Description: A water based acrylic intumescent sealant supplied in 310ml cartridges, available in white or grey. Typically used to provide a flexible seal to joints in blockwork or head of wall requiring movement of up to 10% and up to 4 hours fire and integrity. Can be applied in gap widths up to 25mm at a depth to width ratio of 1:1. It is also suitable for sealing gaps around pipes and cables. Intumastic incorporates the use of OptifireTechnology as standard.
Suitable for dry internal use only.
Can be over-painted using acrylic paints (must be fully cured before over-coating).
Tools off easily with water.
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