![]() Ontario building code requirementsīelow are included some of the building code requirements that relate to roof access. Since this is often an overlooked requirement, even on new projects, we offer our HatchGuard protection system, which consists of a non-penetrating clamp-on hatch guardrail system, with hand-grips to aid in access and egress, and a self-closing safety gate. OSHA requires the railing to include a self-closing gate or chain enclosure. The use of guardrails around a roof access hatch has been made mandatory in both Canada and the US to avoid falls and injuries. If left open, the hatch can pose a serious fall hazard. ![]() Hatches should also include a locking arm feature that allows for the cover or door to lock in an open position. Additionally, a support bar needs to be installed right near the exit point for balance and grip.Ī roof access hatch must also be able to be held open by an external device, so it cannot close on itself and cause injury. Roof surfaces can become slippery and icy, especially in periods of inclement weather.Ī guardrail is an important safety measure, especially when accessing a rooftop during inclement conditions. Heritage buildings may require the use of copper to maintain the appropriate aesthetic.Īll roof access hatches must have a guardrail. In a highly corrosive environment such as a chemical plant, a hatch must be made of stainless steel or copper. Additionally, some situations require the hatch to be made of specific materials. They must be resistant to fire and be able to sustain explosions. It’s important that the hatches are relatively lightweight and easy to handle. Most roof access hatches are made of galvanized steel or aluminum. The hatches should also be insulated well to prevent frost and condensation accumulation. Roof access hatches can be installed on flat roof surfaces, the maximum incline being 30 degrees. Let’s take a look at some of the basic requirements. Hatches must meet the standards required by the National Building Code (Canada) and the Occupational Health and Safety Administration (OSHA) in the United States. There are a number of safety regulations and building code requirements in Ontario relating to the use of roof access hatches. Depending on the task required, a hatch may have either one smaller cover or door, or two in the case of large industrial facilities where equipment is being loaded in and out. Roof hatches can also be used when installing or removing larger pieces of equipment from a building. Industrial buildings with very high ceilings may be more likely to have ladder access, whereas other buildings like schools or offices would be more likely to have a set of stairs. The hatches provide access to roofs via interior ladders or stairs. A roof access hatch is an opening on a roof that can be used as an emergency exit from a building, or as a means of access for maintenance workers servicing any kind of roof-mounted equipment.
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