Sears also manufactured and sold the small caste iron machines used to make these blocks. The machines and the block were promoted by Sears as a low cost alternative to natural stone and brick. They touted the insulating properties, safety in that is was fireproof,...

Block Builders Inc. Warranty and Guarantee Block Builders Inc. dba Classic Rock Face Block guarantees its product for five years from the date of sale. We will replace free of charge, any masonry units found to have defects caused during manufacture or damage incurred by Block...

Federal Links The President’s Advisory Council on Historic Preservation: www.achp.gov National Park Service, Heritage Preservation Services: https://www.nps.gov/hps/ http://www.nps.gov/tps/tax-incentives.htm http://www.nps.gov/tps/how-to-preserve.htm http://www.nps.gov/tps/how-to-preserve/tech-notes.htm https://www.historicpreservation.gov/web/guest/home http://www.heritagepreservation.org/ http://www.historicnewengland.org/ http://www.victoriansociety.org/ State Links Alabama: Alabama Preservation Alliance: www.alabamapreservation.org Alaska: The Alaska Association for Historic Preservation: http://www.aahp-online.net/ Arizona: Arizona Preservation Foundation: www.azpreservation.org Arkansas: Historic Preservation Alliance of Arkansas: www.preservearkansas.org California: California Preservation Foundation: www.californiapreservation.org Colorado: Colorado Preservation, Inc.: www.coloradopreservation.org Connecticut: Connecticut Trust for Historic Preservation: www.cttrust.org D.C.:...