Aggregates is a general term applied to those inert (that is chemically inactive) materials, which when bonded together by cement, form concrete. Most are used in our country are naturally occurring such as sand, crushed rock and gravels. Artificial and processed aggregate may also be use for making concrete. This may be broken bricks or crushed air-cooled blast furnace slag.

Light weight aggregates, which are usually by-products of industries and are processed from natural sources or natural materials have a high percentage of voids and are, therefore, light such as pumice, furnace, clinkers, coke breeze, saw dust, foamed slag, expanded clays, and shales, expanded slates, etc., These are also used for the production of concrete of low density. The workability of concrete with lightweight ones and is greatly increased with air-entraining agents, and hence the use of many light weight aggregates is being made in concrete where high strength is not desired.

Classification

Aggregates for concrete are divided in to three categories,

1. Fine Aggregates: Most of which passes through 4.75 mm I.S. sieve and are retained on 150 micron sieve.

2. Coarse Aggregates: Most of which passes through 63 mm I.S. sieve and retained on 4.75 mm sieve.

3. All in Aggregates: Mixed aggregates, as it comes from the pit or riverbed. It is sometimes used for unimportant work without separating in to different sizes.

Uses

1. Naturally occurring crushed stone can be used for producing any type of good concrete or R.C.C for construction purposes.

2. Broken bricks are used for water-proof construction.

3. Light weight aggregates are used to produce low density.

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A brick wall is a awful accent to your garden or can be a simple means to create privacy in a yard. While being appealing they are also very simple to sustain when finished as they won’t acquire the cracks and cracks that cement block walls might. Bricks are supposed to be arranged against an already existing wall, so if you plan to build a brick wall it should not be too big. People often hire pricey contractors to construct even the lowest brick walks for their homes, but utilising the flowing guide will eradicate the need for doing that and provide a fun home design for do-it-yourselfers.

There are many various styles that a brick wall can be built in. The most common of which is the running bond or the way where each new row of bricks begins in the center of the row before. There are also the herring bone, diagonal herringbone, basket weave, and half basket weave. For the aims of this guide, the style being explained will be the Jack on Jack, where the blocks are placed directly on top of each other.

Required tools and Materials

The materials needed for building a brick wall include the following:

Cement
Bricks (the number of bricks required depends upon the length and the width of the wall)
Measuring tape
Shovel
Trowel
Leveling tool
Chalk

Instructions

Step one:
Measure out the proportions of the wall you want to build, length and height.

Step two:
Make the concrete base for the wall. This will ensure that the wall is flat once it is made. Mix the concrete as per the instructions on the bag and lay it out along the area that will be used as the base of the wall. It is okay if the width of the base is uneven as you will be able to cover it with earth once the wall is complete. Let the concrete to dry completely which will take at least one day.

Step three:
Once the concrete is dry, mark the length of the wall with chalk and a straight edge such as a piece of wood. This will be used as the guide to lay the first layer of bricks.

Step four:
Start building the wall from the left most side. Apply a liberal new layer of wet cement on top of the now dry wall base with the trowel. Spread the cement with an even back and forth motion.

Place down the first layer of bricks, moving from left to right without allowing any space between them. Subsequent layers will have a joint or space between each brick that is filled with cement.

Step five:
With the leveling tool see that the first layer is as level as possible. The cement will provide some amount of movement for misplaced bricks. Uneven bricks can be shifted to give evenness across the length of the wall. Remove the extra cement that is pressed through the sides using the trowel and use it for the next brick to be placed.

Step six:
Repeat steps four and five until the height of the wall you are making is achieved.

Tips and Warnings
Check with your local constructing agency before making a brick wall. Many laws will allow small ones (under 3 feet high) without it being necessary to file for permits.

Keep the bricks you will be working with in a wheel barrow to your right. This way they are within arms reach and can be easily moved as you move down the length of the wall.

Please visit these links for more information on: How to Build a Brick Wall and Build a Brick Wall.

A chimney is an important element for any home, new or old. You are completely reliant on your chimney to effectively channel smoke up, out and away from your home, keeping your home’s air healthy and free of carbon monoxide. Carbon monoxide (also known as CO) is a colorless, odorless gas that can be fatal not only to children, but their parents as well. When a flue develops cracks on either the inside or outside, you may have serious problems that could threaten the lives of your family. For these reasons, among the money saved by not hiring a contractor, any family who owns a home with a chimney should look into repairing, as well as performing routine maintenance on their chimney.

For older homes, their chimney is made of brick and mortar. Mortar connects the bricks together in a way that creates a long passage for hot air, smoke and other dangerous toxins to escape. As the mortar heats and cools day in and day out through normal use of your fireplace, it is likely to crack, and even wash out entirely after a period of 20 years. While this is typically long lived, and some homeowners feel they can simply wait it out, more often than not this requires a complete rebuild, rather than an inexpensive maintenance plan.

