The GANA Sealant Manual, published by the Glass Association of North America, provides guidelines for the selection and application of sealants used in exterior and interior glass and glazing installations. Manual sections include causes of sealant failures, structural glazing and glazing accessories.
The book was beneficial. The quality was a ten; if I were to give a rate on this would definitely be a ten. It was easy overall.jose luces
With all the help of Contractor Campus me and my father were able to obtain our licenses and open up our own company !
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