M-1 Adhesive Sealant Universal Multi-Purpose Caulk (Single) Tubes

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M1 Adhesive Sealant 10.1 Oz. Cartridge Tubes

M-1 is a universal all-purpose construction and roofing adhesive & sealant in one, and is perfect for interior or exterior use. Initially designed for commercial & industrial roofing, ChemLink's M-1 can be applied in damp, dry, and cold conditions as low as 30°F. It won't discolor with Sunlight/UV light and is capable of joint movement in excess of 25% in both compression and extension.

  • Application Versatility: Apply in wet or dry, hot or cold
  • Dries quickly: 20-minute skin-over time
  • Paintable within 24 hours 
  • Non-toxic: Safe for everyone, environmentally friendly
  • Low-VOC / Low-Odor (20 g/l VOC)



Financing Available for orders over $1,000

M-1 is a moisture cure, multi-purpose structural adhesive/sealant designed for bonding and sealing a wide range of construction materials. M-1 forms a tough elastic waterproof seal to most roofing/construction materials like masonry, wood, glass, aluminum and foam, and bonds well to most building surfaces including: metal flashing, copings, skylights, and HVAC surfaces.

ChemLink M1 is similar to NP1 because it is a urethane adhesive, but, M-1 has no odor, is non-toxic, works a lot better, and cleans up easier than NP-1. M-1 is the go to choice among commercial & residential roofers and contractors worldwide because of it's versatility, durability, application options, color options, and it's "green" eco-friendly / non-toxic properties. 

Advantages of M-1 vs. NP1 or other adhesive/sealant all-purpose caulks:

  • Applies & Cures in various weather conditions: will cure when damp, dry and as cold as 30 °F
  • Durable, Superior finish: elastomeric; won't shrink; has high hardness and shear strength
  • Fast Drying: skin-over and rain-ready in 20 minutes
  • Non-toxic, low-odor: no solvents or isocyanates
  • Safe: for everyone, including the chemically sensitive
  • Eco-friendly: very low VOC (16.9 g/l)
  • Easy-to-use: no tools or mixing required
  • Color & Size Options: We stock white, grey, black and limestone in most sizes.

SOLVENT FREE           |      100% solids, will not shrink

NON SLUMP                |      applies vertically and overhead

COLOR STABILITY          good stability, will not suntan

GUN GRADE                |      no special tools required

TEMP RANGE              |      apply at temps as low as 32°F

More Information
Manufacturer Part Number F1270-1
Manufacturer CHEM LINK
Weight 1.5lb
Country of Manufacture United States
Product Sheet (1.66 MB)
Safety Sheet (229.81 kB)

M-1 Structural Adhesive Sealant Caulk Installation:

  • Bonding surfaces should be clean, dry and free from all contamination that may inhibit the sealant’s performance.

  • Isopropyl alcohol is an effective cleaner for surface preparation.

  • Install all joint applications per ASTM and SWRI recommendations and guidelines.

  • Please contact customer service for application guidelines for temperatures below 32 degrees F (0 degrees C).

  • Maintain sealant at room temperature before application to ensure adequate tooling and adhesion.

  • This product sets rapidly upon exposure to moisture.

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