When fixing through the sheet directly into a steel purlin a 50mm light section or heavy section is recommended stitch screws.
Roof sheet fixing screws.
Pre drill the holes and use 10 by 2 in 25 4 by 5 1 cm screws with polycarbonate washers.
30071 corrapol bt screw cap fixings green 4 98.
When fixing through.
Complete roof projects with ease with our range of light and heavy duty self drilling roofing screws at toolstation.
Colour caps are used to cover screw heads.
Provide superior fixing of.
We recommend that stitch screws should be run every 300mm to 600mm along any metal joins.
We stock corrapol stormproof bitumen more.
Bzp carbon steel finishes and excellent quality for general exterior construction.
Stitch screws are used for metal on metal fastening and do not require anchoring to a purlin.
77363 techfast sheet to timber hex washer roof screw 6 3 x 25mm 8 19.
Back to roofing corrugated sheets.
A wide range of corrugated sheets at toolstation.
Screw down the panels.
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.
Roof fixings are required to piece together and add the finishing touches to your roofing project.
Screws should be fixed perpendicular to the sheeting or cladding in the middle of the rib and always at the top of the crest for maximum water tightness.
Buy plastic metal corrugated sheets at toolstation.
Adjust the lap so that the last panel completes the coverage without making a cut lengthwise.
You ll will find everything from nail fixings to glazing bars jointing strips and edging strips.
To fix the sheets each 34 1000 box profile sheet has 6 troughs for securing we recommend you fix the sheet into trough 1 3 4 and 6.
Screws can be fixed through the pan valley or crest for walling applications.
Pierce fixing and concealed fixing pierce fixing uses fasteners to attach the sheet to the roof frame.
Order techfast roofing screws online.
Self drilling screw with.
Suitable for attaching sheet metal to steel or wood and recommended for outdoor use but can also be used on internal jobs.
A range designed and manufactured to meet all recognised industry standards and a selection of washered and unwashered roofing screws.
Continue across the roof until it is completely covered lapping over the previous panel by at least 2 5 inches 6 4 cm minimum.