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First Phosphate Enters into LOI for Rapidwall Manufacturing Plant to Support Housing for Rural and Indigenous Communities in Canada and the United States

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First Phosphate Enters into LOI for Rapidwall Manufacturing Plant to Support Housing for Rural and Indigenous Communities in Canada and the United States






First Phosphate Corp. (CSE: PHOS) (OTC: FRSPF) (FSE: KD0) is pleased to announce that it has entered into a partially binding letter of intent with Rapid Building Systems Pty Ltd of Adelaide, Australia for the development of a Rapidwall Manufacturing Plant in the Saguenay-Lac-St-Jean Region of Quebec, Canada. Upon acceptance of terms for the supply of a Rapidwall Manufacturing Plant by RBS, First Phosphate will be granted a license for the exclusive sales and marketing rights for Canada to RBS’s Rapidwall and Rapidseal products.


The Rapidwall Manufacturing System would allow First Phosphate to upcycle the clean phosphogypsum produced from its proposed purified phosphoric acid plant into building material panels which could be used to support housing for rural and indigenous communities in North America. Rapidwall pilot video can be seen at:


Rapidwall is a prefabricated load bearing walling panel manufactured in a moulding process using glass-fibre reinforced, water-resistant gypsum plaster suitable for use in single, double or multi-storey housing and for commercial and industrial development.


Rapidwall eliminates the need for bricks, timber wall frames and plasterboard as it serves as both the internal and external load bearing wall, and in turn, reduces the use of more greenhouse gas intensive construction materials relative to traditional building practices. For more details regarding Rapidwall product specifications, including construction details, sound transmission, fire resistance and thermal insulation properties and specifications, please see the rapidwall website at


The Rapidseal Manufacturing System would also allow First Phosphate to upcycle phosphogypsum from its proposed operations into a fire resistant spray plaster (gypsum) for solutions developed against spontaneous combustion and fire-prevention in mining, bio-organic landfill and forestry operations. This segment is especially of interest in northern Quebec and other northern Canadian and American rural areas and indigenous communities given the traditional forest fire dangers in these remote communities. Rapidseal pilot video can be seen at:


“We are pleased to have tested First Phosphate phosphogypsum and can confirm that it will be able to produce excellent quality Rapidwall building material,” says RBS General Manager, Ben Lucas. “This is some of the highest quality phosphogypsum feedstock that we have ever tested, material which does not require the additional purification or neutralization that do most other gypsums from around the world. First Phosphate gypsum can be directly calcined to produce Rapidwall or Rapidseal material to provide additional revenue streams for the Company with minimal processing steps.


“Rapidwall and Rapidseal will help to valorise our clean phosphogypsum into products which are vital to rural and indigenous communities across North America,” says First Phosphate CEO, John Passalacqua. “This is an exceptional development in our commitment to a circular economy and to upcycling of our waste streams. First Phosphate and the LFP battery segment in North America will contribute to decarbonisation and to a cleaner economy in all ways possible.”


Upon completion of its mine, First Phosphate expects to have access to clean igneous anorthosite phosphate-bearing rock in Quebec, Canada that it intends to purify into battery-grade purified phosphoric acid for making iron phosphate precursor to support the development of the lithium iron phosphate battery ecosystem in North America. The phosphogypsum bi-product produced from the purification of igneous phosphate rock into PPA is expected to produce low-contaminant gypsum bi-product which can be upcycled into Rapidwall or Rapidseal. These high-quality gypsum bi-products have been used broadly in Australia, Africa, Europe, Asia and South America for decades. Now North America will have access to the same approach to a circular economy (a model of production and consumption, which involves sharing, leasing, reusing, repairing, refurbishing and recycling existing materials and products as long as possible, thereby injecting further revenue into the local economy).


It is projected that a 150,000 tonne PPA plant could produce roughly 700,000 tonnes of clean recyclable gypsum which, using Rapidwall technology, could be used to build approximately 25,000 stand-alone three bedroom homes every year or 50,000 two bedroom apartment units for rapid deployment into rural and indigenous communities across North America. The Company’s access to clean phosphogypsum on a commercial scale is dependent on, among other things, the completion and operation of a mine on one of its properties in the Saguenay-Lac-Saint-Jean region of Quebec and the completion of its proposed PPA plant.


The Company has also granted 290,000 restricted share units of the Company to two eligible consultants of the Company. The RSUs vest in 3 tranches (40% on August 31, 2024, and 30% on both November 30, 2024 and February 28, 2025). The RSUs are subject to the terms of the Company’s Omnibus Equity Incentive Plan as approved by disinterested shareholders at the Company’s annual and special meeting of shareholders held on August 25, 2023. All securities issued are subject to a hold period of four months plus one day from the date of issuance.




About Rapidwall


Rapidwall is a cost effective building material manufactured using plaster produced from natural or by-product industrial waste gypsum which is transformed into durable, load bearing Rapidwall panels suitable for high-rise, residential, commercial and industrial building construction. Rapidwall homes and buildings are now being constructed around the globe. Rapidwall has been earthquake tested, is cyclone and fire resistant, water and rot resistant, load bearing, termite resistant, sound proof and 100% recyclable.


About Rapidseal


Rapidseal is a range of Gypsum Plaster products that are utilised in a variety of construction, civil and mining applications. These products replace dangerous PFAS chemical, with safe, inert and cost-effective sprayed solutions. Rapidseal products have been used to address spontaneous combustion in coal mines and stockpiles through the rapid coating of strata so as to seal off gases escaping from the coal while further preventing ongoing spontaneous combustion with negligible impact on the calorific value of the coal. Rapidseal products are also used as lightweight coatings which provide fire protection to structural steel elements used throughout construction industry.


About First Phosphate Corp.


First Phosphate is a mineral development company fully dedicated to extracting and purifying phosphate for the production of cathode active material for the Lithium Iron Phosphate (“LFP”) battery industry. First Phosphate is committed to producing at high purity level, in responsible manner and with low anticipated carbon footprint. First Phosphate plans to vertically integrate from mine source directly into the supply chains of major North American LFP battery producers that require battery grade LFP cathode active material emanating from a consistent and secure supply source. First Phosphate holds over 1,500 sq. km of royalty-free district-scale land claims in the Saguenay-Lac-St-Jean Region of Quebec, Canada that it is actively developing. First Phosphate properties consist of rare anorthosite igneous phosphate rock that generally yields high purity phosphate material devoid of high concentrations of harmful elements.

Posted May 8, 2024

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