Typically we add about 10 to 12 inches of cellulose over the top of the existing.
Micaflake vermiculite insulation.
Try hydroponics shop for alternatives.
Vermiculite insulation is prevalent in many older homes in our region and it has been our experience that the majority of home owners insulating attics that contain vermiculite do so not only to increase the levels of insulation but it also seals the vermiculite.
Identifying insulation that is made from vermiculite.
Thermal insulation vermiculite has been used for over 50 years for insulation in attics walls and high temperature industrial applications.
Micaflake vermiculite insulation 3 cubic foot bag.
Graham chiu mar 5 18 at 3 26.
According to a 1985 estimate made by the environmental protection agency epa about 940 000 american homes were insulated with zonolite.
I found a blog from 10 years ago where someone used this brand.
They had a picture of it opened and it looked pretty course.
Peter turner mar 5 18 at 3 29.
Grace company in 1963.
Vermiculite insulation is a pebble like pour in product and is usually gray brown or silver gold in color.
As a soil amendment coarse vermiculite is great for lightening and aerating heavy soils.
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Sun gro horticulture is north america s largest producer of horticultural grade peat and the largest distributor of peat moss and peat and bark based growing mixes.
On the bag it says it is made by sun gro horticulture out of seneca il.
Also older vermiculite used in insulation contained asbestos.
Look at the photos on this website and then look at the insulation without disturbing it.
The bag says micaflakes loose fill attic insulation and menards had it labeled as vermiculite.
In recent testing vermiculite masonry insulation used in a standard 8 lightweight block performed better than urea formaldehyde foam polystyrene beads and polystyrene inserts.
Vermiculite insulation was sold in bags to builders and homeowners under the zonolite brand name.
Prices promotions styles and availability may vary by store and online.
The following photographs show typical vermiculite insulation.
I am starting my sfg this year and just picked up some 3 5 cu ft bags of vermiculite from menards for 8 99 a bag.
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Founded in 1919 the zonolite company was acquired by w r.
