Can you use gorrilla tape to seal a few roof tiles in order to be watertight

Found 3rd Jul
Perhaps a stupid question, I have a few tile tiles that have small holes approx. 1cm diameter, so leaking into my attic, so need it to be watertight would it be possible to use gorilla tape from the inside? or any other suggestions? I have an upper flat/converision so getting access to on top of roof not a option am afraid . Thanks for any advice in advance

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We used expandable wood foam filler and grease. But was only a temporary fix.

Original Poster

ame2607

We used expandable wood foam filler and grease. But was only a temporary … We used expandable wood foam filler and grease. But was only a temporary fix.


Thanks

As a temporary fix silicone/gripfill etc will do, make sure its dry when you do it.
Edited by: "mannyutd" 3rd Jul

Tape won't work, especially if you are doing it inside the loft! If you are doing it from the outside, sealant may hold temporarily. But the tiles will need to be replaced pretty pronto.

You'll be able to bodge this with a variety of things - as suggested above. Depending on how well you do the bodge it could last forever!

I like the idea of expanding foam - this stuff sticks well to most things! You don't say what type the tiles are - if they are slate have a go with a little sandpaper to clean/roughen up the underside of the tile, then perhaps have a go at scoring the surface with a stanley knife to provide a key for the foam. If it is a concrete tile then the surface will be rough enough.

Then squirt the foam over around the hole and use a disposable glove (or put your hand inside a plastic bag) and spread the foam so that to some is pushed through the hole. You don't want too much out of the hole as it could look a mess from the outside. The foam cures in a few minutes.

Similar if you use silicone sealant - ensuring there is a rough surface for the sealant to adhere to is the key part of the task!

Or you could try something like this .....

toolstation.com/sho…243

Could use it to stick some small sheet of metal to the underside of the metal - (a cut open baked been can smashed flat for example, of a foil pie dish).

Silicone sealant didnt work for us. Probably me though!

Original Poster

Many Thanks for the responses, guess Gorilla tape not the answer and will go down the silicone or expanding foam

Spent chewing gum....the council spend a fortune trying to shift the stuff.

you can buy a type of "bandage" is is called flashband - it is a foil/sticky tar type strip and you simply apply it to the surface where there is any leak, however i think it is generally applied on the outside so it may not work the other way.

screwfix.com/p/f…704

obv link is for REFERENCE ONLY.

Original Poster

Thanks for all your advice, appreciated

Van19733rd Jul

You'll be able to bodge this with a variety of things - as suggested …You'll be able to bodge this with a variety of things - as suggested above. Depending on how well you do the bodge it could last forever! I like the idea of expanding foam - this stuff sticks well to most things! You don't say what type the tiles are - if they are slate have a go with a little sandpaper to clean/roughen up the underside of the tile, then perhaps have a go at scoring the surface with a stanley knife to provide a key for the foam. If it is a concrete tile then the surface will be rough enough. Then squirt the foam over around the hole and use a disposable glove (or put your hand inside a plastic bag) and spread the foam so that to some is pushed through the hole. You don't want too much out of the hole as it could look a mess from the outside. The foam cures in a few minutes.Similar if you use silicone sealant - ensuring there is a rough surface for the sealant to adhere to is the key part of the task!

​Yes, expanding foam sticks to everything, wear something protective in your hands. I got it everywhere and for weeks looked like I'd contracted some sort of foreign disease!

CT1 is amazing stuff. Like silicone but mega strong, sticks anything to anything and can be used underwater.
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