Magnum Board Information
Magnum® Board
One product, practically every application. Magnum® Board is a technologically advanced building material that offers superior performance in every category when compared to traditional wood, gypsum and cement based products.
Magnum® Board is virtually impervious to fire, water, insects; does not feed mold or mildew; is non-toxic, non- flammable and non-combustible; is durable, maintains it’s dimensional stability – even when wet; and, has exceptional bonding characteristics.
Magnum® Board is a mineral based green builder product, and it is homogenous – no de-lamination.
Magnum® Board Products can have a positive impact on your Family’s health and safety while extending the life of your investment.
Magnum® Board is THE NEW GENERATION BUILDING MATERIAL.

Applications
Magnum™ SheathingFor use over metal or wood framed exteriors, Magnum® Sheathing is easily installed using either manual or pneumatic (strongly recommended) tools. Magnum® Sheathing can be finished with many products including paint, stucco, non-cementitous applications, tile and siding. And like all Magnum® Board products, Magnum® Sheathing is virtually impervious to fire, water, insects; does not feed mold or mildew; is non-toxic; provides dimensional stability even when wet; and an exceptional bonding surface. No more worrying about shrinkage if installed wet or damp.
Magnum™ Soffit
For use over metal or wood framed exteriors, Magnum® Soffit is easily installed using either manual or pneumatic (strongly recommended) tools. Magnum® Soffit, like all Magnum® Board products is virtually impervious to fire, water, insects; does not feed mold or mildew; is non-toxic; provides dimensional stability even when wet; and an exceptional bonding surface. Got rain at the job site? No problem with Magnum® Soffit. It can be installed wet or dry without the worry of shrinkage as it dries.
Magnum™ Fascia
For use over metal or wood framed exteriors Magnum® Fascia is easily installed using either manual or pneumatic (strongly recommended) tools. Magnum® Fascia, like all Magnum® Board products is virtually impervious to fire, water, insects; does not feed mold or mildew; is non-toxic; provides dimensional stability even when wet; and an exceptional bonding surface. Got rain at the job site? No problem with Magnum® Fascia. It can be installed wet or dry without the worry of shrinkage as it dries.
Magnum™ Wallboard & Ceiling Board
For use over metal or wood framing, Magnum® Wallboard and Magnum® Ceiling Board is easily installed using either manual or pneumatic (strongly recommended) tools. Magnum® Wallboard and Magnum® Ceiling Board, like all Magnum® Board products are virtually impervious to fire, water, insects; do not feed mold or mildew; are non-toxic; provides dimensional stability even when wet; and an exceptional bonding surface. Because of their smooth and durable surfaces, a level 5 drywall finish can be achieved with little effort. Magnum Board finishes can include painting, interior stucco, brick, tile, wall paper and other finish applications.
Magnum™ Backer and Underlayment
For use over metal or wood framed walls and floors; and as an underlayment for counter and vanity tops. Magnum® Backer and Underlayment are excellent for use in wet or damp areas such as bathrooms, laundry rooms, kitchens, basements and pool areas because they are virtually impervious to fire, water and insects; will not feed mold or mildew; and are non toxic. They provide excellent dimensional stability, bonding surface capability and durability. Finishes can include such products as latex paints, wall paper and tiles of all types. For tile applications use only thinset mortor adhesives. Avoid using Type 1 or Type 2 organic mastic adhesives which are significantly inferior to thinset
Magnum™ Shaft-liner & Area Separation Wall Sheathing
For use over metal or wood framing, Magnum® Shaft-liner, like all Magnum® Board Products, is virtually impervious to fire, water, insects; does not feed mold or mildew; is non-toxic, non-flammable and non-combustible. Magnum® Shaft-liner and Area Separation Wall panels are ideal for use in moisture prone vertical and horizontal shaft wall assemblies, stairwell and area separation wall applications. Based on fire testing, approximately one-half of Magnum® Panel thicknesses are required to achieve fire ratings – reducing both schedule and labor costs.
Magnum® Board Installation Guidelines
Storage and Handling
Even though Magnum® Board is virtually impervious to most elements, provides exceptional durability and dimensionally stabile – even when wet - for best results we recommend that you:
- Keep material dry prior to and during installation
- Store flat on dunnage
- Do not stack other materials on top of Magnum® Board
- Protect the material from jobsite dirt, and
- Protect edges from damage
Work Station
Cutting Methods Best
Better
Good (for low to moderate cutting only)
NOTES: |
|
Fastening with Pins
Fastening With “T” Nails
Fastening with “Hilti” Screws
NOTES: |
| During clean-up, dust and debris,
NEVER dry sweep as it may excite dust particles into the
user’s breathing area. Instead, wet debris down with a fine
mist to suppress dust during sweeping, or use a HEPA vacuum
to collect particles.
