This will prevent the solution from draining in your direction.
Removing roof tiles from inside.
Continue tearing off the shingles and underlayment until you reach the roof jacks then start over at the top of the roof.
If you are removing any tiles from your roof it is a great idea to store them for use in the future.
Push the shingles down to the roof jacks.
Unfortunately roof tiles cannot be replaced from inside.
Answered 22nd jan 2016.
70 years is more than enough time for any roof especially if it has clay rosemary s on it and it sounds like they have blown.
Keep your old roof tiles.
Then use a brick trowel to lift up the broken over the baton underneath and slide it down and out.
That way you can be sure you have got an exact match if you need to replace a tile later on especially if your roof is a bit older.
Once you have safely gotten to the broken tile you ll need to slightly lift the tiles that overlap the one to be removed.
Continue spraying until you see runoff then let the chemicals sit for 15 20 minutes to soak in and begin attacking the mold.
This video from bunnings shows you how to take a tile off and replace it prop.
Roof tiles can break easily and in most ca.
Spray the entire roof thoroughly.
There is obviously no felt on the roof either so it looks like you are going to need a new roof.
If you do not have a scraper use a garden spade with a flat blade to hook the tiles underneath.
Remove tiles from the roof ridge first.
I d tend to agree with agl above.
Work your way through the top row of tiles weakening and pulling them.
Remove shingles in a 2 to 3 ft wide section as you work down the roof.
This maneuver will help to remove the piles together with nails.
Start on lowest row of shingles and work your way backwards to the upper part of the roof.
The shingles will roll up like a ball in front of the fork.