Best fibre cement roof sealant

[Andrew K]

Got a few fibre cement corrugated sheets cracked on a tenants building that leak water occasionally. Unfortunately the roof is sprayfoamed underneath to 4" thick so just replacing the sheets would be messy and complicated besides creating hassle for the tenant.
I am thinking it would be easiest to just coat the offending six sheets generously with a durable and flexible sealant?
What would you recommend , anything out there better than just Bitumen solution brushed on thick?

Thanks,

Andrew.

 

[RWG Contracts]

Got a few fibre cement corrugated sheets cracked on a tenants building that leak water occasionally. Unfortunately the roof is sprayfoamed underneath to 4" thick so just replacing the sheets would be messy and complicated besides creating hassle for the tenant.
I am thinking it would be easiest to just coat the offending six sheets thickly with a durable and flexible sealant?
What would you recommend , anything out there better than just Bitumen solution brushed on thick?

Thanks,

Andrew.

Put a roof light over top of your sheet. That’ll seal the cracks

 

[RWG Contracts]

Otherwise. Concrete panel sealant is decent, make sure cracks clean and dry

 

[Andrew K]

Thanks, so just nail them down with sealant on the edges?

 

[RWG Contracts]

Thanks, so just nail them down with sealant on the edges?

Just nail them down as usual, I don’t think you’ll need edges sealing.

 

[Andrew K]

Just nail them down as usual, I don’t think you’ll need edges sealing.

Thanks for the advice, will give it a try.

 

[phillipe]

Just nail them down as usual, I don’t think you’ll need edges sealing.

Full of helpfull advice now you can't do owt else ,long may it continue ,

 

[phillipe]

A rwg problem page ,....ask Rob .....

 

[phillipe]

Dear Rob ,my penis is too large ......

 

[RWG Contracts]

Dear Rob ,my penis is too large ......

I struggle with that as well, whatever you do, when your woman complains, don’t tell her to take it like a man

 

[Tinman Steels Ltd]

We can supply a Grp or steel profile sheet if it is the big six profile.

 

[rob1]

Just nail them down as usual, I don’t think you’ll need edges sealing.

Do you cut off the original nails or just fit over them

 

[RWG Contracts]

Do you cut off the original nails or just fit over them

Take original nails out, or cut heads off, put roof light over, nail back down