.


Q: Is it EPA approved?
A: Yes, the product is listed as EPA approved.


A Sleek Zinc Line That Keeps Your Roof Pristine

I love how a discreet ribbon of zinc can so elegantly preserve a home’s silhouette, keeping the roof crisp and clean. The mill-finish sheen feels industrial-chic, disappearing visually while working tirelessly. Run it along the ridge beneath cap shingles and pair with charcoal asphalt for a refined, low-maintenance statement. It’s a quiet luxury—performance that protects the architecture you love.


Safeguard your roof’s look and longevity—add this zinc moss preventer roll to your project today.

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: 63855105514

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Sashunia
Waukegan, US
★★★★★ 5
Great looking shoe!
Size: 11 Little Kid, Color: Tan, Size: 11 Little Kid, Color: Tan
We got these sandals specifically for our Caribbean vacation over thanksgiving break. They run true to size but I did get them one size bigger to hopefully last for next summer as well. They look great on and go with everything! My son said they feel very comfortable on his feet and he likes easy on/off due to Velcro closure.
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Reviewed in the United States on December 7, 2025
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Amy Kim
Fort Morgan, US
★★★★★ 5
The Perfect Sandal for Active Kids!
Size: 8 Toddler, Color: Navy
I recently purchased the Stride Rite 360 Boy's Paddy Sandal for my son, and I couldn't be happier with my decision! From the moment he slipped his feet into these sandals, I could tell we were both going to be very pleased. Comfort & Fit: 5/5 - The Paddy Sandal has surpassed all expectations in terms of comfort and fit. The adjustable straps make it incredibly easy to get a snug, perfect fit for my son's feet, ensuring the sandals stay securely on, no matter how much running and jumping he does. The soles are cushioned just right, offering support without sacrificing flexibility, which is essential for a growing child. Durability: 5/5 - Stride Rite has always been synonymous with quality, and these sandals are no exception. They've endured days at the park, sandy beaches, and endless pavement adventures, yet they show minimal wear and tear. The materials are top-notch, promising many more months of active use. Ease of Use: 5/5 - For busy parents, the ease with which these sandals can be put on and taken off is a huge relief. The hook and loop closure is strong and stays in place, but it's simple enough for my son to handle on his own, fostering his independence. Overall Experience: 5/5 - It's rare to find a shoe that ticks all the boxes for both parent and child, but the Stride Rite 360 Boy's Paddy Sandal does just that. They've been a fantastic investment in my son's summer wardrobe and overall comfort during his daily activities. I would highly recommend these sandals to any parent looking for a reliable, comfortable, and stylish option for their child. Stride Rite has outdone themselves once again!
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Reviewed in the United States on March 19, 2024
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Spensanna Mayberry
Carnegie, US
★★★★★ 5
Great
Size: 8 Toddler, Color: Navy
Just as pictured and the padding is super comfortable, our 3 year old is rough on shoes but we love stride rite the quality it good and easy to clean perfect for wide toe area
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Reviewed in the United States on May 3, 2026
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Tori
Grantham, US
★★★★★ 5
Great toddler shoes!
Size: 6 Toddler, Color: Navy
Cute, comfy, practical and perfect for my toddler son
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Reviewed in the United States on October 9, 2025
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Naomi Joshi
New York, US
★★★★★ 5
Most comfy sandals my toddler owns
Size: 6 Toddler, Color: Navy
Very comfortable and true to size
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Reviewed in the United States on May 9, 2026

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