Rafter spacing is based on the width of the metal roofing panels.
Rafter spacing for polycarbonate roofing.
Set 8 x 3 8 bolt about 3 deep into poured concrete for post anchors.
To cover the remaining 3 feet they cut 4 foot sections and placed them under the 12 foot sheets.
The 16mm polycarbonate roofing system i plan on using suggests 1050mm bar centres are ok but looking at various span tables available it apears i ll still need between 4x2 and 5x2 600mm centres to withstand wind and snow etc.
For walls nogging spacings should be no more than 1200mm.
Weather you re building a shed roof or adding a dormer to your second story it is important to choose the proper size rafter.
Polycarbonate roof and fittings 450.
Joist spacing for carport roof 10mm twinwall.
Ensure the purlin spacing is not greater than 1 500mm.
I recently replaced the original polycarbonate roofing suntuf using 26 inch by 12 foot pieces.
Visit the roof framing page for more information on cutting roof rafters and visit the roof pitch calculator for determining rafter lengths based on rise and run.
For roofing purlin batten spacings should be3 no more than those shown in table x maximum purlin spacings.
Creosote frame gate and fence.
2 drill posts and set on pins.
The roofing company used the 15 foot 2 inch side to lay the sheets longways.
Back to base cap pricing page rafter load support chart.
Rafter load support chart for blocking placement next see base cap install details and do material list take off.
Wood posts may also be secured with 4 angle brackets.
I have a pergola measuring 16 4 by 15 2.
On center of framing base is 49 16 25mm x wall chart for 80 plus lb.
Finish the edge of the roof with an f proļ¬le which can be secured to the rafter or barge board with screws.
There are several variables to consider when determining the proper rafter size.
Attach 2 x 6 rafter hangers to header then attach header to house studs with lag screws.
For curved structures the maximum purlin spacing should be 750mm and a minimum radius of 6000mm for roma and greca profile and 14000mm for trimdek profile.
Wider panels allow for greater spacing between rafters.
Looking for advice on rafter spacings on a lean to storage shed on the side of my house.
1 post foots should be approximately 14 deep and 12 across.
Snow wind load position attach for mid sheet attachment.
Installation advice polycarbonate roofing.
