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VSI Environmental Web Site - Home of Illinois largest radon reduction contractors.
Descriptions Block wall foundations: Can be a major source of radon entry, tops of block walls should be capped or sealed when possible. Block walls usually require multiple suction points. ... page it is not mandatory to install fire collars on all systems penetrating garage walls, however at VSI Environmental we feel the benefits of this device far outweigh the ...
www.radongas.com

VSI Environmental Web Site - Home of Illinois largest radon reduction contractors.
High grab sample levels from inside of block walls can indicate the source of radon is the walls. Using a chemical smoke to test air flow direction on a ...
www.radongas.com More from this site

FAQ masonry
CONCRETE: WHITE CHALKY POWDER The concrete walls of our home have a white chalky powder on various locations on the outside surface ... . CONCRETE: BASEMENT MOISTURE We have a below grade basement with concrete block walls which allows moisture to form on the inside walls and floor during the rainy season. Will Masonry Boss™ correct this ...
www.environmentallysafe.com

Some Basic Facts About Mold and Mildew
When mold spores land on material that is damp – for example, walls, floors, appliances (such as humidifiers or air conditioners), carpet or furniture – they can begin ... bleach with ammonia; the fumes are toxic. Use a stiff brush or cleaning pad on block walls or uneven surfaces. Rinse clean with water. 2. The next step is to disinfect surfaces ...
www.health.ri.gov

Radon: Environmental Health in Minnesota
A basement, of course, provides a large surface area that contacts soil material. Go to > top. Major Radon Entry Routes Cracks in concrete slabs. Spaces behind brick veneer walls that ... if drained to an open sump. Mortar joints. Loose fitting pipe penetrations. Open tops of block walls. Building materials, such as brick, concrete, rock. Well water (not commonly a major source ...
www.health.state.mn.us

ESB: ACC Blocks Cut Labor Costs and Save Energy
A demonstration house built in Moon Township, Pennsylvania showed that material costs are slightly higher, but labor costs were 50 percent lower. The total cost for ACC block walls ... Edison/Penn Power along with several utilities and EPRI also sponsored a mobile ACC block manufacturing facility to support the demonstration projects. Blocks made by that plant were used ...
oikos.com

Home Construction - Insulated Concrete Forms
Boasting an R-value of 21 and up, foam block walls are so well insulated that manufacturers predict a home's ... in the details of their shapes, cavities and component parts. Block systems have the smallest individual units, ranging from 8" x 1' ... including: Advanced ICF Structures, Amvic Pacific Inc, Arxx®, Eco Block, I.C.E. Block, NUDURAtm, Rastra®, and the Quad-Lock System. For ...
consumerenergycenter.org

Earth-Sheltered / Underground Houses: How-to books to build your own low-cost, energy efficient undergound home.
Specific methods appropriate for the inexperienced owner- ... s own footings and/or floor the use of dry-stacked (surface-bonded) concrete block walls post-and-beam framing plank-and-beam roofing, and drainage methods and self- ...
hollowtop.com

Mildew, Mildew, Go Away New 3M Marine Mildew Stain Remover and Marine Mildew Block Combine to Help Solve Vexing Problem for Boat Owners at ColoradoRiverInfo.com
It’s designed to work in conjunction with 3M Marine Mildew Block. Together, this gives boaters the first, system approach for cleaning and ... affected area. Then, wipe clean. Follow up with 3M Marine Mildew Block for long lasting protection. 3M Marine Mildew Stain Remover is ... be used on vertical surfaces such as seat backs and ceramic walls. It is recommended that users test for suitability as the ...
coloradoriverinfo.com

Bringing Down Walls -- A Native Elder's Earth & Spirit-Based Prison Program
Most current pre-release programs are dismalfailures, claims Manitonquat, and most parole departments ... a strongmodel. Managed and operated entirely by ex-convicts, Delancey Street ownsan entire city block of reconstructed buildings from which ex-cons operate businesses. Manitonquat would make two ...
earthlight.org