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It's important to apply a concrete sealer before adding the tiles. If you don't, the alkali's in the concrete will eventually break down the adhesive resulting in the tiles peeling off.

Absolutely Correct!! To elaborate on the "alkali's in the concrete" understand the following:

Portland Cement is a very alkali rich material. Not all the chemicals in concrete completely hydrate as it cures and this high alkaline condition exist and continues for years. You've heard about "Alkali Burn" causing paints to peel or blister?? This is why!

The chemicals in a concrete interior are allowed to migrate out to a surface and contaminates can enter an interior through the Gel-Pore / Capillary system found in all concretes. A sealer is applied to prevent this!!

Choose a sealer that comes with a warranty for waterproofing [15 years] and one that is compatible with you tile manufacturers list of approved adhesives. Otherwise you may void any warranty on the tiles and or adhesive.

Do not use a sealer that allows for a subsequent [Second] application!! Ask yourself what happened to the first coat?? Avoid a sealer that cautions " Do Not allow sealer to come in contact with metals or glass" !! They don't work!!

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Do you need a waterproof membraine if installing floor boards directly onto concrete?

If you understand that concrete is a porous material that absorbs and has moisture in it, you then should also understand that this moisture will move toward the top surface of a concrete floor. This moisture will promote mold growth and will also destroy the bond of of most adhesives. Membrane coatings are prone to failure when this moisture carries alkali in concrete to the surface. You are much better off using a penetrating sealer such as "StableCrete" to waterproof the concrete. This product penetrates to form a solid in the capillary/gel-pore system of a concrete. This stops moisture migration and provides for a superior bond to the concrete.


How do you increase slump in concrete?

If you are using a traditional concrete mix you can increase the slump by increasing the water you add.


How do i make concrete using nature?

Concrete IS nature, the aggregate is crushed rock, the cement is made of natural lime and clay, mix these together with water and you get concrete.


What is the advantages of using plum concrete?

Also known as Cyclopean Concrete, this is a variety of concrete consisting of large sized stones(Plums) with interstices filled with concrete. Used mostly in mass concrete works like concrete gravity dams


How do you secure studs to a concrete floor?

Attach your bottom plate 1st then attach studs to the bottom plate. The bottom plate can be fastened by using concrete nails or concrete anchor bolts.

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