What should i put between concrete and tiles?



by J. Roger Baker

hen he found the first one, Simon didn't tell anybody. He tucked it away in the pocket of his dark grey overall suit and joined the other children who were drawing maps in the sand. That night, while his mother wasn't looking, he slipped it under his pillow. Jane kissed him good night and closed the door. As the light slowly dimmed to a sleep-inducing dark blue, he sat up and, leaning on one chubby arm, examined his discovery.

It was most interesting:1 soft without being squashy; bendy2 but with no spring to it; a beautiful new colour, and the scent was strange. He sniffed it again, it made him feel deeply uneasy somewhere inside. It reminded him of some thing, but he couldn't remember what. At five you don't worry overmuch about things like that and sleep comes quickly.

The next day its colour was darker, almost black. It got nasty and squashy later, so Simon threw it away and went to look for another.

After kicking...

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Start the mixer. Add a five-gallon pail of water and the Olde World Additive #140-SL to the mixer.

The water temperature is very important. You want room temperature water if possible. If the temperature of the mix is about 65 to 70 degrees, the mix will vibrate out better, give better homogeneity, and will also set up better. The warmer the water... the faster the Portland cement will set up.

Oxides are next to go into the water. To insure that you get the right coloration in the mix, stop the mixer and pull open the top grate so that your oxides are added directly into the water, and that they don't get stuck to the grate top or on the mixer blades.

Turn the mixer back on. Now add half of the Portland cement and three (3) buckets of sand. Let the mixer run for about a minute or two. Now...

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Do you love the distinctive and attractive look of roof tiles? If the answer is yes, then you are among a growing number of homeowners who pick tiles as the roofing material of choice for their homes.

A tile roof is a costly upfront investment, especially if you opt for clay tiles rather than concrete ones. However, tiles offer many great benefits including durability, longevity, energy-efficiency, great curb appeal, low maintenance, hurricane-grade wind mitigation (with proper installation and maintenance), fire safety, and more.

Traditional (non-metal made) tiles are most commonly available in either concrete or clay, and come in a multitude of shapes, profiles and colors.

The Difference in Cost Between Concrete vs. Clay Tiles

For all the reasons mentioned above it should come as no surprise that clay tiles cost about 30% more than concrete tiles, with an average cost of clay tiles hoovering around $11 to $18 per square foot...

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JamesHi James,Yes, you can lay tile over an existing tile floor as long as it is in good condition with no major cracks or settling.

This means some kind fo thick poly film. There are several vapor barrier products ranging from just thick polyethylene to woven/laminated polyesters.

Jake Says:August 15th, 2010 at 12:02 am Being a professional carpenter I more than understand the importance of level, plumb and square.

Why do concrete slabs crack? - Ready Mix Concrete, Sakrete .

This will cost another $0.25-0.50/sq-ft depending on how much reinforcement there is.So, to get a smooth freshly poured concrete floor in place will cost about $2.00/sq-ft plus the cost of the material and the cost of the pump truck.

I just don't listen, cause as you explained in your questions the mass of the concrete will not slide off especially if you vertical rebar attached to the old floor.

The floor looks a little like it does when you leave a glass on a wooden...

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Putting tiles on concrete walls is similar to placing tiles on any other type of wall. The major difference is that preparing a concrete wall for tiles is different than preparing a plaster or drywall wall. You must ensure that the concrete wall provides a smooth, even subsurface so that all of the tiles rest flat against it. You can lay hard floor tiles on your concrete wall, or you can select softer tiles that are only appropriate for walls.

Place a 6-foot level on the wall in several spots to locate uneven areas. When the level's bubble is off centre, the level is resting on a bump or dent. Mark these spots by drawing a circle around them with chalk.

Chip away the bumps on the concrete wall with a hammer and cold chisel. If you create dents in the concrete instead of flat spots, do not worry; they will be filled in next.

Fill the dents, low spots and cracks with liquid concrete patching compound applied with a trowel. Scrape the wall with the edge of a...

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Tracey Mackenzie August 3rd, 2017

Should I use slate, concrete or imitation roofing tiles?

Choosing the type of roofing tiles to use on your roof can open a can of worms. You want a roofing tile which looks great, is easy to maintain and is long lasting. With roofing vendors all praising their specific tile type, how do you know which one to pick? Let us help.

Types of roofing tiles available in NZ

In New Zealand, there are five main types of roofing tiles available. Each of these tile types have their own pros and cons to using them. There are also a few differences between tiles within each tile type too. They are:

Concrete tiles are a traditional choice. Frequently seen on old State houses, concrete tiles have a long lifespan. They are also very heavy and require additional framing.

Clay roofing tiles are very popular. Often made from local clay, they are an eco-friendly choice to imported roofing tiles....

