New answers tagged brick
you did not mention the location of the leak. The most common leak area is where the roof meets the side of the chimney. Go on the roof and take a look at the nature of the protection at that point. Normally, metal flashing and a waterproof material bridge from the roof to the chimney UNDER the finished roofing material (shingles, tiles, etc.), so a ...
If it is mortar marking (and it looks like it is), you should be able to get it off with brick acid (hydrochloric acid) and a wire brush. It's pretty nasty stuff though, so be sure to wear suitable safety equipment. If the marking is efflorescence (salts coming out of the brickwork) brick acid won't always take that off the faces of the bricks.
There is a product called Sure Klean® that is used nowadays. I am sure there are other brands out there too. Muriatic acid used to be used, at least it was when I was a masons helper, but I think Its availability is regulated. Sure-Klean has it, just in small amounts I guess. It needs to be diluted and protection worn, it pretty caustic stuff, so read the ...
An arch (if engineered correctly) is self supporting. No need for a lintel at all. From the looks of it, that arch is more than adequate to hold the brick above so I'd say that wooden piece is merely a filler--not a structural element.
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