Show LEAKY ROOFS DONT LEAK most roofs actually leak f for or from 4 to 5 years before the damage reaches the stage where water marks show on the top floor ceiling the reason f for or this is easily explained pla ined when a leak first starts it is so small that it rarely admits enough water to form a drip instead the slow penetration trickles down the under side of the roof and inside the walls finally with a hard rain the water entera in such volume that it drops down straight to the ceiling to prevent such leaks developing the I 1 underside of a roof should be periodically ri examined for dampness or wet stains |