Describe block glass and how it is made.

Name: Describe block glass and how it is made.
Brand: Quizplus
Rating: 4.8 (45 reviews)

Question

Quizplus · Accepted Answer

The Answer is Glass blocks are made by fusing two halves of pressed glass together, creating a space with a partial vacuum. This produces an insulating value equal to a 12 in. (305 mm) thick concrete wall (U-value 0.51, R-value 1.96). Glass blocks are very strong and provide excellent security.

Describe Block Glass and How It Is Made