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Monier’s terracotta and concrete roof tiles offer unique protective qualities during extreme weather events.

Even during a severe downpour, roof tiles absorb negligible amounts of water. This absorption does not affect the tile’s weatherproofing and in fact, independent research indicates that roof tiles absorb less water as they age, improving performance over time.

The weight of concrete and terracotta roof tiles offer more resistance to high winds than lighter weight materials such as metal sheeting. If damage is sustained during a storm, you only need to replace the individual damaged tiles rather than entire sheets, as in the case of metal roofing.

Flexible pointing material is used to fix ridge capping, enhancing security in high winds. In addition, roof tiles can be clipped to secured roof battens to ensure stability in a range of weather extremes. There can be clip systems tailored to different roofing pitches and configurations, so you know you are...

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How do I get started on building a pond?
First, decide on the location: near patio, deck, porch, near a window, etc. Try to place in a sunny location if possible, but the most important factor is put the pond where it can be enjoyed, even if it means less than ideal sunlight of six hours or more. Next, decide on the size of the pond. To help you visualize the pond, lay a string on the ground to establish a shape you like. You may choose a pre-formed pond that is rigid or a liner that is flexible.

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Should I build my water garden large or small?
Although your budget and available space will determine the size, the water garden should fit the scale of the landscape. Many people build small, then expand after they discover the fun saying, "I wish I had built this larger!" Often, people will add a second or third pond when they realize it is easy to add another pond to an existing system.

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What is a large water garden?
A large water garden...

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Tile can contribute thermal massHeavy, high-heat-capacity material that can absorb and store a significant amount of heat; used in passive solar heating to keep the house warm at night. to a passive solar house, and to Christa Campbell it would make a more appealing finish floor than concrete.

Although tile can be placed directly over a concrete slab, products such as Schluter’s Ditra are designed to separate, or “uncouple,” the tile from any potential movement in the substrate and protect the tile and grout from cracking.

The question for Campbell is whether using Ditra offsets some of the thermal mass gains in a passive-solar design.

“I’m wondering if you can lay tile over a concrete subfloor without compromising the thermal mass capacity of the concrete,” she writes in a Q&A post at GreenBuildingAdvisor. “Would an uncoupling system, using something like Ditra, have a negative impact? Should we be looking at using sand instead?”

Campbell’s question is...

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Concrete provides one of the most stable working platforms in the world and is the preferred foundation layer for a ceramic or porcelain tile installation. The cemintitious thinset mortar used with porcelain tile installations is merely modified concrete containing additives for flexibility and additional adhesion. The overall installation protocols are the same as they are for any other man-made tile floor, although the layout and exact specifications vary per project. Once finished, a porcelain tile installation over concrete will last generations, ensuring your investment is beyond a mere one- to five- year warranty that some floor finishes have.

Apply a layer of paint-on, anti-fracture and waterproofing membrane material (liquid rubber polymer that goes on like wet paint and dries into a flexible, rubber coating on the surface) to the top of the concrete. Use a paintbrush for the corners and perimeter and the paint roller for the center. Allow it to dry for 24...

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|By Tim Carter, Tribune Media Services | Ask The Builder

DEAR TIM: My concrete driveway has eight large slabs. The driveway slopes down from my garage to the street. The straight-line gaps between the slabs has enlarged, and some cracks are as wide as 2 inches now. I patch them and they open up again. Is there a guaranteed way to repair these cracks so I don't have to do it every other year? --Ed S., Steator, Ill.

DEAR ED: Concrete cracks of any type are the bane of many a homeowner. They can be in flat slabs, retaining walls, foundation walls and steps. Concrete has fantastic compressive strength, but usually only 10 percent of that in tension when you try to pull or stretch it apart. This lack of tensile strength explains, for the most part, why concrete cracks.

It's impossible to cover this topic completely in this tiny column. Entire books have been written about concrete crack repair. I'll just focus on your situation and give you an interesting...

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Pavers are a beautiful addition to outdoor living spaces. Ensuring they stay in place without shifting starts with laying the proper substrate, and ends with locking the joints together. Sand is the crucial element for both tasks. While sand seems light and difficult to manage, it binds the pavers in place and keeps them from coming loose.


Create a strong base for pavers with a layer of porous material, such as gravel or crushed rock, which will also help with drainage. Choose a sharp-edged sand that has varying grain sizes rather than sand with more rounded grains. Add a few inches of sand on top of the gravel and pack it down with a compacting machine. You can repeat with another sand layer that’s also compacted in place. Compacting machines only compress a couple of inches of material at a time, so do this in two steps for a strong base.

Sand Bedding

The sand should be firm and feel much more solid once you’ve tamped it in place, but avoid...

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