Roof Cladding Fixing Details

Supporting your roof sheets.

Roof cladding fixing details.

Corrugated roofing sheets should be installed into the corrugated sheets crown using a 65mm tek screw with baz washer. Most roof claddings must be installed over a roof underlay which generally provides the only back up in case of water penetration through the cladding. 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. As with all of the fixing screws provided you can use a colour cap to hide the stainless steel head.

Fasteners in joints of simple seams flat sheet steel joints should generally be no further apart than 50mm. All the information contained in our help guides are for reference only. Side lap joints can be spaced further apart. The trim and roofing sheet should be fastened every 12 to 24 inches along the gable edge.

Fixing and securing sheets. To provide a drip edge allow an overhang of 1 to 2 inches at the eave. Spacing of the fixing will depend upon the type of joint to be sealed. This will keep weather out prevent lifting in high winds and provide a neat fin ished appearance.

Filling gaps at eaves and ridge. 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. Cutting sheets and flashings.