Internet #100004640

Model # NMM50

Store SKU #430703

0050206180006

2.67 in. x 50 ft. Zinc Moss and Mildew Preventer Strip

  • Provides long-lasting protection against moss and mildew
  • Installs easily near roof ridge
  • For use with shingle, shake, or tile roofs
$ 36 98

Frequently Bought Together

Frequently Bought Together

Product Overview

  • Provides long-lasting protection against moss and mildew
  • Installs easily near roof ridge
  • For use with shingle, shake, or tile roofs
Use Master Flow Zinc Moss Preventer for long lasting protection against moss and fungus. Zinc Moss and Mildew Preventer installs easily near the roof ridge. It can be used with composite, shake or tile roofs and is EPA approved.
  • Helps prevent the growth of mold and mildew near the roof
  • For use with composition (shingle), shake or tile roofing
  • For long-lasting protection against moss and fungus
  • Installs easily near the roof ridge
  • EPA approved
  • With each rain, zinc is released from the strip and prevents the growth of moss below the strip



Product Overview

  • Provides long-lasting protection against moss and mildew
  • Installs easily near roof ridge
  • For use with shingle, shake, or tile roofs
Model #: NMM50
Sku #: 430703
Internet #: 100004640

Use Master Flow Zinc Moss Preventer for long lasting protection against moss and fungus. Zinc Moss and Mildew Preventer installs easily near the roof ridge. It can be used with composite, shake or tile roofs and is EPA approved.

  • Helps prevent the growth of mold and mildew near the roof
  • For use with composition (shingle), shake or tile roofing
  • For long-lasting protection against moss and fungus
  • Installs easily near the roof ridge
  • EPA approved
  • With each rain, zinc is released from the strip and prevents the growth of moss below the strip



Info & Guides

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Specifications

Dimensions

Product Depth (in.)
600
Product Height (in.)
0.175
Product Width (in.)
2.67

Details

Returnable
180-Day
Roofing Accessories & Tool Type
Roof Cleaner
Roofing Product Type
Roofing Tool/Accessory

Warranty / Certifications

Manufacturer Warranty
Limited Warranty

Specifications

Dimensions

Product Depth (in.)
600
Product Height (in.)
0.175
Product Width (in.)
2.67

Details

Returnable
180-Day
Roofing Accessories & Tool Type
Roof Cleaner
Roofing Product Type
Roofing Tool/Accessory

Warranty / Certifications

Manufacturer Warranty
Limited Warranty

Questions & Answers

Can the 2.67 in. x 50 ft. Zinc Moss and Mildew Preventer Strip be painted white?

Can the 2.67 in. x 50 ft. Zinc Moss and Mildew Preventer Strip be painted white?
Asked by: Dennis
I would not do that as the paint will shield the zinc from having a chemical reaction with moisture.
Answered by: Rob
Date published: 2020-06-11

Is master flow made of of 100 percent zinc

Is master flow made of of 100 percent zinc
Asked by: Kevin
No it is made out of aluminum.
Answered by: Robert
Date published: 2020-08-11

How long is "long lasting" for use on a roof to prevent moss?

How long is "long lasting" for use on a roof to prevent moss?
Asked by: MG
You will replace it whan you replace your roof.
Answered by: Robert
Date published: 2020-03-31

what is the best method to attach this to concrete roofing tiles?

what is the best method to attach this to concrete roofing tiles?
Asked by: dc2r
INSTALLING ZINC STRIP MOSS AND MILDEW PREVENTER How zinc strip works. Zinc strip does not kill moss or mildew, it inhibits their growth so that in most cases roof cleaning is reduced or eliminated. The zinc strip is installed along both sides of the ridge of the roof, so that most of the strip is exposed. The exposed zinc will oxidize, forming zinc oxide. Every time it rains, some of this zinc oxide leaches down the roof, inhibiting the growth of moss and mildew. Very large roofs may require extra protection. If the roof extends for more than 14 feet, down from the ridge where the zinc strip is installed, regrowth may reoccur. In these cases installing a second zinc strip about halfway down the slope may be required. The roof must be cleaned of moss and/or mildew. Zinc strip will help control the growth of moss and mildew, it will not remove growth that is already there. Zinc strip can be used on composition shingles, wood shakes, and tile roofs. Note however, that it is not as effective when used on barrel tile type roofs as the fungus inhibiting action remains mainly in the valleys of the tiles. Only areas below the strip will receive protection. On hip roofs, this means that for full coverage, each side of each hip needs to have zinc strip applied. If regrowth is a continuing problem, it may indicate another problem, such as inadequate attic ventilation, which is supplying moisture that encourages mildew or moss growth. COMPOSITION AND WOOD SHAKES 1. Install zinc strip on both sides of the ridge 2. Install under the cap shingle on both sides of the ridge. Do not insert more than 1” under shingles. 3. Use roofing nails with neoprene washers, spaced 12” apart. Nails are best located under the covering shingle. 4. If you prefer, the zinc strip can be glued, using a high grade, exterior construction adhesive. TILE ROOFS 1. Unless you are installing the ridge tile at the same time, you will probably find it easiest to glue the zinc strip to the tile. Use a high grade, exterior, construction adhesive. 2. Glue the strips on both sides of the ridge. 3. Bend the strips as necessary to conform to the shape of the tiles. 4. For ease of handling, the strips can be cut into 6’ or 8’ foot lengths and butted together. 5. Not as effective when used on barrel tile type roofs. The fungus inhibiting action remains mainly in the valleys of the tiles. Should you have any further questions, Please do not hesitate to contact Masterflow Technical Support at 1-800-211-9612.
Answered by: Master Flow
Date published: 2020-04-07
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