All cracks are not the same, and many have no bearing on the stability of the wall. First the holes. Holes are either places where material has fallen out or they were intentionally made during or after construction. If material has fallen out, we will consider those as part of the cracks, otherwise, someone made …
Author Archives: Ian Marr
What should I look out for if someone asks me if they can partner with my construction company?
Liability! You need to have a clear understanding of who has access to what. Do you trust this person? By becoming a partner you gain a lot of access to the other partners. In a good relationship, they can take care of things on behalf with only limited knowledge on your part. In a bad …
Where are second class bricks and third class bricks used?
We use them for decorative walls. Second class bricks are slightly deformed, mostly without sharp edges. Third class bricks are lumpy. These are great for old style walls with curves and scrollwork patterns in the walls. They also work well for brick and rubble walls.
What is the relevance of a building foundation?
Foundations provide two general conditions for buildings: A transition or interface with the ground upon which the building sits or touches. A stable and uniform structure in which the building can be constructed upon or within.
Why does concrete dry from the expansion joints/cracks first after it’s done raining?
Generally for two reasons. Better drainage at joints/cracks Larger surface so quicker evaporation
Which cement is used in dam and hydraulic construction?
Type V, also called sulphate resistant cement, along with Type IV, also called low heat concrete.
What will happen if you pour an asphalt sealer over a concrete driveway?
You will get a thin layer of asphalt or epoxy (if it is an epoxy type sealer) on top of your concrete. I wouldn’t expect a great finish as most asphalt sealers expect asphalt beneath them. It will probably grab well in some places but not in others. Also, it will probably stain your concrete …
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Is it possible to use solid concrete blocks for foundation instead of size stone in loose soil condition?
Yes, but it isn’t your best choice. Using solid concrete blocks is very much like using stone walls as a foundation. Either the ground or the blocks will need to be shaped to meet the needs of the building. Mostly nowadays we use either reinforced concrete or reinforced concrete masonry units (CMU). Both of these …
Can you put new plywood over old plywood on a roof?
Yes, provided that the existing plywood is in serviceable or good condition. But, remember that you still want to nail it into the joists, not just the plywood below.
What would traveling be like if the Earth were as large as the Sun?
Rather as several others have mentioned the Earth would have ignited as star under the force of gravity. Due to the “surface” temperatures, you’d get to experience travel as a plasma or a gas cloud. As you moved along an essentially turbulent ocean of similar material you would notice (if somehow you retained consciousness) that …
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