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Extreme Conditions Water Proofing Membrane

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Cobalt Ultra

Ice & water protection
high temperature (300°F)

Cobalt Ultra is a self adhered roof underlayment designed for sloped roof applications to help protect against water infiltration from ice dams and wind driven rain. Cobalt Ultra is designed for use under asphalt shingles, concrete and clay tiles, shakes, synthetic shingles, primed cedar shakes, and all types of metal roofing including high temperature applications such as copper, zinc, and Cor-Ten® roofing panels located in high altitude and southern regions.

  • Ideal for Cold weather repairs
  • High Temperature – both facer and adhesive thermally stable to 300°F (149°C)
  • Low Temperature Installation – adheres below freezing -4°F (-20°C)
  • Patented GRIPSPOT Technology slip resistant walking surface
  • Synthetic Adhesive – Asphalt free adhesive technology (No VOCs)
  • Nail Sealable – meets ASTM D1970
  • Chemically resistant/compatible with low slope roofing materials
    such as EPDM and TPO
  • Silicone treated split release liner for easy removal and application
  • Long 4 to 5 Year Shelf Life
  • LIFETIME Limited Warranty

Cobalt Ultra Meets or exceeds the following code standards:
ASTM D226-97, ASTM D4869, CAN/CSA A123.3, CAN/CSA A220.1, ASTM D1970, FBC #FL31710, CCRR-0356, California Building Code Compliant, AC-48 acceptance criteria for self adhered underlayments used as ice and water barriers.

SPECIFICATIONSCOBALT ULTRA
WIDTH36″ (91.4 CM)
LENGTH67′ (20.4 M)
WEIGHT PER ROLL28 LB (13 KG)
36 Rolls per pallet (48” x 48”) I 40 pallets per truckload1440 rolls per truck
UV RESISTANCE6 MONTHS
TEMPERATURE RANGE-40°F TO 240°F
WARRANTYLIMITED LIFETIME

Test and StandardCobalt Ultra
Material Composition
Synthetic Adhesive (Asphalt Free)
Release Liner TypeSilicone Treated Poly Split Release Liner
Nail Sealability ASTM D1970PASS
Permeability ASTM E96<0.05 Perm
Tensile Strength ASTM D1970 MD
95 lb (43 kg)
Tensile Strength ASTM D1970 CD
90 lb (41 kg)
Tear Resistance ASTM D1970 MD
70 lb (32 kg)
Tear resistance CD – ASTM D197060 lbf
Low Temperature Flexibility ASTM D1970
Pass
Adhesion to Plywood ASTM D90382 lbf/ft @ 40°F (4.4°C)
Adhesion to Plywood ASTM D90381 lbf/ft @ 75°F (24°C)
Adhesion to Metal ASTM D90390 lbf/ft @ 40°F (4.4°C)
Adhesion to Metal ASTM D90395 lbf/ft @ 75°F (24°C)
Minimum Thickness ASTM D5147 
41 mils
Thermal Stability ASTM D1970300°F (149°C)
Installation Temperature
-4°F (-20°C) and above
The Data shown above is based on the test averages and independent test reports. There can be a +/-10% variation in the individual test results. This report should not be considered as a warranty for the manufacturer. The manufacturer is not responsible for the misrepresentation or misinterpretation of the data by the reader. Please find out more about the product by calling 1-844-353-9839 or visit www.ftsyn.com

Cobalt Ultra Installation Instructions

Rev Nov 3, 2020

COBALT Ultra is an extreme weather conditions self-adhering peel and stick roofing underlayment designed for steep slope roofing applications 2:12 and greater to help protect against water infiltration from ice dams and wind driven rain. It features a high strength asphalt free synthetic adhesive with an easy to peel double sided release liner.  Cobalt Ultra is designed for use under; asphalt shingles, concrete and clay tiles, shakes, synthetic shingles, primed cedar shakes, and all types of metal roofing including high temperature applications such as copper, zinc, and Cor-Ten® roofing panels located in high altitude and southern regions.

STORAGE:

For best results store Cobalt Ultra upright in its original packaging in a well ventilated area at room temperature between 40°F (4.4°C) and 90°F (32°C). If product has been stored at a high temperature above 90°F (32°C) it may become difficult to remove the release liner backing.  To correct this, move product to a cooler location. Once cooled, the release liner can be easily removed.

