Friday, April 23, 2010

How to Spot Low Quality Construction

Thinking about buying a home? Many of the cost cutting tricks used in construction are not visible to the naked eye. Unfortunately, cheap construction can cost a great deal more in the future, when low quality materials start to wear out and fail. Luckily, there are a few things a potential home buyer can see that may be a signal that the rest of the house is poorly constructed.

Check The Flooring

One of the first and most obvious signs of problems with a new or older home is issues with the flooring. Look carefully for an uneven flooring surface in areas like the kitchen and the entrance between rooms. An uneven flooring surface is both annoying to live with and an indicator of possible problems with the way the foundation and underground areas were built. Check wood floors and carpeting for gaps near walls and entrances that may indicate a sloppy or cheap installation as well.


Texas Laws Can Be Crazy For Builders and Homeowners


Windows And Doors

Many things can be inferred about a home's construction by the choice of windows and construction of window and door frames. Be certain that all external and internal doors open, close, and latch without any sign of hitting the frame. Look at the paint around the door frames in an older home for signs that the door might be hitting the frame in other seasons when the wood expands or contracts due to seasonal climate variations and humidity.

Make sure windows close with a solid seal, and check for double paned glass in newer homes and cold climates. While there is much more to a home than the windows and doors, a builder who skimped in these important areas is likely to have cut other corners as well.


Greenhouse Construction Considerations


Water Damage

Look carefully throughout a home for any signs of water damage or mold. Stains on the walls or ceiling should always be closely inspected for these issues, even if you are planning to repaint the home later. Make sure the areas in the bathroom where water will go, like the walls around a tub or shower, are well tiled or otherwise waterproofed.

Examine the area around the bottom of the toilet for signs of water damage or leaking, and make sure the bathroom floor is not rotting or coming loose near the tub, toilet, or sink. If the home has a basement, check the basement area for signs of water staining on the wall, floors, and near the sump pump.


Look For in a New Home Builder


Research The Builder

One of the simplest and most important things a potential home buyer can do to avoid low quality construction is simply researching the home's builder before making a purchase. If a home is new, it is simple to check with the better business bureau and online for a solid reputation.

For older homes, it may be necessary to find out if other similar homes in the area that have probably been built by the same company have any common problems. Ask local contractors if there are any known issues with homes in an area before buying and be sure to get a home inspection from a qualified professional.
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Wednesday, March 31, 2010

New Construction Home Builder

How it Works

The basic recipie for Construction Builder is very simple. You need to create an immutable object, which I'll call the product, in a gradual manner. So take each of the constructor arguments of the product and make a field for each one.

Add further fields for any other attributes of the product that you're collecting. Finally add a method to create and return a new product object assembled from all the data in the Construction Builder.

You may want to add some life-cycle controls to the Construction Builder. Such controls might check to see if you have enough information yet to create the product.

You might set a flag once you've returned a product to stop you returning it again, or put the created product in a field. You might raise an error if you try to add new attributes to the Construction Builder once you've created the product.

Construction Builders can be grouped into deeper structures that combine multiple Construction Builders. They can then produce a group of related objects rather than a single object.

When to use it

Construction Builder is useful whenever you need to create an object with multiple immutable fields, but you gather the values for these fields gradually. A Construction Builder gives you a coherent place to put all this data before you actually create the product.

The simplest alternative to Construction Builder is to capture the information in local variables, or loose fields. This works fine for one or two products, but soon gets confusing if you need to create a bunch of objects at once, such as when you're parsing.

Another alternative is to create actual framework objects but when you gather data for an immutable attribute to create a new copy of the framework object with that one attribute changed and replace the old one.

This saves you having to write a Construction Builder, but is generally more awkward to do and follow. In particular it doesn't work if you have multiple references to the object, or at least it makes it more difficult as you have to replace every reference.

Using Construction Builder is usually the best way to handle this problem, but remember you only need it when you have immutable fields. If that's not the case, then just create your product objects directly.
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