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Last modified: December 03, 2018

Magnesiacore Inc.

the economically viable alternative to drywall and plasterboard ©

Magnesiacore™ Technology uses proprietary processes with magnesium oxide compounds to deliver a versatile, non-combustible, and unique board material. This hard, inert and paperless construction panel has superior qualities over panels made from gypsum, cement, clay, wood and/or paper. For an easier, better and faster job, use Magnesiacore for your indoor and outdoor construction.

USE 9mm (~3/8") Magnesiacore instead of 5/8" (~16mm) gypsum drywall
USE 9mm (~3/8") 
Magnesiacore instead of 1/2" (~12mm) cement board
USE 12mm (~1/2") Magnesiacore instead of 5/8" (~16mm) particleboard

...for an environmentally friendly, salt, fire, moisture, heat and mold resistant construction board that insects and rodents can't feed on, and a better impact resistant, sound attenuating material.

Magnesiacore Inc. can supply compatible fillers, acoustical compounds, breathable and waterproof coatings, stucco rendering materials and tools for use with our core product. Our systems result in state of the art walls, decks and roofs ideal for construction environments from the tropical to the tundra.

Contact us about supplying your projects... Our technical service can provide complete assistance for detailed installation methods and design solutions, including novel and unique applications not possible with any other board material. Our high level of expertise in general building applications and manufacturing makes Magnesiacore Inc. the global leader in developing unique, innovative applications based on our core material.



We are once again proud to be used in building notable film sets for Carrie (2013 film) by MGM & Screen Gems Production, for the remake of the 1976 thriller of the original Stephen King novel.

Magnesiacore was used for building film sets to undergo pyrotechnical special effects in the making of the Jim Sheridan film Dream House (2011), a Universal Pictures & Morgan Creek Production Our product and technical recommendations saved the set crew significant time and money building safer, reusable non-combustible film sets.


Benefits & Advantages

Whether you are building a natatorium, redoing your indoor swimming pool drywall ceiling or ceiling tile, wainscoting parts of your home or spa, or just redoing your basement paneling or garage walls, magnesiacore technology can help you with a better, faster, and easier DIY job.

  • A new superior non-combustible construction board material with numerous applications in commercial projects of all kinds.

  • Revolutionary solid improvement when used in lieu of gypsum drywall and/or cement board, for indoor and outdoor applications. Provides a hard, long lasting surface that looks and feels like hard cement plastering, but is fireproof and resistant to damage from water, humidity, freezing, organisms, chlorine, salt and more. The ideal wallboard for pool buildings, garages, kitchen and wet areas or any of the more demanding areas in buildings.

  • Magnesiacore board in sheets can be applied to wood structures (below) and/or metal framing (above) or directly onto steel structure and masonry work with mechanical fasteners (screws, bolts, rivets, brads, staples, nails) and can also be used to laminate over existing surfaces using adhesives and cements. Used with a variety of joint fillers for different levels of resistance as desired or demanded by your specific application.

  • As a component for Light Steel Framing, magnesiacore allows buildings to be taller, bigger and lighter faster than other board products with more options in thickness for interior and exterior applications. Can be left natural with clear sealers or finished as needed.

  • A faster and better alternative to lathing and plastering; magnesiacore can be installed with taped joints like a drywall, gyprock or plasterboard; or spliced using specific fillers without taping; or with "T&G" tongue and grooved joints without any filling or taping... to save time for plaster tough walls at a fraction of the cost. A great substrate to receive exterior and interior decorative coatings directly to its surface.

magnesiacore roof top

  • Magnesiacore can be screwed in place with wood screws and/or quickly and strongly fastened with pneumatic guns using brads, staples or nails with less filling. Most laminating adhesives work better on magnesiacore.

flooring flooring flooring flooring flooring

  • Excellent soundproofing qualities. Unique attractive economical seamless commercial grade acoustical flooring. Can be installed floating over regular adhesives, or use our Acoustical Goo for better isolated mass dampening of ambient sound levels. Perfect for making flush seamless floor joints that prevents dirt build-up and permits easy maintenance for machine polishing and waxing. For a mezzanine assembly magnesiacore provides a non-combustible cementatious slab over steel structures.

  • For incredibly fast dry wallboarding that can be installed and painted within hours using fast setting fillers trimmed with a sharp blade (reducing sandpaper and sanding). Fillers can be cut flush without a tape over the panel joints and without needing corner-bead, metal trims etc. while giving you perfectly true square corners and edges naturally. Panels can be spliced between studs without landing joints over studs. i.e., using strips of magnesiacore behind the seam as a back-blocking splicer stapled or screwed together results in seamless flush joints on the front.

  • A concrete-hard dry wall material ideal for high impact areas, hot wet and humid areas; to receive paint directly or as a wall tile or floor tile backerboard. A backerboard that provides a 3000 PSI (20MpA) strong substrate for floor and wall tile, screwed or nailed in place without pre-drilling or laminated in layers to obtain any thickness. When nailed in place with a light brad nail gun a whole room can be made ready to tile in minutes. Every thickness from 6mm to 20mm can be nailed in place to wood studs, plywood subfloors, particleboards, OSB... even magnesiacore to magnesiacore with pneumatically applied brads.

laying magnesiacore


Salt (sodium chloride) brines and salt water
Chlorine bleach (sodium hypochlorite) & related pool chemicals
(ammonium hydroxide) & related cleaning chemicals
to water, moisture and cycles of freeze & thaw
Changes in
temperature up to 1,500
F or 800C
peated wetting and drying or freezing and thawing
Swelling, losing strength or deterioration
Molds, mildew, bacteria, fungus, termites, rodents & other organisms
Impact damage

Non-combustible class A building material - 3000PSI (20MpA)
Breathable and porous for strong coating and adhesive bond
Ideal for basements, garages, washrooms, wet areas and the drywall for pool ceiling and wallboarding
For ALL residential, commercial, industrial and institutional construction
Perfect for adding fireproofing to wood frame construction and elsewhere
Excellent acoustic dampening material with higher density and elasticity
Refractory material for infrared radiation (heat) assisting to reduce loss of energy when heating or cooling by reducing conductivity
, natural, non-toxic and disposable as crushable clean fill
friendly and produced without wasting large amounts of fossil fuel or releasing significant CO2 into the atmosphere in production
in chalk white and slate grey, custom colors and pre-cut sizes
Stronger and more rigid to allow thinner material to do the same job
Easier to work with using all types of hand tools and wood working equipment but also can be cut with a quick score and snap faster than drywall


Lighter than cement board; Smoother than drywall; More flexible than cement board; More rigid than drywall; and more inert than cement board, drywall or wood based board materials.

Magnesiacore's ceramic-like properties make it superior to cement board, calcium silicate boards, water resistant drywall, gyprock, gypsum board, plywood and particle board in diverse applications. Available in millimeter increment thickness from 3mm (1/8") to 20mm (7/8") and any size up to 4' x 8' (122cm x 244xm) standard. 4' x 10' (122cm x 305cm) is available by special order.


Samples Request
For requesting samples send email with address and phone number including a brief note about your business, the types of interest and uses to qualify. See the contact us page for the typical information required.

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Magnesiacore Inc. is registered in Ontario, Canada and based in the Greater Toronto Area to serve local and international markets world wide.

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