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Water will often penetrate the outer envelope of a building and appear inside. Common defects include: Roof defects such as faulty flashing, cracked or missing slates or tiles. Faults in the brickwork or masonry such as missing or cracked pointing. Porous bricks or stones. Missing or defective mastic around windows and doors. Blocked weep holes.
Sulfate attack typically happens to ground floor slabs in contact with soils containing a source of sulfates. [2] Sulfates dissolved by ground moisture migrate into the concrete of the slab where they react with different mineral phases of the hardened cement paste. The attack arises from soils containing SO 2−
It can be as pleasant as the scent of an apple pie warm from the oven or it may be an unpleasant odor that wrinkles your nose. If you still get a whiff of stench after your regular cleaning, it is ...
Discover essential home safety tips with "10 Home Odors You Should Never Ignore." This vital guide alerts homeowners to potential dangers lurking behind common household smells.
Other "pop rocks" are small polycuboid pyrite concretions, which are as much as 7 cm (0.23 ft) in diameter. These concretions are called "pop rocks" because they explode if thrown in a fire. Also, when they are either cut or hammered, they produce sparks and a burning sulfur smell.
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In poured concrete foundations, cracks and pipe penetrations are the most common entry points for seepage. These openings can be sealed from the interior. Epoxies , which are strong adhesives, or urethanes can be pressure injected into the openings, thus penetrating the foundation through to the exterior and cutting off the path of the seepage.
Sick building syndrome can be caused by one's home. Laminate flooring may release more SBS-causing chemicals than do stone, tile, and concrete floors. [17] Recent redecorating and new furnishings within the last year are associated with increased symptoms; so are dampness and related factors, having pets, and cockroaches. [17]