Concrete Roof Tile Concrete roof tile is made of sand, cement, and water. The exact materials vary somewhat with each manufacturer but basically contain Portland cement, blended hydraulic cements and fly ash, sand, and other aggregates. The products from most manufacturers look very similar in size and shapes and colors. There are several manufacturers of concrete tile.
How Do I Maintain a Concrete Driveway?
Autoclaved aerated concrete | YourHome
Autoclaved aerated concrete [pdf 3. The popularity of AAC in Australia has grown since its introduction here 20 years ago, although the market remains dominated by one manufacturer, Hebel. In Europe AAC has a long history of development, having been in use for more than 70 years. It has a moderate embodied energy content and performs well as thermal and sound insulation, due to the aerated structure of the material and its unique combination of thermal insulation and thermal mass. It is light, does not burn, is an excellent fire barrier, and is able to support quite large loads. It is relatively easy to work with and can be cut and shaped with hand tools including woodworking tools.
Comparison Chart of Concrete Sealers
Penetrating Sealers for Concrete Penetrating sealers provide excellent protection against outdoor conditions Penetrating sealers, such as silanes, siloxanes, silicates and siliconates, penetrate into the concrete to form a chemical barrier that shields against moisture penetration and deicing chemicals. Usually they provide invisible protection without changing the surface appearance, and most products are breathable, allowing moisture vapor to escape. They are most commonly used outdoors, since they provide excellent protection against harsh exposure conditions. Applications A penetrating sealer is your best choice if your goal is to:
Performance Penetrating sealers includes silanes, siloxanes, silicates, and siliconates Penetrate and react chemically within the capillaries of the concrete to shield against moisture penetration and deicing chemicals. Exterior concrete surfaces subject to corrosion and freeze-thaw damage Where a natural, matte finish is desired Provide invisible protection without changing the surface appearance or leaving a sheen. Provide excellent protection against outdoor exposure conditions. Most products are also breathable, allowing moisture vapor to escape.