Click here for information on Business Opportunities . RadonSeal Standard Normal strength for dry poured concrete in good condition. For basements or slabs, garages, driveways, pools, outdoor concrete. RadonSeal Plus Increased minerals for larger pores. For concrete blocks, cinderblocks, and porous, older, or wet poured concrete, and active water seepage.
Coverage depends on the concrete's porosity and composition.
Cement blocks and more severe moisture or radon problems may require 3 applications of RadonSeal. Apply any surplus to garage floors, concrete sidewalks, driveway, pool deck, or patio. Ordering and Shipping Options Orders are normally shipped the same or next working day. For shipping express or to Alaska, Hawaii, Canada or other countries, please contact us first. If you prefer to order by mail, fax, or email, use a money order or check, complete the Order Form .