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home > Products > Polycarbonate Accessories > Polycarbonate Crest Fixing Fasteners > PolyXpand Crest Fixing Fasteners
PolyXpand Valley Fixing Fasteners
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PolyFast Crest Fixing Fasteners - For Metal Battens

PolyXpand Crest Fixing Fasteners

For all types of glazing material such as Polycarbonate, Acrylic (PMMA), FRP, UPVC, PVC and more.

Coating
AS 3566 Class 3

TPI: 14 threads per inch

Suitable for use with:
0.75mm to 4.5mm thick battens.

Suitable for use with
5/16” Drive (#12)

Hex Head

Suitable for use at a drill speed of 2000rpm

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Category: Polycarbonate Crest Fixing Fasteners
  • Description
  • Product Overview
  • Detailed Product Specifications
Description

POLYXPAND™ – CREST FIXING PLASTIC SKYLIGHT FASTENERS

POLYXPAND™ skylight fixing fasteners are designed to create a much-required thermal expansion hole on plastic roofing materials and then securely fastened onto the purlin underneath in one-go.

Owing to the wings on the drilling tip, a 10mm diameter thermal expansion hole is created during the process, which then snaps off immediately upon coming in contact with steel.

A large domed BAZ washer completes the package, covering the expansion hole while providing superior strength against high winds.

POLYXPAND™ Crest Fixing Fasteners can be used on all kinds of plastic glazing material and especially effective when used as corrugated roof screws, with its length designed to accommodate the crest height of our ROMA and GRECA profiles.

*Note that because water, along with other liquids flows to the lowest point, PolyXpand fasteners have to be fixed at the crest on roofing sheets.

• True Australian AS3566 Standard
Hex Washer Flanged Head:
Separate EPDM steel bonded washer NOT required. (No risk of leakage)

• Thermoset 100% EPDM BAZ washer:
√ Weathering Resistant (UV / Ozone / Acid)
√ 100% Leak proof sealing
√ Perfect fit under hex washer flange
√ Optional metal washer add-on
√ Shock absorbing (for high wind areas)

• Creates a 10mm dia. thermal expansion hole for plastics.

• Winged Drilling Tip:
Wings break off once in contact with the steel purlins,
keeping the plastics sheets securely fastened.

*Incorrect screws create stress cracks and thus leakage on Polycarbonate or other Plastic Sheets.  Contact us for more information on where and how to install PolyXpand Crest Fixing fasteners.


Thermoset 100% EPDM BAZ Washer:

√ Weathering Resistant (UV / Ozone / Acid)
√ 100% Leak proof sealing
√ Perfect fit under hex washer flange
√ Shock absorbing (for high wind areas)
√ Optional pre-assembled metal washer – suitable for extremely high wind areas.

Product Overview

Product Overview

PolyXpand Detailed Specifications

Time Saver – Save 50% installation time

VULCAN PolyXptand Self-Drilling Fasteners drill throughsteel battens and creates an expansion hole in one simple step without the need to pre-drill.


Easy installation – No Pre-Drilling Required

• No more pre-drilling means faster and easier installation.

• Winged tip automatically creates an expansion hole upon drilling.

• No extra expense on specailist tools and labor.

• Only a standard 5/16” nutsetter is required to complete the job.


Clean and Tidy Process

VULCAN PolyXpand Fasteners cut an expansion hole in the polycarbonate sheet and ensures correct installation, allowing for thermal expansion and contraction in all conditions.

Detailed Product Specifications

Detailed Product Specifications

OLYXPAND™ Crest Fixing Self-Drilling Fastener to Metal Battens

Features: 60mm (5/16′) Hex washer flanged head self-drilling fastener with expansion hole cutting drill tip and large dome EPDM washer.

Spec: #12-14 x 55mm/72mm

Where Used: Corrugated Polycarbonate sheets, mainly at the crest of the corrugations when on roofing skylights.

Coating: AS 3566 Class 3. Weathering resistant Ruspert coating

Suitable Steel Purlin / Batten Thickness: 0.75mm to 4.5mm.

Hex Washer Flanged Head Size: Suitable for use with 5/16” Drive (#12).

Related products

PolyFast Crest Fixing Fasteners – For Timber Battens

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PolyFast Crest Fixing Fasteners – For Metal Battens

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TEL: +886-2-27091757 FAX: +886-2-27556758 Email: [email protected]
ADR: 10F.-7, No.28, Sec.3, Ren Ai Rd., Da An Dist., Taipei, 10653 Taiwan






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