Glass Roof Snow Load

More average snow may weigh 15 pounds per cubic foot and drifted compacted snow may weigh 20 pounds or more he notes.

Glass roof snow load.

Load limits on the roof of a building. Polycarbonate sheets are used extensively around the world in greenhouses roof glazing and daylighting applications. Typically for the uk the average design wind load is 1200 n m2 and the snow load 600n m2 however using the average may cause the glass to be over specified or even worse underspecified for the task. Many of the newer greenhouses are utilizing sophisticated engineering designs like the scissor truss.

Ice buildup adds weight rapidly he adds. Rated with a wind load of 80 100 mph and a snow load of 30 lbs. Some of the older greenhouses use heavy cross ties to meet higher snow load requirements. Glass thickness weight load.

Aluminum foam core roof glass or aluminum foam core wings center ridge beam gable roof option full screens lockset weather stripping fasteners for assembly caulking and installation manual. The design wind load can be calculated using bs6399 2. Tempered glass is stronger than standard glass this product is used most often for shelves some fireplaces and table tops. Obtain the recorded snow load the maximum load expected to accumulate on the ground for your area.

For low rise buildings an abbreviated method is in bs6262 3 2005. The importance of polycarbonate s high strength and impact resistance cannot be understated when considering snow capability flexibility under load or falling items that can impact the sheet like hail sliding snow and ice. Glass thickness between 3 8th and 5 8th can support heavier items compared to 1 4th thickness. Tempered glass breaks into many small pieces when broken and usually never cracks.

Roofs are under a lot of pressure. The decision to shovel off a roof is a case by case decision he says. Choose thicker glass for longer shelves as it can support more weight. Glass weight load calculator.

The engineer says to watch for very deep. Light fluffy snow may only weigh about seven pounds per cubic foot. Snow load of a greenhouse is based on expected ground accumulation greenhouse roof slope whether the structure is a gutter connect or free standing greenhouse and if the greenhouse is heated or unheated during the time of snowfall. Glass shelves that are 1 4th thick should not have brackets that are more than 2 4 inches apart.