For weight determination use 20 pds per square foot of the hatch s size.
Roof hatch installation detail.
A variety of special sizes are also available to provide an accessible way to install or remove large pieces of equipment from a building.
For this installation the customer removed the curb insulation from the hatch and bolted the hatch down to the roof.
Roof hatch installation instructions onto flat roof only 1.
Firestone has developed cad drawings of its tpo installation details to assist roofing professionals with the specification of firestone tpo roofing systems.
Step by step of how to install new roof hatch on buid up roof.
Cad details document name pdf dwg download all cad construction details 37 1 mb 3 4 mb mc01 identification of roof areas 694 kb 167 kb mc01a single layer underlayment 678 kb 302 kb mc01b double layer underlayment 711 kb 322 kb mc02 vent pipe flashing 626 kb 349 kb mc03 valley.
For ultimate corrosion resistance and outstanding exterior durability babcock davis provides powder coat finish.
For a 6 x 6.
For large hatches 6 0 x 6 0 and larger the roof should be prepared with structural members capable of supporting the hatch s weight.
Download free high quality cad drawings blocks and details of roof hatches organized by masterformat.
Place the roof hatch over the existing opening in the roof.
Prepare the hole in the roof deck to match the roof hatch s inside dimension.
The detail drawings are grouped by details and can be downloaded below in dwg or pdf format.
Surespan manufacture and supply thermally broken roof hatches in a range of standard sizes and bespoke.
When installed on a slope the hinge side should run parallel with the slope.
Roof hatches bilco roof hatches provide safe and convenient access to roof areas by means of an interior ladder ship stair or service stair.
Installing modified roof flashing details series 1 duration.
Roof hatch products may be installed on a flat or sloping roof with up to a 7 12 pitch.
Hold your cursor over the file name to view when a drawing was last updated.
The standard roof hatch comes with cap flashing and 1 thick rigid fiber board insulation along the curb of the hatch.
Want to know how to install a roof hatch.