Customer Reviews for Master Flow 2.67 in. x 50 ft. Zinc Moss and Mildew Preventer Strip

Internet #100004640

Model #NMM50

Store SKU #430703

  • Provides long-lasting protection against moss and mildew
  • Installs easily near roof ridge
  • For use with shingle, shake, or tile roofs

Customer Reviews

  • 56 Customer Reviews
  • 4.4 out of 5 stars overall
86% of customers recommended.
Overall Ratings
5star-icon(33)
4star-icon(13)
3star-icon(7)
2star-icon(1)
1star-icon(2)
Attribute Ratings
Quality
4.1
Value
4.2
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Very easy to install
Quality :
5
Value :
5
Installed under the ridge tiles on moss covered barn roof. It appears to have an immediate effect on eliminating the moss growth, but will have to have more rainy days to determine the total benefits. It's alot easier than trying to balance some 5 gals buckets of bleach on the roof ridge.
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My roofers were pleased! Installed easily and is now at...
My roofers were pleased! Installed easily and is now at work keeping my new roof algae-free.
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Rating provided by a verified purchaser...
Rating provided by a verified purchaser
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CANNOT RATE THIS PRODUCT UNTIL ITS EFFECTIVENESS CAN BE DETERMINED. The inhibited growth of moss...
CANNOT RATE THIS PRODUCT UNTIL ITS EFFECTIVENESS CAN BE DETERMINED. The inhibited growth of moss is the only way to properly rate this product. Only time will tell.
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Installed as directed....
Installed as directed.
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Time well tell how well this product works!! I would...
Time well tell how well this product works!! I would consider purchase of this product if it was 6 inches in width
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It is a little early to judge its mos and mildew prevention performance although the zinc will pe...
It is a little early to judge its mos and mildew prevention performance although the zinc will perform as expected over the years.
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Exactly what I wanted for preventing moss on my roof....
Exactly what I wanted for preventing moss on my roof. More economical than the 3 foot pieces. Flexible, but sturdy enough.
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Installation video by This Old House. Watch it....
Installation video by This Old House. Watch it.
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