FYF construction in Ellsworth

Serving Downeast Maine
From Bangor To Machias

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Located In Dedham: 207-745-9216


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FYF Corp. Services Bangor to Machias and in Ellsworth, Bar Harbor and Blue Hill

FYF Corp. - Building High Quality Slabs on Grade

Concrete slab Construction presents many variables that must be considered before a concrete pour begins. Because of concrete's setting time, a slab pour requires efficient planning so that all of the elements required to place a good slab are done in time and done correctly. Some of the issues to consider include proper subgrade preparation for concrete slabs, calculating proper water-to-cement Foundation Contractorsratio in the concrete mix, placing control joints, allowing proper curing time, and much more. Here are some useful links to help you evaluate all of the elements associated with pouring high quality concrete slabs Installing concrete slabs, walks and driveways are the most common uses of high strength concrete mix however there are many different projects requiring slab Construction. Slab Construction requires the minimum thickness of concrete to be 4 inches. Many projects will call for a ready-mix truck so the concrete mix works well.

The installation of a concrete slab, when done properly, will provide years of a durable, maintenance free surface. Concrete slabs are used as sidewalks, driveways, and as a base for sheds or equipment, just to name a few uses. High Strength Concrete and Ultra High Strength Fast Setting Concrete are both excellent products for these applications.

High Strength Concrete is used for those jobs where it is convenient to allow the slab to sit undisturbed for a minimum of 24 hours. Ultra High Strength Fast Setting Concrete is used for those applications where you need to place weight on the slab the same day and where a much higher strength is required at both early and late stages of development.

Site Preparation
Once you have decided where to place the slab, you must prepare the ground on which the slab will lie. Preparation of the ground is extremely important. Failure to provide a good bed for the concrete may result in cracking and shorten the life span of the concrete. We wil remove all obstructions including rocks, grass and roots. Fill in and compact all soft spots with a granular material such as All Purpose Gravel. Stake out the area for the slab using a T-square, measuring tape and twine. Use a level to ensure proper placement and slope of lines. Remove the sod and soil to the desired depth remembering to account for the width of the forming lumber.

Installing the Forms
Concrete slabs should always be a minimum of 4" thick. When pouring concrete for a sidewalk or driveway, 6" is the normal suggestion. We will place the forms in position and nail them together. For smaller slabs a slight trench may have to be dug so that the forms do not extend above the desired height. We will then brace the forms by placing the stakes outside of the form about every 2 feet. Then we back fill the area outside of the forms with soil to prevent bulging and concrete from seeping out. If the slab is being installed immediately adjacent to a building, our forms will create a slight slope away from the building. This will help drain water away from the building. Additionally, a slab should never be allowed to touch another existing slab, building or curb. We place building paper or polyethylene between the new and existing structures. This will allow the slab to move independently thus reducing cracking. When constructing slabs in areas of  poor drainage, several inches of All-Purpose Gravel should be placed under the concrete.

Concrete that will be visible, such as slabs like driveways, highways, or patios, often needs finishing. Concrete slabs can be finished in many ways, depending on the intended service use.  Some surfaces may require only strikeoff and screeding to proper contour and elevation, This is usually the case when the finish will be covered up. An example of this would be with slate or flagstone.

 Screed and strikeoff
  While for other surfaces a broomed, floated, or troweled finish may be required. In slab Construction, screeding or strikeoff is the process of cutting off excess concrete to bring the top surface of the slab to proper grade. A straight edge is moved across the concrete with a sawing motion and advanced forward a short distance with each movement.  This process requires at least 2 or more people to screed.

 Jointing and grooving
  Jointing is required to eliminate unsightly random cracks. This way if a crack does occur , which is quite common, it will follow the control joint. Contraction joints are made with a hand groover or by inserting strips of plastic, wood, metal, or preformed joint material into the unhardened concrete. Sawcut joints can be made after the concrete is sufficiently hard or strong enough to prevent raveling. These are usually cut 1 1/4" - 1 1/2" deep.

 Floating and Trowel
  After the concrete has been jointed, it should be floated with a wood or metal hand float or with a finishing machine using float blades. This embeds aggregate particles just beneath the surface; removes slight imperfections, humps, and voids; and compacts the mortar at the surface in preparation for additional finishing operations. Where a smooth, hard, dense surface is desired, floating should be followed by steel troweling. Troweling should not be done on a surface that has not been floated; troweling after only bullfloating is not an adequate finish procedure.
 

Brooming
A slip-resistant surface can be produced by brooming before the concrete has thoroughly hardened, but it should be sufficiently hard to retain the scoring impression. Keep in mind that brooming the surface too soon causes a very unsightly finish.


Our professional staff will answer any questions you have. Customer satisfaction is our #1 priority!

We Offer Services For:

•Driveways
•Sidewalks
•Curbs
•Resurfacing
•Artistic Stamped Concrete
•Smooth Concrete

With FYF Corp. Services of Ellsworth, Maine you get more than a strictly residential contractor, and you will have priceless peace of mind knowing that the concrete Construction in your home incorporates the strength and safety you would usually only find in a commercial project.

"When You Need Concrete call FYF Corp. "
Concrete Slabs in Downeast Maine Since 1989.
Concrete Construction Services in Ellsworth Maine

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73 Rowe Brook Road •Dedham, ME 04605 PH: 207-745-9216

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