Vermiculite And Perlite Insulation Materials

Perlite vs vermiculite tests peformed by dynatherm engineering reveal that perlite is 6 more eflective as a core fill insulation than vermiculite.

Vermiculite and perlite insulation materials.

By vermiculite versus perlite as thermal insulation materials. Supreme perlite portland oregon summary factsheet. Panded vermiculite make it useful in lawn and garden agricultural and horticultural products. Vermiculite and perlite insulation materials are commonly found as attic insulation in homes built before 1950.

The supply for the perlite is a nursery they use it for potting soil additive. Perlite is one of the best hydroponic growing mediums around. All of these materials come in the form of tiny beads pebbles or pellets. Rado howdy thanks for the rapid reply.

Where does the asbestos come from and why is it a health concern. Vermiculite insulation materials aren t widely used today because they sometimes contain asbestos. Vermiculite is used for special coatings and packaging fire protection loose fill insulation concrete screeds and plasters swimming pool liners and potting mixes or potting soils. Environmental protection agency asbestos is not intrinsic to vermiculite.

Material safety data sheet p erlite resources oregon health authority public health. Vermiculite and perlite also differ when it comes to ph level which may be a consideration when you re choosing which to add to your soil. Although the physical characteristics of the two materials are similar the closed cell structure and lower thermal conductivity of perlite account for perlite s superiority. However according to the u s.

Vermiculite is a silicate material that s brown or beige in color and has a soft sponge like texture. It s the same material used in gas fireplaces with ceramic logs to help the flame spread across the burner more evenly. Thermal conductivity of perlite is also very similar to what vermiculite insulation material provides. Insulation r values of various materials.

Both perlite and vermiculite are made by heating pellets of volcanic rocks until they pop which causes them to expand to. Perlite has good wicking action which makes it a good choice for wick type hydroponic systems. Perlite vermiculite packaging industries. Perlite is harder is white in color and is made out of mined volcanic rock.

Perlite is commonly used with vermiculite a 50 50 mix is a very popular medium and is also one of the major ingredients of soiless mix s.