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AFM Safecoat Dynoflex Natural 1 gal
AFM Safecoat Dynoflex Natural 1 gal

Our Price: $62.90

Product Code: AFMDNS

Description Custom Ordering/ Returns
AFM Safecoat Dynoflex- 1 gallon

Safecoat DynoFlex is a unique, water-based, low odor elastomeric sealer formulated in paste-like compound for sealing seams, joints and cracks in new and old heating and air conditioning ducts, and for repairing metal roofs and asphalt shingles. Safecoat temperature changes, It remains flexible and prevents leaks even after exposure to the elements or contraction due to the weather. Safecoat DynoFlex is resistant to gasoline, oil, grease, fungi, acids, alkaline, and flame spread. It is also a superb sound deadener.

Use on:
Safecoat DynoFlex is recommended for new and old heating and air conditioning ducts, metal roof cracks, damaged asphalt shingles, mobile home roofs and similar areas.


  • Effective, easy to use.
  • Non-offensive to installer and occupant.
  • When used in conjunction with SafeChoice Super Clean and SafeChoice X-158, DynoFlex is a full system for sealing, cleaning and maintaining all heating and air conditioning ducts.
  • Safely used by and for the chemically sensitive.
  • Very low VOC content, meets or exceeds all federal and state air quality regulations, including California.
One gallon of Safecoat DynoFlex covers approximately 100 square feet at 15 mils thickness.

Always have adequate ventilation. All areas to be coated should be clean and dry. Remove all oil, dust, rust and loose residue. Old asphalt shingles should be completely dry before applying DynoFlex. Apply DynoFlex at 15 mils wet directly from the container without dilution. Use a brush, squeegee-type applicator or towel and smooth evenly to produce a uniform and seamless coat. Two coats provide additional protection.

Note: These instructions are intended to be general only and not exhaustive. The applicator should determine which preparation an techniques are best suited to the specific surface.

Download Spec Sheet- pdf

Download MSDS- pdf

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