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Techinical Information
NuFlex 458 All Weather Subfloor Adhesive

NuFlex 458 All Weather Subfloor Adhesive is the professional’s choice for subfloor installations and general plywood use. It is ideal for particleboard, OSB and engineered lumber as well as wet, frozen and treated lumber. It offers a strong initial tack, provides superior strength and remains permanently flexible. NuFlex 458 All Weather fills gaps and irregularities between materials and provides a more solid backup surface. It reduces the amount of nailing, increases floor. NuFlex 458 All Weather works extremely well in colder temperatures and offers excellent water-resistance.

Works extremely well in colder temperatures Ideal for plywood, particleboard, OSB, and wet, frozen and treated lumber Fills gaps and irregularities between materials to provide a more solid backup surface.

Working Surfaces: Surfaces to be bonded should be clean, dry and free from excessive oil, grease, water, dirt or any other material that may deter adhesion. Apply NuFlex 458 All Weather Subfloor Adhesive to each piece of furring, studs or floor joists to be covered. When bonding subfloors or wet, frozen and treated lumber, nail or screw each sheet as recommended by the American Plywood Association. Cleanup: Scrape off dried excess with putty knife. Remove residue with mineral spirits or equivalent solvent. Follow solvent vendor’s precautions when solvents. Note: Test solvent on an out-of-the-way area to make sure it will not mark or attack the surface. Limitations: NuFlex 458 All Weather Subfloor Adhesive is not designed for continuous submersion or for use on polystyrene foams. For polystyrene foam, tub surrounds and most other plastics, we recommend NuFlex 454 Multi-Purpose Construction Adhesive.

DANGER: EXTREMELY FLAMMABLE. VAPOUR HARMFUL. Contains hexane and toluene. Keep away from heat, sparks and flame. Use only with positive cross-ventilation. Avoid breathing vapours. Do not swallow. Do not allow eye contact or prolonged skin contact. Uncured product can cause eye or skin irritation. First Aid: If dizziness or other adverse effects are experienced, move to fresh air; call a physician if discomfort persists. If eye contact occurs, flush with water for 15 minutes; contact a physician immediately. If swallowed, do not induce vomiting; contact a physician immediately. Wash skin contact areas with soap and water; contact a physician if irritation persists. Prolonged or repeated overexposure to solvents in uncured product can cause central nervous system, peripheral nervous system, eye, skin, liver, kidney or respiratory system effects. For additional information, refer to Material Safety Data Sheet. KEEP OUT OF THE REACH OF CHILDREN. CALIFORNIA PROPOSITION 65 WARNING: This product contains, toluene, a chemical known to the State of California to cause birth defects or other reproductive harm.

Exceeds the performance requirements to the American Plywood Association AFG-01 Specification ASTM D3498 and ASTM C557.

NuFlex 458 All Weather Subfloor Adhesive is available in 858 ml (29 U.S. fl oz) cardboard caulking cartridges with nozzle which fit manual or air operated caulking guns, (12 cartridges to a case). NuFlex 458 All Weather Subfloor Adhesive is available in tan colour only. For sealant coverage or yields please see the “Coverage Chart” found in the “Application tip” section of the Nuco technical binder.

Shelf-life is 12 months from date of shipment from our plant when stored in clean, dry area with temperature between 40°F to 90°F (4°C to 32°C).

NUCO Inc., warrants only that its product will meet its specifications. NUCO shall in no event be liable for incidental or consequential damage. NUCO’s liability, expressed or implied is limited to the stated selling price of any goods found to be defective.

These values are not intended for use in preparing specifications. Spec Writers, please contact NUCO Inc. before writing specifications if any further information is required.

Type: Synthetic elastomeric polymer
Application Temperature: 0°F to 100°F.
Service Temperatures: 20°F to 120°F
Working Time: Approx. 20-30 minutes for a 1/4” bead.
State: Medium –viscosity mastic
Solids: 69%
Viscosity: 110,000 cps
Calculated VOC (less exempt solvent): 362 g/L
Weight/gallon: 9.8 lbs.
Flashpoint: Less than 0°F
Freeze/thaw stability: Stable
The information and data contained herein is BASED ON INFORMATION WE BELIEVE TO BE RELIABLE. Please read all statements, recommendations or suggestions herein in conjunction with our CONDITIONS of SALE which apply to all goods supplied by us. We assume no responsibility for the use of these statements, recommendations or suggestions, nor do we intend them as recommendation for any use which would infringe any patent or copyright.

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