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Anon Deleted Posts : Location : Status : Offline |
roof covering on my Glendale it has an ali. roof which although it is secure it isn't stuck on the roof board. it may have been glued when first fitted 35 years ago. what I want to know is if I secured it with screws with silicon all over them would it be stll waterproof or should I inject glue into it |
 Sat 28 Jun 2014 @ 22:06
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bluebedouin Global Moderator Posts : 2444 Location : Northampton,England. Status : Offline 
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If it's secure,why do you need to screw it down? ---------------------- |
Sun 29 Jun 2014 @ 13:10
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Gethin Card Holder Posts : 462 Location : east lancs Status : Offline 
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using screws will only make the roof worse . the aluminium needs enough room to expand in the heat and will eventually cause any screws you put in to enlarge the holes allowing water to enter . silicone is not recommended for roofs as it has no give and dry's up and cracks with sunlight. |
Sun 29 Jun 2014 @ 18:19
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Anon Deleted Posts : Location : Status : Offline |
roof covering Hi all,would Mastic be better for this as it does not dry and stay,s flexable ?Cheers,Jim.---------------------- |
Sun 29 Jun 2014 @ 20:54
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Gethin Card Holder Posts : 462 Location : east lancs Status : Offline
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best item to use is sikaflex or tigerseal as both stay rubbery and form a water tight seal. |
Sun 29 Jun 2014 @ 23:13
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