For Safety and Durability Use Tempered Greenhouse Safety Glass

greenhouse safety glass

Typically, greenhouse safety glass is made from annealed glass using a thermal tempering process. The process involves heating the outer layers of glass above its annealing point of around 720 degrees Celsius. There are chemical processes that achieve the same results. However, the tempering process is more widely used. This process toughens the glass and increases its strength. Typical uses include glass tabletops, glass doors, shower doors, greenhouses and vehicle side windows. Tempering causes the glass, if broken, to crumble into small pieces instead of shattering into dangerous shards. Tempered glass can be up to 10 times stronger than untreated glass.

Typically, windscreens on automobiles are safety glass and when shattered will stay in place. The glass has layers of laminate to prevent it from shattering, and the windscreen cracks instead of crumbling into pieces. The difference between safety glass and toughened glass is their ability to withstand impact, and what happens after it is impacted. Tempered or toughened glass is most widely used when there is the probability of human contact with the glass, such as doors, glass tables, and so forth. Usually greenhouse safety glass is toughened using the thermal tempering process.

It is critical that greenhouse safety glass has the strength to withstand impact. This is of particular importance when there are children present. Greenhouses for the most part, are standalone structures and can be subjected to falling limbs, hail and gusts of wind that may carry gravel or other debris. The glass must also be strong enough to withstand impact from children and adults alike.

Typically, greenhouse glass is cut to size and then tempered. The greenhouses therefore, are usually sold in specific sizes. Once the process is complete, the glass cannot be reworked. Tempered glass is significantly heavier than normal glass and care must be taken when handling the panels. The glass edges are more susceptible to damage, so when installing ensure they are well protected. The glass panels should never be positioned where anyone can walk on them during the installation process.

Because of the weight of the glass, the framing is important. The frame should be constructed with a block and or concrete foundation, which will leave the interior floor free of concrete. Many do not care for a concrete floor in their greenhouse because of water pooling and heat absorption. The interior floor can be gravel or mulch to allow the water to run back into the ground. The greenhouse will tilt and settle possibly loosening the panels if the frame’s foundation is not properly constructed. Glass greenhouse kits can be constructed of aluminium, cedar or pressure treated wood and are available in various sizes.

Owners that are quite handy can of course build and design their own greenhouses. Sliding glass doors are tempered glass and can be used in the construction. Sliding glass doors must be tempered glass so they are acceptable to use as greenhouse safety glass. Owners may be able to find the doors in a second-hand shop, or find owners that simply want their old doors taken away. Closely inspect the glass for damage, and carefully remove it from its frame, paying particular attention to the edges.

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