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FAQs (Frequently Asked Questions)
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Magnesiacore board can be handled and stacked much like drywall or gypsum board. Jobsite delivery and handling by conventional building supply delivery vehicles shipped on sturdy pallets.
tab joints make perfectly flush
Spliced Jointing No Tape Required
finishing and painting without sanding
jointing without sanding
Magnesiacore Acoustical Panel Assembly
cut drill score snap edge
polishing for a natural finish
Painted Magnesiacore Floor 2
LEED and LEED CREDITS
Magnesiacore provides FULL LEED credit for all uses - LEED benefits include:
Meets or exceeds performance requirements of traditional materials:
- Sufficient, predictable strength, durability and stability
- Resists moisture, decay and bio-contamination
- Non-toxic and non-hazardous to occupants and installers
- Is of comparable cost (labor + materials + equipment + other costs)
- Able to be installed efficiently and effectively
Does not negatively impact on natural ecosystems:
- No raw material components are harvested or mined
- Non-toxic and non-accumulative in the environment
- All components are reclaimed or recycled from other industries.
- There are no ecological costs for raw materials
- Reduces waste generated by other industries
- Does not require damaging maintenance, operations or disposal practices
- Waste material is clean soil-assimilating and non-contaminating.
Does not exceed the ability of resource bases to renew themselves:
- Abundant sources of recyclable materials from other vital industries
- Nothing is grown, harvested or mined
- Closed loop raw material sources taken from vital industries that avoid creating waste materials
- Minimal direct or indirect use of nonrenewable resources
- Adaptable, reusable and recyclable
- Does not spawn the use of unsustainable materials
Which fillers and jointing products do I use?
Magnesiacore is a solid integral material without a separate face sheet. It is a finely porous dense sponge, but the edges are as hard and sound as the surface. Conventional fillers and jointing materials used with gypsum, cement and wood will work better on magnesiacore. Magnesiacore can supply accessory products developed and tested with our board material for many of the applications shown on our website.
The installation shown on our video results in strong joints and eliminates the need for tape, mesh or reinforcing materials over the board face, saving time and labor costs. Pictures of filler applied & trimmed by cutting and scrapping with a blade before fully cured without taping or sanding.
What is coverage for stucco or floor-mix on Magnesiacore?
Magnesiacore provides a uniform surface for applying costly stucco type materials. A uniform smooth surface of magnesiacore as the base saves from five to ten times more stucco over a typical rough uneven handmade plaster/cement base.
Likewise, when laying ceramic floor tile over a magnesiacore base floor-mix can be applied using a 1/4" toothed spreader, using one quarter the amount of flooring adhesive of a 1/2" toothed spreader. This can extend floor coverage of a standard floor mix bag by up to four times, reducing costs substantially.
How to make a magnesiacore panel system with concealed fasteners?
Pictured below is a simple hidden fastener system for T&G panel walls. It utilizes two basic clips. One for the bottom panels which is a "J" shape metal that is secured to the structure and clips into the "Groove" of the bottom panel. The top metal strap is screwed onto the back of the magnesiacore panel and then onto the structure from the front. The next panel wedges its "Grooved" edge over the "Tongue" of the other panel bellow thus concealing the metal strap at the top.
How to do panels that interlock without T & G edges?
Adding metal, wood or plastic strips on the back of the board (with screws or glue), off-set from one another on adjacent boards, functions like T & G without routered edges. This is especially useful when using thin material that does not have the necessary thickness to groove, and also saves installation time when cutting on the jobsite.
Which side do I use?
Magnesiacore has a smooth side and a textured side. The smooth side is more for painting, thin coatings and mastic adhesives. The textured side is for heavier coatings, stucco, ceramic tiles, stone, brick and other finishes applied with thick paste cement sand based adhesives.
Either sides can be treated as finish material, ready to receive paint, sealers and adhesives to create more options. Either side can be sanded to obtain different sheens, roughness and effects.
Magnesiacore's textured side is rendered dimensionally uniform by machined scoring that provides a uniform surface for greater versatility of uses. The fine uniform texture is also suitable for painting or can be left as a natural texture as pictured below.
What is recommended thickness for use as wallboard?
9mm (3/8") is recommended for a wall board in place of drywall. It provides a plaster hard wall that installs like drywall.
What is recommended thickness for ceramic tile floor backerboard?
We recommend 6mm (1/4") or 3mm (1/8") for laminating over existing plywood sub-flooring, floor boards or over the old finished floors without removal. We recommend Acoustical Goo be used as the adhesive for the laminating with flexibility for movement of the structure below the ceramic floor assembly.
What is recommended thickness for ceramic tile wall backerboard?
We generally recommend 12mm (1/2") and 9mm (3/8"), but thinner magnesiacore can be used when laminating over existing walls.
What type of edge does Magnesiacore have?
Magnesiacore comes with a 90 degree square edge. The core is as dense as the surface and is not friable. There is also no paper face or skin to worry about. This allows magnesiacore to be machined with "v" grooves or T&G (tongue and groove) joints, which can glue together as butt joints instead of taping. For making tapered edges, a thickness of the face surface can be removed to create any bevel type, width, or amount of recess for taping or other treatments. Edges can also be sanded smooth and rendered the same as the surface of the board or planed ready for paint. This allows corners to be finished square without the use a cornerbead or "J" trim for exposed edges.
Do I need to pre-drill or countersink for screws?
Magnesiacore is more dense than drywall but less dense than cement board. Standard lightweight drywall screws will self-drill, but the wide head may break-off instead of countersinking if not pre-drilled. Standard weight carpentry screws with smaller heads are therefore recommended. Stainless Steel screws are recommended when necessary to avoid rust.
Will magnesiacore take screws and nails?
Yes. For fastening onto magnesiacore with screws, pre-drill a starter hole smaller than the shaft of the screw. This will create sharp threads and hold stronger than plywood. The same process of a starter hole can be used for nails. Without a starter hole, the threads tend to strip and give a weaker hold.