Before making any sorts of repairs, it’s important to first inspect and then make certain all debris is removed from the chimney walls. As time goes on, tar and other contaminants can build up, leaving thick layers of creosote on the flue walls. Historically, this has been done by a chimney sweep, using a sweep of a specific diameter to brush away the insides of the chimney wall. In addition, there exists products such as the creosote sweeping log, that releases chemicals designed to loosen up this buildup to make the sweeping easier.

From here, it’s simply a matter of stepping on to the roof of your home and inspecting the joints of the bricks for cracks and other faults. Once these are located, apply new mortar to the affected area, and let dry. While the joint does not need to be cracked in order for mortar to be applied, this will cost more than simply applying mortar to the affected areas. Beyond this, it is advised to hire a professional for deeper repairs. This type of work is not only skill intensive, but it can be dangerous given the height of most roofs, and should be left to a professional.

You can learn more about chimney repair costs, and get much more information, articles and resources about chimney repairs by visiting chimney repair.

EDGING. When it comes to edging, you have just about as many products to choose from as you do pavers. So, why so many choices? Edging is edging, right?

Wrong! The quality of the your edging can significantly impact the overall quality of your project. In order to maintain a high level of quality at all your paver project sites, you need to choose the best edging project for each individual job. The only way to do that is to become familiar with the edging products on the market. So, lets take a look at a few types of edging products.

STEEL EDGING

One of the oldest edging products in the industry is steel edging. Prior to the introduction of PVC edging, steel edging was probably the most commonly used edging. In fact, many contractors still use it today.

Pros:

• available in long lengths (between 16 to 20 feet), allowing more linear footage to be installed per section

• can withstand the extreme temperatures of asphalt, making it ideal for asphalt applications on driveways

• provides smooth vertical surfaces against the paving application

Cons:

• difficult to use in curve-linear applications

• anchoring stakes are spaced far apart, creating the risk of shifting or raising above the paving application

• difficult to cut

• rusts over time

TIMBERS

Timbers are commonly used as an edging restraint on patios and sidewalks.

Pros:

• works well for rect-linear applications

• solid installation with standard 6″ x 6″ x 8′ dimensions

• good for raised patio applications

Cons:

• more expensive than plastic edging

• heavy, making it difficult for one person installation

• may deteriorate and/or warp over time

CONCRETE EDGING

Occasionally, a project requires concrete edging to be poured on site.

Pros:

• extends well into the gravel base

• provides a solid vertical surface against the pavers

• superior strength, making it an excellent choice for vehicular and industrial applications

Cons:

• more expensive than plastic edging

• labor intensive

• tendency to crack or shift over time, especially in regions that experience freeze / thaw cycles.

PLASTIC EDGING

The most commonly used edging restraint is plastic or PVC edging. There are literally dozens of manufacturers who offer numerous plastic edging products.

Pros:

• less expensive than most other edgings

• quick and easy installation

• light weight and flexible

• very strong

• won’t deteriorate over time

• can be used in residential, commercial and industrial applications

• average length 8 feet

Cons:

• not recommended for asphalt or heavy industrial applications

So, that’s a quick look at the four edging products most commonly used by contractors. Remember, whether your project is a complex job or a basic installation, the proper edging must be used to maintain the quality of your paver application. A paver project without edging is a paver project guaranteed to fail over time.

Kurt Glave has over 28 years of professional experience in the Landscape / Hardscape Industry. He also started the original Hardscape Expo & Conference Tradeshow and is now a Regional Sales Manager for RCP http://www.silvercreekstoneworks.com

Applying the beautiful traditional look of brick gives your home a great makeover. However, by choosing a faux alternative, you can have that look without having to break the bank. Traditional bricks can be very expensive and can involve tearing down walls and additional construction to apply, but a thin brick veneer can be applied right on top of your existing walls. Supplying a completely custom experience, however you decide to decorate your house has become way easier and more personal.

The highly adaptable nature of brick veneer walls enable it to be put on almost any surface and fit any sort of specific look you have in mind. Faux brick is accessible in a spectrum of colors, styles, textures, and looks. Whether you want accents in your living room or a complete remodeling of your home’s exterior, a thin brick veneer can take your vision and make it reality. Whether you want the look of a 19th century red brick school house or an ultra-modern white brick facade, the adaptability of faux brick provides a great value. Since no walls have to be torn down, you can avoid additional costs for destruction and construction, saving you even more money.

