Glass Roof Snow Load

In locations where snow loads or wind loads exceed the norm additional bracing or advanced technological designs can be used to create additional strength.

Glass roof snow load.

Glass thickness weight load. Glass shelves that are 1 4th thick should not have brackets that are more than 2 4 inches apart. For low rise buildings an abbreviated method is in bs6262 3 2005. Tempered glass breaks into many small pieces when broken and usually never cracks.

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. Ice buildup adds weight rapidly he adds. Load limits on the roof of a building. 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.

Light fluffy snow may only weigh about seven pounds per cubic foot. Glass thickness between 3 8th and 5 8th can support heavier items compared to 1 4th thickness. More average snow may weigh 15 pounds per cubic foot and drifted compacted snow may weigh 20 pounds or more he notes. The decision to shovel off a roof is a case by case decision he says.

Roofs are under a lot of pressure. 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. Choose thicker glass for longer shelves as it can support more weight. Rated with a wind load of 80 100 mph and a snow load of 30 lbs.

Many of the newer greenhouses are utilizing sophisticated engineering designs like the scissor truss. Polycarbonate sheets are used extensively around the world in greenhouses roof glazing and daylighting applications. 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. Obtain the recorded snow load the maximum load expected to accumulate on the ground for your area.

Some of the older greenhouses use heavy cross ties to meet higher snow load requirements. Tempered glass is stronger than standard glass this product is used most often for shelves some fireplaces and table tops. The design wind load can be calculated using bs6399 2. Measure the horizontal distance from eaves to the ridge the point where the roof is tallest and record the result labelled as run for example consider a roof with a run of 12 2 metres 40 feet.