Ronseal Isoflex Liquid Rubber Black Roof 750ml Ilr750

Isoflex works well but is costly and with very limited shelf life once opened

This is definitely good stuff for sealing up leaky flat roofs. The only down sides are that you need to buy additional products to prepare the surface etc for best results and this is already quite expensive for what it is. Also if you have a small repair to do Isoflex starts to cure in the tin as soon as it is opened and even if the lid is replaced correctly the product will only remain usable for a few weeks. Read full review

Verified purchase:  Yes • Condition: new • Sold by: buildandplumbma...

Almost does what it says on the tin.

Used on sloping cracked concrete tile roof valley, applied externally.
Easy to apply as a paint is, however, not runny enough to leak seek and not enough body to leak fill-as stated above 'a paint'.
'Seemed' to hold first shower but then the water got through.
It sticks ok to the concrete tile but does not bridge the crack.
Got tube of exterior black roof/gutter sealant -ALDI-applied to underside of tile with sealant 'gun' in March 2018 and it has held so far through some heavy rain/strong wind.
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ha ha rain

tried a few different things to seal the garage roof with to no avail but this done the job brilliantly not as thick as i thought it would be but this means that it will cover more area and will stop the leaky roof no problemRead full review

Verified purchase:  Yes • Condition: new • Sold by: _nWTxhtYS1m@Del...

The best roofing sealer

Used this liquid rubber on my flat roof and it work really well,It spread easily with a paint brush, When it dried it looked like a thick coated tar bitumen professional job ,well pleased with the look and felt sure it did a well sealed job. I will always use this in the future when needed.Read full review

Verified purchase:  Yes • Condition: new • Sold by: thepaintpod

Isoflex

This product does the job it is advertised to do. I have used it on a couple of occasions and it has always been good. The only con is if you only use half the tin and put the lid back on what’s left in the tin goes hard so don’t buy a tin that is too big for the jobRead full review

Verified purchase:  Yes • Condition: new • Sold by: transtools

GREAT 5 STAR***** PRODUCT

I have been using this on a flat garage for a number of years. It does a great job and lasts for a long period of time. Disappointed that local large store no longer stocking it. i was really pleased to get it on line.Read full review

Verified purchase:  Yes • Condition: new • Sold by: tradesupplieson...

BrilliantRoof Sealer - on cars too!

Isoflex sealed my old cars leaking sunroof when nothing else did. Just masked round the edges and painted it on. Can't open the sunroof any more, but worth it for a dry interior. Perfect on the shed roof too. Best product I have come across for sealing roofs.Read full review

Verified purchase:  Yes • Condition: new • Sold by: go4products

A very good sealant paint

This product does the job, Iv'e used on the shed, field shelter and my model boat!

Verified purchase:  Yes • Condition: new • Sold by: thepaintpod

It's has good as it says on the tin

I have had a leek at the bottom of my outside door I used this product and it has fixed the problem

Verified purchase:  Yes • Condition: new • Sold by: transtools

If you want a sealer this is the product

Have always used this sealer for bonding box gutter & plastic gutter as it is flexible excellent

Verified purchase:  Yes • Condition: new • Sold by: 1toolshop