Click to expand Tap to zoom Hawke Mastic by Hawke Transit Systems Description Hawke Mastic (Ref. 966) is used to secure installation in civil bolted frames and sleeves. Mastic should be applied between the flange of the frame and the structure to ensure a tight seal and avoid possible gaps Choose a variant Hawke Mastic - £0.00 Product No. Hawke Mastic Quantity Add to cart