Mr. Richard Fearn reports
FAB-FORM INDUSTRIES LTD. ANNOUNCES NEW PRODUCT FLEX-R SUB-SLAB PANEL
Fab-Form Industries Ltd. has applied for a new U.S. design patent for its advanced concrete subslab panel, Flex-R. Engineered to address growing demands for energy-efficient and health-conscious building practices, the panel reduces heat loss, prevents moisture intrusion and facilitates passive radon venting, all in a single product.
"This new design represents a significant leap forward in our commitment to taming the ground through innovative, sustainable products," said Richard Fearn, chief technology officer of Fab-Form Industries. "By blending form and function, we're not only helping builders meet stringent building codes for energy efficiency and indoor air quality but also eliminate the challenges of uneven ground."
Flex-R is an innovative concrete subslab panel that simultaneously fulfills seven important functions for the building industry: provides insulation capacity of R12 (or as required by local code); Hex-panels automatically adapt to uneven ground, up to one-half inch per 12-inch length; provides the damp proof membrane for the slab; has double sided tape on two sides to quickly seal the membrane together; provides radon protection as per the building code; provides an air barrier as per the building code; and facilitates radon gas removal.
This further eliminates the possibility of slab settlement and cracks due to gaps between the rigid insulation and ground and reduces installation labour by up to 70 per cent. Double-sided tape enables rapid installation of the vapour barrier at the same time as the panels. Hexagonal gaps in the EPS (expanded polystyrene) facilitate radon gas evacuation. Vapour barrier prevents radon gas infiltration into the building.
"Site labour is so expensive," said Joey Fearn, chief executive officer. "Flex-R minimizes the labour required to install subslab insulation and a vapour barrier at the same time."
Flex-R intellectual property
U.S. patent
On May 27, 2025, Fab-Form applied for a U.S. patent entitled "Apparatus for Under-Slab Insulation, Radon Control and Damp-Proofing."
Abstract of the disclosure
There is provided an apparatus for underslab insulation, radon control and damp-proofing. The apparatus includes an insulation body having a first plurality of longitudinally extending and laterally spaced-apart elongate grooves and a second plurality of laterally extending and longitudinally spaced-apart elongate grooves intersecting with the first plurality of elongate grooves. Each groove extends from a bottom toward a top of the insulation body. The apparatus includes a vapour barrier coupled to the top and/or bottom of the insulation body. The grooves in the insulation body facilitate angular deflection of 10 adjacent lower portions of the insulation body while inhibiting airflow and heat transfer therethrough. The insulation body includes an upper portion above the grooves thereof, with each groove having an opening or width that is equal to or less than the thickness of the upper portion of the insulation body. Each groove has a depth-to-width ratio of equal to or greater than 5.
Canadian patent
On Oct. 20, 2025, Fab-Form purchased the right, title and interest in Canadian patent No. 3,029,299 from Jonathan Kowalchuk, an innovative concrete contractor. The patent, entitled "Vadir Barrier: A Concrete Slab Underlayment with All-in-One Void Form, Air Barrier, Drainage Plane, Insulation and Radon Protection," was issued on Jan. 28, 2020.
The company commends Mr. Kowalchuk's efforts in improving concrete construction with his invention. As the saying goes, great minds think alike.
Trademark
The company applied for Flex-R trademarks in United States and Canada in January, 2026.
The company will continue to update its stakeholders and the public on the progress of the patent application and the product's development.
About Fab-Form Industries Ltd.
Fab-Form Industries is a leading eco-friendly concrete-forming products manufacturer located in Vancouver, B.C., Canada. Since its inception in 1986, the company has invented, developed and commercialized foundation products that are greener and more sustainable for the building industry.
The company has traded on the TSX Venture Exchange (under the symbol FBF) since 2000.
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