Sealant. The sealant shall be applied through an applicator manufactured specifically for this purpose. Essentially the equipment for the hot sealant shall consist of a mobile vessel capable of heating the sealant to the required application temperature by indirect heat, controlled by a thermostat to prevent overheating. A calibrated thermometer shall be fitted in an accessible position to accurately measure the sealant temperature in the tank. Special pumps, which can deliver the sealant to the crack in a controlled fashion, shall be used. Proprietary brand seals shall be applied as specified by the suppliers.
Sealant. Special grade of silicon sealant non-hardening, neutral cure type of approved make and grade shall be applied at all side laps and end laps (with flowable mastic) as per manufacturer’s recommendations and approval by Engineer-in-Charge. Sealer for side lap, end laps and self – flashing windows shall be two way self adhesive tapes 6mm wide 5mm thick asbestos fiber filled, pressure sensitive. The sealer shall be non-asphaltic, non-shrinking, non-drying and non-toxic and shall have superior adhesion to metals, plastics and painted surfaces at temperatures from 50 degree to 104 degree centigrade.
Sealant. .1 Internal: selected by curtain wall manufacturer.
Sealant. All sealants shall be silicone and resistant to ozone and ultraviolet light and conform to Federal Specification TT-S-00230C.
Sealant. Typically, a butyl tape used in the construction of Windows to seal and join the Glass to the Window or door frame.
Sealant. A. Joint sealant and primer shall be polyurethane-based, one component, elastomeric sealants, complying with Fed. Spec. TT-S-00230C, Class A Type 1. Color shall be as selected by the Owner. Sealants shall be self-leveling pour grade type.
Sealant. Silicone sealant with an amine cure system with primer shall be used to waterproof all flashings and rainwater goods, viz. gutters and down pipes. Two runs of silicone shall be provided at end overlaps.
Sealant. .1 Apply sealant in accordance with manufacturer's written instructions.
Sealant. The sealant shall be used to seal lap joints, bolt connections and sheet edges. The sealant shall cure to a rubber-like consistency and have excellent adhesion to the glass coating, have low shrinkage, and be suitable for interior and exterior exposure. • The sealant shall be a one component moisture cured polyurethane compound. • Where required, the sealant shall be suitable for contact with potable water and meet Regulation 31 or NSF Standard 61 where specified. • EPDM or Neoprene gaskets and tape type sealer shall not be used other than for shell manway door/hatch. • One (1) gallon of sealant applied in the reservoir shall be provided by the Contractor as spare to the Owner.
