Butyl Rubber Elastomeric Caulk


SeamStitch Butyl Rubber Caulk

Elastomeric Rubber Coating
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Corporate Address: EPDM Coatings N.E Sales Office 494 Bridgeport Ave Suite 101, PMB 342 Shelton CT 06484-4748
E-Mail: [email protected]
Website: http://www.fixallroofs.com


SeamStitch Buytl Rubber Elastomeric Caulk is a butyl rubber elastomeric brush grade roof sealant and caulk for all types of roofs.
Butyl rubber caulk is another popular caulk alternative. It is excellent for use in gaps and cracks that are up to ¼” wide, such as those appearing on windowsills and between doors and door frames. Strong and durable, butyl rubber caulk can last up to ten years when applied correctly. It is also comes in a range of colors or you can purchase colored tints to mix with the caulk to match the color exactly to your décor. Some butyl rubber caulks can also be used to fill cracks in stone, brick, and concrete.


Built Up Roofing (BUR), Concrete Roofs, Metal Roofs, Modified Bitumen, Polyurethane Foam, Single Ply Roofing (EPDM, PVC, TPO).

Caulking and sealing sheet metal fasteners, seams, laps and flashings prior to the application of roof coatings. Patching concrete, brick and masonry. Filling gaps in sidings and framed openings. Excellent roof sealant for small roof repair jobs.


  • Superior adhesion to various substrates.
  • Durable vapor barrier seam sealer.
  • Excellent elongation and tensile strength.
  • Withstands ponding conditions in low slope roofs.
  • Contains fungicides and mildewcides.



See table on the following page.


  • This product is a vapor barrier and must be installed on dry substrates only. A moisture survey may be needed.
  • All surfaces to be coated must be clean, dry and free of any oil, grease or dirt.
  • Any existing coating must be checked for good adhesion.
  • Before application, any loosely adhered coating must be removed and bare surfaces must be prepared, cleaned and checked for compatibility.
  • EnergyGuard Butyl Rubber Elastomeric Caulk is ready to use. Thinning is not recommended.
  • Containers should not be left open for extended periods of time.
  • Follow our roof repair and roof restoration procedures and always perform a coating adhesion test before doing the entire roof.


SeamStitch Butyl Rubber Caulk is available directly from Fixallroof Coatings, from authorized distributors and online. Contact Fixallroof Coatings for referral to a local Sales Representative or visit our website.

Pricing information can be obtained from Fixallroof Sales Representatives.


Periodic maintenance of Fixallroof Roof Restoration System ensures extended service life and maintains reflectivity.


Contact Fixallroof Coatings for Technical Support. Additional information, product literature, brochures, and specifications are available.


Additional product information is available from Fixallroof Coatings.

SeamStitch Butyl Rubber Caulk Technical Data

Property Value Test Method
Color: White
Viscosity: 35,000 cps Brookfield
Density: 7.7 lbs/gal
Solids by Volume: 52%
Hardness: 55 Shore A
Tensile Strength: 500 ± 50 psi ASTM D412
Elongation: 525% ± 50% ASTM D412
Permeability: 0.005 perms/inch ASTM E96
Flash Point: 68°F
Coverage: As needed.
Application Temperature: 45°F – 95°F, Less than 95% relative humidity.
Dry Time: Dry to touch in 4 hours, 4 – 10 hours to recoat.
Shelf Life: 12 months @ 40°-90°F
VOC: 460 grams/liter
Clean Up: Xylene or Mineral Spirits

Freight Classification: Paint – Flammable Liquid (UN 1263 Red Label Required)

Warning: SeamStitch Butyl Rubber Elastomeric Caulk contains Xylene, VM & P Naptha. Keep away from open flame, heat or sparks. Use only in ventilated areas and provide mechanical ventilation in enclosed spaces. Avoid breathing vapor or mist. Approved (MESA/NIOSH) chemical respirator and protective clothing must be used at all times. Fresh air hose masks required for interior applications. Fixallroof Coatings must be completely dry before exposing to water or foot traffic. Keep Fixallroof Coatings containers covered when not in use. Dispose of all containers in accordance with state and local environmental regulations. Keep away from children. If ingested, DO NOT induce vomiting. Call Physician immediately.

Product information contained herein are presented in good faith and believed to be reliable. They do not constitute part of our terms and conditions of sale. It is also not a guarantee, either expressed or implied, that the data are correct or that products described are merchantable or fit for a particular purpose as methods of use are beyond our control. Customer should determine the suitability of our materials and installation recommendations before usage. Manufacturer’s sole responsibilty shall be to replace that portion of any product that proved to be defective.

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