Product Description:
Everbuild Puraflex 25 is a one-part Polyurethane Sealant is a premium quality one component low modulus sealant designed to replace conventional one part Polysulphide sealants in most applications.
Advantages
– Excellent adhesion to most building Substrates.
– Over paintable – preliminary test required before use.
– Solvent-free and odourless.
– Movement Factors Butt joints: 50% (not to exceed +/- 25% in any one direction)
– Lap joints: 100% (not to exceed +/- 50% in any one direction)
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– Most construction, expansion and dilation joints in brickwork, stone and concrete structures, vertical and horizontal.
– Capping to beaded glazing systems.
– Sealing and pointing pre-cast concrete panels.
– Light traffic floor joints.
APPLICATION
PRIMER
When using Puraflex 25 on new concrete, use Sika Primer – 3N.
SUBSTRATE PREPARATION
All surfaces must be clean, dry and dust-free. Any loose or flaking surface coating should be removed before application.
LIMITATIONS
– This product should not be used on surfaces that bleed oils or plasticisers.
– Do not use in conjunction with bitumen or asphalt – use WEATHERMATE.
– Do not use in aquaria or as a mirror adhesive.
Test compatibility with all substrates and paint systems before full-scale use. May increase the drying time of alkyd paints. Overpaint within 24 hours when using water-based paints.
– Do not use on Polypropylene, Polyethylene or Teflon.
As the quality of uPVC; ABS and most plastics vary dramatically, always carry out adhesion tests before full-scale use. Do not use in swimming pools or joints in constant water immersion.
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