Preferred Engineering Products Ltd. designs and manufactures specialized window hardware systems for window manufacturers, developers, and contractors across North America. Its product line includes fenestration hardware such as Tilt'N'Slide, Parallex, Slide'N'Hide, and HI-FLO Weepers — alternatives to traditional window operating products built for functionality, ventilation, and ease of use. The company was founded in 1988 and is registered in Vaughan, Ontario, Canada.
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Authority
—/100
Safety
90/100
Registered
Nov 29, 1996
29 years old · Network Solutions, LLC
4 of 5 safety checks passed (Sep 6, 2026).
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Current facts
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Domain registered Nov 29, 1996 — 29 years old.
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Registrar today: Network Solutions, LLC — unchanged since AboutUs began tracking (Aug 1, 2026).
We withhold an authority number until independent evidence (global rank, link-graph presence) has accrued. The facts we do have about this site are shown below — we'd rather say “not enough signals yet” than invent a low score.
Safety evidence
Missing DMARC (mild)
Site history
Dated record — historical facts always carry their date.