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   Caravans and Caravanning -  Caravan Repairs, Servicing and Maintenance 		Share   Post on X / Twitter  Share on Facebook  Email  Printer Friendly Version Print
Subject Topic: Sikaflex 512/221. whats the differemce?? Post Reply Post New Topic
PersonBill the Bus
30/3/2009 at 8:33pm
 Location: Fleetwood
 Outfit: Dacia Sandero stepwa View Bill the Bus's Profile View Profile   Reply to Bill the Bus Reply   Quote Bill the Bus Quote  
Joined: 19/1/2003

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Can anyone tell me what the difference is between these 2 sealents. Both appear to do the same thing. Looking at neatening up and backsealing on the van we just bought. Mainly on the overwindow strips.


Persondaverk
30/3/2009 at 10:21pm
 Location: Lichfield Staffordshire
 Outfit: 2009 Bailey Sancerre 4 Birth View daverk's Profile View Profile   Reply to daverk Reply   Quote daverk Quote  
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Acording to the C.A.K. Tanks Ltd Catalogue which sells both, it says that 512 has very similar properties to 221, but has improved bond strenth and cure times. I have used 221 to bond new spars, polystyrene and the panels in my van and am very pleased with the result. They use 221 in the Haynes caravan manual to reseal awning rails and say that no screws are needed except for a couple just to hold it in place while it sets.

 

Dave


Personukgrp
23/4/2009 at 9:20am
 Location: None Entered
 Outfit: None Entered View ukgrp's Profile View Profile   Reply to ukgrp Reply   Quote ukgrp Quote  
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Instead of sikaflex have you thought of Fix All by Soudal? It is recomended by Swift caravans for all their maintenance and repair work. Find a link below and see what you think:

http://www.uksealants.co.uk/product.asp?idproduct=58

 

Alastair


PersonFM02MZO
23/4/2009 at 1:03pm
 Location: castle Donington. Nr.Derby
 Outfit: Hobby NJ2282 View FM02MZO's Profile View Profile   Reply to FM02MZO Reply   Quote FM02MZO Quote  
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221 is a non setting flexible sealer and 512 is a non setting flexible mastic

-------------
Regards
Terry Birch
Our tourer days are over and we have moved on to a Hobby Motorhome



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