Hi all
How is it possible to replace individual interlocking tiles, without stripping the whole roof? The tiles are cast (concrete derivative?) and have a single securing nail to the top edge. One side of the tile locks under and the other side locks over the adjacent tiles. I can't see how these can be removed individually, but equally, can't believe that tiles are made such that you have to strip the entire roof to replace one!
TIA
Phil
I think you lever up the 'course' above, use one of thse fork things to pull the nail out, and slide the tile down off its adjacent friends.....if the tile has a lip that hangs over the battens the replacment seldom gets nailed at all.
However its not hard to lift and replace a whole section to do it 'properly'
IME, they aren't nailed, except possibly the odd one at the edge. You can normally slide the ones above and to the sides up, and then manhandle a tile out. There may be some interlocking patterns for which this isn't possible though.
If the tiles are all nailed, very difficult, if not quite simple. If all nailed you will require, a trowel, pair of grips or nail pinchers, two blocks of timber about 1 1/2" square 6" or 9" long and a hammer.. First left the tile above right, with the trowel and place one block of timber underneath to hold up, do the same to the left hand side tile. If the tile you replacing is broke, brake it with the hammer into small pieces as to be able to remove it easier. With the pinchers or grips you should be able to remove the nail. To replace the new tile, slide the new tile in and under the left hand side first, push the tile up and under the tile above, With the trowel put it under the new tile and lift the head over the tile lath. Left the right hand tile above and take out the support timber and using the trowel to lower it down, don't use your fingers as you well get them trapped, repeat the same with the left hand side.
If the tiles are nailed alternative courses, just push the two tiles above up, this should reveal the tile head of the course below. Then its just a matter of lifting the tile out. You always insert this type of tile in from the left side first.
Be warned it the tiles you want to take out are near the verge or gable or less than three courses down from the ridge, be careful as you can some times snap the ones above. Don't forget to tie the ladder.
In areas of moderate windspeed like round here (London) you often only have to nail the tiles at the perimeter of the roof. To get one out gently wedge up the adjacent tiles on the row above then you may be able to remove your tile by lifting and twisting it. If it's nailed and the nail does not shift when you manipulate the tile you need to find where the nail is and cut if with a ripper - buy, hire or copy what I did last BH, make one from a Wickes £1.09 galvanised angle restraint strap with an angled groove cut in it using an angle grinder. Note that if the tile is very near the side or top of the roof it may be hard to replace without disturbing verge or ridge pointing.
CUT
CUT All concrete tiles should be nailed or cliped every other course and at eaves two courses below ridge and two vertical rows at gables. The reason for the double row fixing at ridge and gables is to stop the vortex from sucking tiles off.
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