NOTES: |
|
Technical specifications
Spec Sheet is in development.
Call for details.
Testing
MAGNUM BOARD® by Magnum Building Products
Composed of MgO and MgCl fillers and fiber reinforcement.
A homogenous product that provides strength, flexibility and no delamination.
Tested to ASTM C1186, ASTM C1325 and ASTM C1396 as required by the International Code Council (ICC)
MAGNUM BOARD® is Virtually Impervious to:
Fire – Non-Flammable (E84) and Non-Combustible (E136)
Water – Does Not Feed Mold or Mildew
Insects – Such as Termites.
MAGNUM BOARD® is Non-Toxic (U-Pitt Protocol)
MAGNUM BOARD® is approved for interior
applications such as:
Underlayment – Walls - Ceilings - Trim
MAGNUM BOARD® is approved for exterior
applications such as:
Wall substrate - EIFS – SIPS - Fascia – Soffit – Trim
Available in 4’ x 8’, 9’, 10’ and 12’ dimensions and 1/8” to 1” thicknesses. Available with tapered edges for jointing.
MAGNUM BOARD® is a registered trademark
MSDS
Link to MSDS pdfMagnum Board Warranty
30 YEAR PRODUCT WARRANTY
Limited – Prorated – Transferable
1. Coverage
Magnum Building Products warrants to the first owner of the
structure to which all Magnum® Sheathing products (hereinafter
Product) is applied and the first transferee of such structure that,
for a period of 30 years from the date of purchase, the Product will
be free from manufacturing defects, including rotting, swelling,
delamination and damage from termites, when properly installed and
maintained according to Magnum Building Products published
installation instructions. Should any such defect appear, Magnum
Building Products will pay to repair or will provide replacement
material, at its option, for the defective Product Magnum Building
Products also reserves the right to refund the amount paid for the
Product, subject to the prorating schedule set forth herein.
Under no circumstances and in no event shall Magnum Building
Products be liable for any labor charges or other expenses
whatsoever in connection with the removal or installation of either
the original or replacement Product. In the event of repair or
replacement under the terms of this warranty, the original warranty
shall apply to the replaced or repaired product and will extend for
the balance of the warranty period in effect at the time the Product
proved defective.
The coverage offered by this warranty is intended to cover
individual homeowners only.
If during the Warranty period, any Product proves to be defective,
Magnum Building Products, in its sole discretion, will replace the
defective Product before it is installed, or, during the first year,
reimburse the covered person for resulting losses up to twice the
retail cost of the defective portion of the Product. During the 2nd
through the 30th year, the Warranty payment will be reduced by 3.3%
each year such that after the 30th year no warranty will be
applicable.
Number of Years of Use Obtained After Installation Magnum
Building Products’ Prorated Share of Warranty Obligation
Year 1 Capped at twice the retail cost of the defective portion of
the Product. Years 2 through 30 shall incur a 3.3% reduction per
year.
If the original retail cost cannot be established by the covered
person, the cost will be determined by Magnum Building Products in
its sole and reasonable discretion. Magnum Building Products
replacement of the defective Product or granting of a refund
pursuant to Section 1 of this Warranty SHALL BE THE SOLE EXCLUSIVE
REMEDY available to the covered persons with respect to any defect.
Magnum Building Products will not refund or pay any costs in
connection with labor or accessory materials. Any refund or material
replacement by Magnum Building Products shall constitute a full
settlement and release of all claims of any covered person hereunder
for damages or other relief, and shall be a complete bar to any
litigation filed subsequently to the covered person’s acceptance of
such agreement.
2. Conditions of Warranty
The Product must be stored according to the manufacturer’s
instructions at all times between purchase and installation.
The Product must be installed according to Magnum Building Products
printed installation instructions and all building codes adopted by
federal, state or local governments or government agencies and
applicable to the installation.
Failure to install and finish the Product per the manufacturer’s
published instructions may affect Product performance and voids the
Warranty.
3. What the Customer Must Do
The claimant must provide proof that he/she is a covered person and
notify Magnum Building Products in writing within 30 days after
discovery of any claimed defect or failure covered by this Warranty
and before beginning any permanent repair.
The claimant must provide proof of the date of purchase and
installation, as well as proof of property ownership. All
notifications should be sent to: Magnum Building Products, 46615
Tennis Island Road, Wellesley Island, NY 13640.
