How To Fix Roofing Sheets

Urethane roof cement is an excellent product that can help you patch holes on corrugated metal roofing.

How to fix roofing sheets.

Cladco offer a range of fixings available to fix into most purlin materials. Apply the cement carefully with a putty knife until you ve sealed the hole completely. As with all of the fixing screws provided you can use a colour cap to hide the stainless steel head. If fixing screws are left in the valleys your roof will leak in hundreds of places.

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. Fixing the corrugated roof sheets. Once you have your timber roof structure in place complete with waterproof membrane it s time to fix your corrugated roof sheets. We recommend that stitch screws should be run every 300mm to 600mm along any metal joins.

Polycarbonate sheets should be installed with the ribs running in the direction of the slope and it is recommended that at least one of the ribs is securely clamped in the glazing system. Most roofing sheets cover a width anywhere from 2ft to 3 5ft and. Remove roofing and turn each sheet over. Corrugated roofing sheets should be installed into the corrugated sheets crown using a 65mm tek screw with baz washer.

Patching materials for metal corrugated roofing sheets. Stitch screws are used for metal on metal fastening and do not require anchoring to a purlin. Obtain some roofing mesh and cut out 2 identical square patches. You will have to paint the roof but is cheaper than buying new roofing.

Cut the piece large enough to cover the hole and 6 inches of the surrounding roofing each way using sheet metal cutters. Use a piece of similar style corrugated roofing to patch holes. Press one patch over the roofing cement. At the eaves purlin additional fixing is necessary to prevent wind uplift and downslope slippage due to repeated thermal movement.

The bottom end of the sheets you can fix in each trough to help prevent wind uplift of the sheets. When joining panels you should use silicone sealant along their vertical length and overlap the sheets by one corrugation. Use special roofing fasteners rather than standard screws to secure the corrugated sheets as they have a waterproof seal underneath the head that prevents leaks. Stitch screws are smaller secondary fasteners and should be used for sheet side laps and the securing of flashings and ancillary components to the sheeting.

To fix the sheets each tileform sheet has 5 troughs for securing we recommend you fix the sheet into trough 1 3 and 5.