It’s very easy to become fearful of do-it-yourself projects, but the application of faux brick is surprisingly quick and easy. If you’ve had bad experiences building a tree house for the kids, you will find no trouble in applying your new brick veneer. However, if you’ve become traumatized beyond the point of no return, a qualified professional is just as capable of applying the faux brick. The faux brick is only faux in its size. Made with actual clay and fired in an oven, your thin brick counterpart is made to look and resemble traditional brick in every way. Providing the same classic effect as traditional sized brick, a faux brick is a lighter, more affordable alternative to regular brick. Brick can be brittle and very expensive, but in investing in the cheaper faux alternative, adding a rustic element to your home is very easy.

Doing some research can go a long way in picking out your faux brick veneer. Deciding how and where to apply your faux brick is important, and the opinions of friends and professionals can aid in making your home look as great as possible. Architectural jargon can be pretty intimidating. Learning just a few and applying them to your home not only makes you more knowledgeable in the placement of your brick panels, but also more confident in your choice. Having specific ideas in mind can make the decision making process easier and will end up in your new brick accents looking their best.

A faux brick veneer offers literally all the benefits of brick without the inconvenience of a construction crew, a mason, or a smaller wallet. Just a few accents can instantly makeover your home, and it has never been quicker or easier. Whether you want the look of a New Orleans waterfront restaurant or a Virginian countryside cabin, a brick veneer wall can add an instant touch of charm to your home.

Polishing marble is necessary when a polish finish stone becomes scratched or etched to the point it becomes dull. The other reason marble requires polishing is if the customer has a stone that comes to him with a hone finish and he desires it to be polished. These are the only two reasons I can think of a stone should be polished. Refinishing to eliminate wear or changing the tiles from a hone to a polish.

Stone is available in two finishes: hone or polish. Polish is easy for most people to visualize – it is a shiny, glossy finish, and when viewed across a light source there will be a reflection. This is my definition of polish, I am sure there are others.

Hone finish is a bit harder for a customer to visualize. Honing is accomplished in two ways: with diamond or powder abrasives (there is another way, but lets just stick with the abrasives) These abrasives are available in different grits – from 30 to 3000. The hone finish will depend on the grit level of the process ends with. You cannot go to too high a grit level (usually over 220) or the stone will take on a polish look.

Which gets us back to the subject of polishing marble. Honing is a story for another day.

After the stone is taken through a grit progression (lets say 120,200,400,800) the stone will develop two things the stone expert looks for: clarity and depth of color. In the lower honing grits, the stone appears faded and white, with very little color. As the grit progression to the higher grits, detail in the stone (clarity) and color (depth of color) begins to return. As we approach the honing stage where the stone becomes recognizable again (all stone is different so this happens at different grits) we are getting ready to complete the final polish process.

There are several different final polishing methods available for marble. We sell one in our online store that is suitable for do it yourslefers. There are some applied dry and some applied wet. If the stone professional is experienced, they should be able to achieve a high gloss finish. The polish finish is accomplished through the use of heat and friction. One word of caution is not to allow a product called a crystalizer to be applied with a steel wool pad. This process will make it impossible to refinish in the future, unless more crystalizer is applied.

Harry Edenfield owns Restoration by Fabric & Tile Masters in Jacksonville Florida. Please visit us at http://www.fabricmasters.com for more information. Harry also authors the blog listed in the article above, where he gives information on a variety of topics related to stone counter tops, carpet, upholstery, porcelain and ceramic tiles, water damage restoration and mold removal. Harry is also a member of the IICRC, the Marble Institute of America, and is an Accredited Member of the Better Business Bureau of Northeast Florida.

One of the great benefits of brick pavers is the relative ease in which you can replace cracked, chipped, or stained bricks. While concrete brick pavers are very strong and should last a lifetime if sealed correctly, accidents do happen. An unsightly oil stain on your new driveway or a chip caused by a dropped item can drive you crazy if not repaired.

When a paver does need to be replaced here is a step by step guide for replacing the damaged brick.

If you are replacing several bricks be sure to mark the bricks first to ensure that you are replacing the correct size brick in the correct spot. This is especially important if you used a complicated pattern in your paver layout. If you are replacing loose bricks it is good to get the correct bricks back into the original slot.

Once the pavers are removed be sure to clean any debris from the cavity. A thoroughly cleaned area will ensure that the bricks fit back properly while leaving the proper gap between the existing brick pavers.

Put a layer of sand down next. Use a wooden masonry wood float, taking the time to push sand into all the corners. Use the float or your foot to compact the sand down thoroughly. Check the level of the sand with a level.

It is now time to place the new brick paver into position. Use the marks you made to match up the correct position. Use a screwdriver to make sure the gap is even on all sides.

Finally, pour sand on top of the new bricks, filling all the gaps evenly. A mallet can be used to tap the new brick pavers into place.

If all is done well your new bricks should fit in seamlessly with your existing layout.

To learn more about brick pavers and see some samples of beautifully designed and installed systems check out http://www.outbackcontractors.com.