The handy sized 750ml version meets the roofers need for a highly portable option for the fixing of rigid insulation boards on smaller commercial and residential roofs.INSTA-STIK Roofing Adhesive 750ml will bond up to 14m2 of roof insulation board (based on 19-25 mm beads at 300mm centres.Features and Benefits EconomicalQuick and easy installationMinimal or no wastageRe-useable applicator gunFast cureStrong bondSuited to a wide range of surfacesNo messNo hot works or naked flameApplicationINSTA-STIK is applied to the roof substrate in beads or ribbons, the roof insulation board is then placed on to the beads straight away or within 10 minutes and will be firmly adhered typically within 20-30 minutes.For bonding insulation to a variety of vapour barriers and existing roof surfaces including: Bitumen feltAsphaltMetalPlywoodOSBConcrete