Reinforced Storage Tank Linings: Advantages and Applications

From JPCL, August 2014

By Matthew Fletcher, International Paint Ltd.

The author explains the benefits of using different types of reinforced lining systems to mitigate underside corrosion in steel chemical storage tanks....


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Tagged categories: Chemical resistance; Coating Materials; Corrosion protection; Formulating; Linings; Tank interiors; Tanks

Comment from lawrence whaley, (12/8/2014, 3:12 PM)

Hi all i am due to start a project applying a reinforced lining to the internal of a large tank. The tank in question is riveted and what concerns me is applying the fibreglass matting over the rivets due to air entrapment due to the awkward shape. Has anyone used this system over a riveted tank and if so have you any advice to enable the project runs to plan. Thanks L Whaley


Comment from Matt Fletcher, (12/9/2014, 4:26 AM)

Hi Lawrence. For areas such as rivets, welds, plate overlaps, corners and deep pitting we would use a caulking product that is compatible with the lining. The caulking product is basically a paste grade product which can be built up to higher thicknesses. This is used to fill the uneven area and produce a smooth, continuous surface over which the reinforcement mat can be applied without entrapping air.


Comment from lawrence whaley, (12/9/2014, 5:19 PM)

Thanks for your speedy reply. The problem i think i will have is the specification does not allow for caulking of rivets,only overlaps,pitting and corners .Hopefully it all runs to plan but expelling the air entrapment could become a massive problem. Thanks for your advice i will keep you updated.


Comment from Matt Fletcher, (12/10/2014, 3:57 AM)

Hi Lawrence. In my opinion the specification and final quality of the lining would be greatly improved by including caulking of the rivets. I would try as hard as possible to convince the owner that a specification change now may reduce labour (it will take a while to get the mat over the rivets and push out all the air out) and will increase the chances of the lining being correctly applied. Matt


Comment from Michael Harrison, (7/4/2017, 11:49 AM)

All - there are a lot of things which need to be considered when caulking rivets - would almost take as long to go through them as Matthews paper. I am happy to take this up as a separate issue.


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