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25mm Long x 19mm Diameter Bonded Washer Laplock Bag of 100

Item
FB1LAP25B19
£63.07 £52.56
18 In Stock

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  • Buy 9.99 for £56.76 £47.30 each and save 10%

Technical Specifications

  • Length - 25mm
  • Materials - Galvanised screw with black rubber sleeve
  • Washer - 19mm Neoprene washer
  • Head - 8mm Plain galvanised

  • Laplock Fixings are used when you are securing overlaps from a rooflight to either Steel or Fibre Cement roofing sheets.
  • They can also be used to stitch some fibre cement accessories to the sheeting in situations where you are unable to pick up on the main supports. 
  • The fixing point must be Pre-Drilled before inserting the Laplock into the hole, you then tighten the top of the 8mm hex head which expands the rubber sleeve around the shaft, providing a firm and watertight fixing.
  • These have a 19mm Bonded neoprene washer.
  • They are also available individually.
  • High quality rubber sleeve to allow a strong, watertight seal
  • Easy to install, predrill, plug and tighten
  • Rubber allows for expansion to prevent sheets cracking over time 

What is a laplock
A laplock is a fixing with a rubber sleeve, designed to be used with a Box Profile Rooflight to secure the overlap on a GRP sheet A laplock is a fixing with a rubber sleeve, designed to be used with a Box Profile Rooflight to secure the overlap on a GRP sheet.

Why do I need to use a laplock?
It allows for expansion and contraction, if you used a metal fitting such as stitchers, this would crack the GRP sheet around the fixing.

How are they installed?
You pre-drill the sheet with a 7mm hole, you then put the laplock into the hole and tighten the 8mm head, this will expand the rubber sleeve to close and watertight the hole.

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