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 Magnum® Board
  General Info
  Architectural Specs
  Installation Guidelines



Product Applications

Magnum Building Products has engineered our complete Magnum Board sanded back product line to provide the building community with ICC AC 386 compliant ASTM Testing and Underwriters Laboratories Inc. approvals in the USA and Canada.

In doing so, use of all Magnum Board Products eliminates the toughest problems facing architects, engineers, contractors, builders and consumers today. Magnum Board Products are:

  • Virtually impervious to fire – are non-flammable and non-combustible
  • Virtually impervious to water – can be fully submerged for long periods of time with no affect dimensionally whatsoever
  • Unaffected by all insects – such as termites and carpenter ants
  • A non nutrient for mold or mildew
  • Are completely non toxic
  • Homogenous construction to eliminate delaminating
  • Available for almost every application required in construction for of your projects including Residential, Commercial and Industrial.
Magnum Building Product sanded back factory is ISO Certified and to ensure consistent quality, our quality control process receiving, in process and final inspections as well as quarterly audits by Underwriters Laboratories quality control personnel.

We support our theme of quality being number one throughout our manufacturing, packaging, delivery and customer use process by providing one of the best warranties in the construction material market today. We stand behind our products.


Available Products


Magnum™ Interior wall board, ceiling board, backer board and underlayment; and, exterior sheathing:  
  • 4’ wide X 8’, 9’, 10’ and 12’ lengths
  • Thicknesses ranging from 3MM (1/8”) to 24MM (1”)
  • Available in square edge and tapered edge for jointing and finishing

  1. Magnum® 1-11

  2. Magnum® T & G Sheathing

  3. Magnum® Roofing, Flooring Substrate and Sear Wall

  4. Magnum Board Smooth Front Surface

  5. Magnum Board Sanded Back Surface

  6. Magnum Board® Tapered Edges

Magnum™ Ceiling Tiles
  • 23 ¾” X 23¾
  • 6MM (1/4”) and 8MM (5/16”)
Magnum™ Exterior Lap Siding
  • 7 ½” wide and 8 ½” wide
  • 10’ and 12’ lengths in smooth, sanded and wood grain profiles
Magnum™ Soffit
  • Ventilated or non-ventilated
  • Widths including, 12", 18", 24" and 30"
  • Lengths including 8' for wood grain profile; 10' and 12' for smooth and sanded profiles
Magnum™ Fascia and Trim
  • Widths including 4", 6", 8", 10" and 12"
  • Lengths and profiles including 8' and 12' for wood grain; 8', 10' and 12' for smooth ans sanded profiles
  1. Magnum® Pneumatic Pins

  2. Magnum® Fasteners for light gauge steel and wood



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