Is perlite an aggregate?
Perl-ag Perlite Aggregate is a lightweight aggregate, similar to vermiculite but is white in color and is produced from a silica based volcanic glass, when heated this volcanic glass expands to form a lightweight aggregate used in concrete, plaster and as a medium for potting plants. It is inorganic and non-flammable.
How strong is perlite concrete?
Perlite concrete mixed at a ratio of 1 part cement to 6 parts perlite has an insulation value, or “k” value, of 0.64 and a compressive strength of 125 to 200 pounds per square inch. At a ratio of 1 part cement to 4 parts perlite, you achieve a “k” value of 0.83 and compressive strength of 350 to 500 pounds per inch.
Is perlite used in concrete?
Perlite concrete, while not usually suited for structural or load bearing uses, offers many advantages beyond its light weight. Perlite concrete provides better noise reduction and thermal insulating properties than conventional concrete.
Why would you add perlite to a concrete mix?
Perlite concrete provides better noise reduc- tion and thermal insulating properties than conventional concrete. Generally speaking, the lighter the weight, the greater the insulative properties. increase the density and compressive strength.
Can you mix perlite with cement?
Perlite concrete mixed with cement and water provides a light, insulating concrete suitable for roofs, floors, floor separations, insulating blocks and elements. As Perlite is one of the lightest aggregate materials on the market, it is advantageously used where high insulation capacity is desired.
Is perlite render waterproof?
LiteFill Perlite is treated in a solution to give each particle a waterproof coating. This makes it perfect for mixing into lightweight concrete and renders. It has a very low thermal conductivity and has a maximum working in excess of 1000°C.
How long does perlite cement take to dry?
It is recommended the deck be allowed to cure for a minimum of three days.
Can perlite be mixed with cement?
Can I use gravel instead of perlite?
However, granite gravel is not a 100% replacement for perlite, mostly due to its weight. Adding it to soil mixes for potted plants will make them much heavier, and for smaller pots, especially indoors, you will need to use pea gravel.
What is the best substitute for perlite?
What is a good substitute for perlite?
- Rice husks.
- Pumice.
- Horticultural grit.
- Granite gravel.
- Vermiculite.
- Calcined clay.
- Bark.
- Peat.
What is a cheaper alternative to perlite?
Styrofoam is an economical alternative to perlite, according to the University of Connecticut. Similarly, it is lightweight, but differently, and it compresses over time instead of retaining its airy properties.
What is perlite concrete used for?
These include lightweight tile mortar, statuary, decorative stone, gas-fireplace logs and floor fills. Perlite concrete, while not usually suited for structural or load bearing uses, offers many advantages beyond its light weight.
Why choose Carolina perlite company?
Established in 1949, Carolina Perlite Company is a leading producer of quality perlite aggregates for horticulture, construction, and industry serving the U.S. and abroad.
What is Expanded Perlite Used for?
• Expanded Perlite is suitable for a range of landscaping applications such as green roof construction, golf green renovation and construction, planters, drainage. • Expanded perlite powder and board is a hydrophobic insulating aggregate.
What happens if you over mix perlite concrete?
Over mixing may degrade the perlite and increase concrete density, reducing yield. Optimum mixing cycle usually determined with one or two trial batches. To download a .pdf of the Overview of Perlite Concrete brochure, click here.