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Polycarbonate sheet screw button is specially designed for polycarbonate sheet, Improved performance can be obtained by replacing the washers with special plastic screw buttons​, fitted with a suitable foam gasket, with or without a closing cap. Suit for 1/4" diameter or below 1/4" metal and wood self drilling screws.

Color - white

Nylon screw fixing polycarbonate washer WHITE

39,90$Цена
    • Prevents uplift by wind
    • Simple fixing for Polycarbonate to roof framework
    • Allows natural expansion and contraction
    • Increases support to polycarbonate sheet
    • Sleeve prevents excessive tightening and local squashing around the screw
    • Plastic cap to cover the screw head for a smooth finish and prevent screw rust.
    • Protects against water ingress at fixing
    • Complete collar with screw, screw cap cover and gasket
    • White
  • The following general pointers are offered to help you best fit the Polycarbonate Sheet Washers / Buttons:

    • Use a sharp steel drill bit instead of a wood one
    • Drill at least 40mm away from the edge
    • Drill between the ribs
    • Do not over-tighten the screw fixing and squash the sheets - as a guide the button should not touch the sheet
    • If using a large sheet the use of a perlin can be used.
    • Use to fix into perlins, noggins or rafters.

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