thats the one I usefiver..
Puraflex 40 PU Sealant & Adhesive
Noticing cracks or expansion in concrete? Purafelex 40 PU sealant will help you fix it quickly. It's a useful tool to have in any construction site or home, as it bonds to most materials. This product will work on concrete, wood, metal, aluminium, polyester, glass, uPVC, stone and ceramic.Thanks...www.toolstation.com
already have that used it many times but not suitable for what I want.I like this product. Get it at the Pound Shop, £1.oo (Made in Germany)
Edit: Long shelf life if you put the cap on correctly, Had this tube several years and used it recently; its still good.
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