Box Profile Roofing Sheets Fixing Instructions

Each sheet should receive one single overlap sidelap see above.

Box profile roofing sheets fixing instructions.

Remove roofing and turn each sheet over. Supporting your roof sheets. Fix the sheet through the valley or crown at every purlin except the top one using a suitable fixing. Permaroof is usually available in long single sheet lengths however for very large roofs separate sheet lengths can be used for ease of handling.

Our stitch screws will stitch sheet to sheet on the overlap as in diagram below. All the information contained in our help guides are for reference only. 32 1000 roof sheeting 32 1000 roof sheeting trapezoidal single skin has 6 castles 2 strengthening ribs in the troughs with a profile pitch of 200mm depth of 32mm. Single skin steel sheet installation guide.

Fixing and securing sheets. Colour caps are used to cover the ends of fixings this allows the fixing to blend into the sheets colour. The general advice for fixing is 4 5 screws across the sheets purlin we advise using 1 screw on the overlap of the next sheet. Commence fixing the sheets at the opposite end of the roof to prevailing winds.

If installing more than one steel roof sheet in the length you will need to allow a 300mm overlap between roof sheets. Wear protective gloves and eye goggles. What was previously a valley in the corrugations will now be a ridge and the nail hole will be in the correct place. The profiles on this type of roofing are square shaped with a flat edge running down the length of the panel.

Apply 2 runs of 6 5 butyl sealant along the top of the sheet and one run down the top of the underlap crown for the full length of the lap diagram 2. You will have to paint the roof but is cheaper than buying new roofing. Roof cladding box profile metal sheets corrugated metal sheets insulated roof cladding. Mcs roofing cladding date.

Box profile roof sheets should be fitted from left to right our screws are to be fixed through the lower part or valleys of the roof sheets. The bottom end of the sheets you can fix in each trough to help prevent wind uplift of the sheets. Box profile roofing consists of a corrugated sheet with profiles and valleys. Corrugated roofing sheets should be installed into the corrugated sheets crown using a 65mm tek screw with baz washer.

If fixing screws are left in the valleys your roof will leak in hundreds of places. Hornsey steels limited 32 1000 box profile roof sheeting fitting installation guide updated 04 2020. December 14 2017 fixing and installation guide for mcs single skin steel roofing sheets box profile 34 1000 35 1000 swaged mcs box profile roof and cladding sheets can be laid left right or right left dependant upon aesthetics and or prevailing wind conditions.