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Cover Foundation
Pouring a Foundation
Pouring a new foundation for an addition
When you are building an addition onto your existing home you will most likely need to pour a new foundation for the new addition. You can also build your addition on Piers, this is OK for three season rooms or sunrooms but not recommended for year round living additions, such as bedrooms, bathrooms and kitchens. Before your contractor begins excavation he should have the area surveyed for any underground utilities. Underground gas lines, power lines, sewer lines, water supply lines, septic tanks, oil tanks are just a few of the possible obstacles your contractor may need to go around. If any of these are in the way they will need to be moved prior to excavation.
A typical foundation will consist of three primary parts, (1) the footing (2) the wall (3) the floor. A typical foundation is almost always poured in the three steps.
First the foundation area will need to be excavated to the desired depth. The depth will depend on the type of foundation. A full basement will require a hole to be excavated at a depth of about 8-10 feet. A crawl space will require a hole to be excavated at a depth of 3-4 feet. The footing should always be at least 42” below grade (surface of the grass) in the northeast. Your contractor should know all of your local codes. If you are adding a full basement don’t forget that your contractor will cut an opening from the existing basement to the new basement. That can get messy so make sure that all of your valuables in the existing basement are covered to be protected from excessive dust and make sure that your valuables are far away from the area where the cutting will be done. A concrete wall cutting machine is very dusty and messy.
(1) The footings have been poured and the area under the slab and around the footings is filled with crushed stone to help with drainage so that water does not penetrate through the foundation and enter the basement. Plastic drainage piping has been installed around the outside of the footings and covered with geofabric. A groove is carved in the top of the foundation so that the newly poured concrete for the walls will be fastened to the footing. This groove prevents the wall from sliding off of the footing when lateral pressure is applied.
(2) The walls have now been poured. Once the walls are poured the forms are stripped and the outside of the foundation walls get backfilled. Notice the perimeter fencing around the foundation. It is very important that your contractor always has perimeter fencing up around the foundation, especially overnight when the contractor is not there. This is extremely important; your homeowners insurance could be liable for any injury in the case that someone falls in. A thick plastic sheeting has been placed over the crushed rock to help in preventing moisture from getting through the concrete slab and into your basement. Once the plastic is placed we are ready to pour the floor.
(3) Once the concrete floor has been poured we are ready to begin framing. The concrete floor of your basement should be smooth and level. A good foundation contractor can do this relatively easily.
The Details
A concrete cutting machine sometimes called a wall saw or a wet saw is usually powered using a hydraulic motor. The main hydraulic pump is usually mounted to a truck and the saw is connected using hydraulic hoses. Water is used to lubricate the blade and to control the dust. Make sure you protect the inside of the basement with a plastic sheet.
A concrete pump is needed when a cement mixer cannot access the construction site. Many times additions are built in the back of a house and there is not enough space for a large cement mixer to get around the sides of the house. Sometimes a cement mixer has enough space to get to the cosnstruction area but there is a hill that is too steep, or sometimes the cement mixer would have to drive over a septic tank to reach the construction area. If you have a septic tank make sure it is marked on you property so that no heavy equipment can drive over it. A cement mixer vegicle that is full of concrete can wieght 80,000 pounds.
Pinning the new wall to the existing involves drilling the existing foundation and driving in rebar. The rebar will act as a mechanical fastener between the new wall and the existing wall. This is a must. If your contractor doesn’t do this there is a good chance that the concrete wall will break and cave in when he is back filling. These pins keep the new wall from pushing in when there is a lot of wieght from vehicle driving around the perimeter of the foundation.
Waterproofing the outside of a foundation wall is very important. This can be done either by rolling the water proofing on or spraying it on. The water proofing should cover the walls, where the walls meet the footings, and especially where the walls meet existing foundation. The seam where the walls meet the existing foundation is the most crucial area to water proof. A good contractor will cover this area multiple times. That seam is the most vulnerable point where groud water can enter the basement. Waterproofing material is usually tar based or rubber based.
Drainage is the most important method to eliminating water intrusion in your new basment. A good drainage system should take any water away from the foundation. Water that’s runs off of the roof should be controlled using gutters and down spouts. The downspouts should have extensions on the groound so the rain water is not dumped directly at the base of the foundation. You can also have your contractor lay draiange piping around the foundation. Solid drainage piping can be used to collect the rainwater and discharge it far away from the house. Perforated drainage piping can be installed around the perimeter of the foundation to collect ground water and carry it away from the foundation.
Pre-Cast basement entrances are installed after the walls have been poured. The precast basement entrance can be ordered from a local concrete supply company. Usually your contractor will take care of ordering the unit. The supply company that delivers the basement entrance will also install it. It is usually craned into place where the concrete contractor has left an opening for it. It is bolted to the new foundation and waterproffed. Then the actua metal door will be installed. Most companies use Bilco doors. Don’t forget to paint them at the end of the project, the factory color is usually just a primer paint.
Darius Kania
About the Author
Darius Kania is part owner of Simply Additions which is more widely known by their famous website www.SimplyAdditions.com Darius works as a Project Manager, Business Owner, and author for the company and website. Simply Additions is a home remodeling company focused on home addition projects and custom home building.
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Does bare Minerals Foundation cover green concealer?
I have Bare Minerals Foundation Powder but I feel I need some more coverage now because of some facial redness...if I were to buy green concealer would bare minerals cover it? I don't want to go buy some if it obviously wouldn't cover.
I used to use a Mineral Makeup, but I still used a cream concealer. You have to remember that mineral makeup, Bare Escentuals in particular, are sheer to Medium Coverage, not full. If you have the green concealer, you may not be able to cover it up as much as you want. The best thing that you can do is buy a Full Coverage concealer that's as close to your skin tone as possible (not lighter, it will only highlight dark circles more), and use that before your Mineral Foundation. I use Urban Decay's and I love it. This will make you look flawless and cover up any unsightly circles easily. Try to use a primer beforehand as well. I like Pop Beauty's with a bit of liquid luminizer in it, but if you're looking for an inexpensive one, Rimmel, Revlon, and Natural Beauty by Sally Hansen all carry a primer. This will help make the coverage fuller and stay on longer. If you have redness over you entire face, you might want to put on a Tinted Moisturizer to give you a bit more coverage before you put on your makeup. So the steps for your makeup would go:
Face Cleanser
Toner
Tinted Moisturizer
Foundation Primer
Concealer
Bare Escentuals
Mineral Veil
This will give you full coverage, and will still be as light as not wearing anything, and will still be good for your skin. Good luck!
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