Description
A lightweight breathable roof underlay
Commonly used with hex bolts and coach screws the large head area of a square plate washer increases the size of the head and prevents bolts pulling through into timber
To suit cavity size 201-225mm
Clearance hole 10mm
Concrete strength in excess of 40/50 N/mm² at 28 days
Timberlok Screws - 100 mm (pack of 50) Cast Style Downpipe & Guttering A lightweight breathable roof underlayHeavy duty, corrosion resistant structural wood screw No pre drilling required Free 5 16" hex driver bit in each box
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy











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