DECK PREPARATION:

Cobalt Ultra should be installed over a clean, smooth, and dry deck. The deck should also not have any voids, protrusions, damaged or unsupported areas. For re-roofing projects, replace any water damaged sheathing and sweep roof deck thoroughly removing dust, dirt and loose nails. Do not install over old roof covering.

APPLICATION:

Cobalt Ultra may be applied directly to a plywood, OSB, fully cured concrete or masonry roof surface.  Priming is not required for attaching to dry wood, OSB or metal surfaces when the temperature is above -4°F (-20°C).  Concrete and masonry decks should be primed with a solvent or a water based primer that meets ASTM D41 for self-adhesive membranes.  Membrane to be applied in shingle lap fashion working from the low point to the high point of the roof. Apply the membrane in valleys before the membrane is applied to the eaves.  Cobalt Ultra is to be laid out horizontally (parallel) to the eave with the printed side up. Horizontal overlaps to be 3” using the flat designated selvage edge.  For best adhesion performance it is recommended to not overlap up onto the Gripspot walking surface. For end laps it is recommended to overlap a minimum of 6” and nail 1” in from the edge along the vertical end lap with 6” spacing between nails. End laps should be offset a minimum of 6 feet on adjacent courses.  Where it is necessary to overlap Cobalt Ultra onto the Gripspot walking surface such as over the ridge it is recommended to cap nail along the outer edge 1” in at 6” intervals. Note if underlayment will be left exposed for an extended period in high wind areas it is also recommended to nail along the outer edges of the roof along the rake or eave.

For easier installation, it is recommended to cut the membrane into manageable lengths. Then peel back one side of the split release liner and apply in position on the roof deck and then press in place by hand or with a roller to increase adhesion to the deck.  Once one side has been pressed to the deck peel back the remaining half of the release liner and press down to adhere to the roof deck again using a small roller to increase adhesion. For improved adhesion hand rolling over the selvage edge and directly above the selvage edge using a weighted roller is recommended. If a roller is not available or not considered safe, walk on all laps, and as much of the field area as possible.

For Cold Weather Applications -4°F (-20°C) or below, a primer should be used and the upper most  selvage edge blind nailed using 3/8” head roofing nails 1” or longer.  Space nails along edge at 12” intervals using the marked locations.  For best results, allow Cobalt Ultra to ambiently warm to room temperature prior to application.

For Steep Slope Applications (5:12 or greater), high wind areas, or when installing at temperatures greater than 100°F (38°C), it is recommended to blind nail the selvage edge area as per above under cold weather application.

Cobalt Ultra should be applied under the metal drip edge along the rakes and over the metal drip edge along the eaves unless otherwise specified by local building codes.  Do not fold Cobalt Ultra over the roof edge unless the edge is to be subsequently covered over by a drip edge or other flashing material.

In areas where ice damming can occur, install Cobalt Ultra from the eaves up the roof to a point not less than 24 inches inside the exterior wall, measured horizontally. Consult your local building code for specific requirements.

For valley applications, peel the release liner; center the sheet over the valley and hand press in place from the center of the valley outward. Note: It is very important Cobalt Ultra stay in contact with the roof deck into and out of the valley area. Cobalt Ultra should never be suspended or bridge a valley. It is recommended to follow up with a weighted roller or by walking on the surface. Give special attention to ALL perimeter edge areas.

Repair holes, fish mouths, tears, and any other penetration damage to the membrane with a round patch of membrane extending passed the damaged area by 6 inches in all directions. Do not install fasteners through membrane over any unsupported areas of the structural deck, such as over joints between adjacent structural panels.

Cobalt Ultra is a moisture and vapor barrier and therefore must be installed above a properly ventilated space(s). Follow ALL building codes applicable to your geographical region and structure type. Cobalt Ultra is not designed for indefinite outdoor exposure. Final roofing should be installed within 180 days of underlayment installation.

CAUTION – Read Good Safety Practice Below

 

As with any roofing product, always follow safe roofing codes & practices (OSHA) and always use and wear fall protection devices when working on roofs. Release liners are slippery and should be removed from work area immediately after application. Use caution when walking or standing on Cobalt Ultra as slip resistance may vary with surface conditions, weather, footwear and roof pitch. Failure to use proper safety gear and footwear can result in serious injury.

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