Roof Cladding Fixing Details

The trim and roofing sheet should be fastened every 12 to 24 inches along the gable edge.

Roof cladding fixing details.

Filling gaps at eaves and ridge. Corrugated roofing sheets should be installed into the corrugated sheets crown using a 65mm tek screw with baz washer. Cutting sheets and flashings. All the information contained in our help guides are for reference only.

To provide a drip edge allow an overhang of 1 to 2 inches at the eave. Roof underlays form the secondary line of defence and must be accurately installed to ensure that any water on the underlay is drained to the external edge of the roof and does not pond beneath. Fasteners in joints of simple seams flat sheet steel joints should generally be no further apart than 50mm. Spacing of the fixing will depend upon the type of joint to be sealed.

As with all of the fixing screws provided you can use a colour cap to hide the stainless steel head. This will keep weather out prevent lifting in high winds and provide a neat fin ished appearance. 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. Side lap joints can be spaced further apart.

Fasteners in joints with profiled roofing e g. In accordance with manufacturer specification all roof cladding needs to be pitched flashed and finished to increase weathertightness building basics for making homes weathertight search. At the gable edge use a gable or sidewall flashing.