Upon discovery of a possible defect or failure, the covered person
must immediately, and at the covered person’s own expense, provide
protection of all property that could be affected until the defect
or failure is remedied.
The property owner will be required to submit a sample and
photographs of the defective material to Magnum Building Products
for the analysis. Magnum Building Products will then investigate the
claim and examine the material claimed to be defective.
If requested, the property owner must provide access for examination
by an agent of Magnum Building Products. If a defect covered by this
warranty is confirmed, Magnum Building Products, within a reasonable
amount of time after the inspection, will repair or replace the
Product, or refund the original purchase price of the defective
Product, pursuant to the terms of this warranty.
4. Limitations
This warranty does not provide protection against any failure,
defect or damage caused by situations and events beyond normal
exposure conditions, including but not limited to:
+ Misuse, abuse, neglect or improper handling, shipping, storage or
installation of the Product.
+ Improper application or application not in strict adherence to
Magnum Building Products written application instructions.
+ Improper installation of stubs or other accessories.
+ Settlement or structural movement and /or movement of materials to
which the Product is attached.
+ Damage from incorrect design of the structure.
+ Exceeding the maximum designed wind loads.
+ Use of accessories that do not properly receive and/or secure the
Product.
+ Impact of foreign objects, fire, earthquake, flood, lightning,
hurricane, tornado, severe weather (including, but not limited to,
unusual climate conditions) or other casualty or act of God.
+ Growth of mold, mildew, fungi, bacteria, or any organism on any
surface of the Product (whether on the exposed or unexposed
surfaces) and in this respect, any claims of damage caused by mold
or mildew are expressly excluded.
+ Lack of proper maintenance or any cause other than manufacturing
defects attributable to Magnum Building Products. Magnum Building
Products will have no responsibility hereunder for defective Product
subjected to further processing or alteration after shipment.
+ Magnum Building Products reserves the right to discontinue or
modify any of its Products without notice to the property
owner/consumer and shall not be liable as a result of such
discontinuance or modification. If Magnum Building Products replaces
any material under this warranty, it may substitute Product
designated by Magnum Building Products to be of comparable quality
or price range in the event the Product initially installed has been
discontinued or modified.
5. Other Conditions:
IN NO EVENT WILL MAGNUM BUILDING PRODUCTS BE LIABLE FOR ANY
INCIDENTAL, SPECIAL, INDIRECT, OR CONSEQUENTIAL DAMAGES OF ANY KIND,
INCLUDING ANY DAMAGE TO THE BUILDING, ITS CONTENTS OR ANY PERSONS
THEREIN, WHETHER RESULTING FROM NONDELIVERY OR FROM THE USE, MISUSE,
OR INABIITY TO USE THE PRODUCT OR FROM DEFECTS IN THE PRODUCT.
SOME STATES DO NOT ALLOW LIMITATIONS ON, OR THE EXCLUSION OF INCIDENTAL OR CONSEQUENTIAL DAMAGES, SO THE ABOVE LIMITATIONS MAY NOT APPLY.
THIS WARRANTY REPLACES ALL OTHER ORAL OR WRITTEN WARRANTIES, LIABILITIES OR OBLIGATIONS OF MAGNUM BUILDING PRODUCTS. PERTINENT STATE LAW SHALL CONTROL FOR WHAT PERIOD OF TIME FOLLOWING THE SALE A PROPERTY OWNER/CONSUMER MAY SEEK A REMEDY UNDER THE IMPLIED WARRANTY OF MERCHANTABILITY OR OF FITNESS FOR A PARTICULAR PURPOSE.
IN NO EVENT SHALL MAGNUM BUILDING PRODUCTS BE LIABLE FOR CONSEQUENTIAL OR INCIDENTAL DAMAGES OF ANY KIND, INCLUDING ANY DAMAGE TO THE BUILDING, ITS CONTENTS, OR ANY PERSONS THEREIN, RESULTING FROM THE BREACH OF THE WARRANTY. NO FIELD REPRESENTATIVE OR DISTRIBUTOR OR DEALER OF MAGNUM BUILDING PRODUCTS IS AUTHORIZED TO MAKE ANY CHANGE OR MODIFICATION TO THIS WARRANTY.
SOME STATES DO NOT ALLOW LIMITATIONS ON, OR THE EXCLUSION OF INCIDENTAL OR CONSEQUENTIAL DAMAGES, SO THE ABOVE LIMITATIONS MAY NOT APPLY.