Apex
Rock Max Structural Sheathing
Apex delivers high-end, modern windows and glass doors—once found only in luxury homes—now made affordable through in-house manufacturing and superior materials.
With industry-leading energy performance and craftsmanship, Apex brings ultimate quality to every full project or individual component.
Proprietary Formula
Advanced Material Composition
Proprietary Magnesium Oxide–based sulphate cement with a hydrophobic core and multi-layer fiberglass mesh reinforcement
Structural Strength & Efficiency
Structural, OSB-level strength that improves on drywall without corner beads or labor-intensive seam finishing
Fire, Moisture & Sound Performance
Non-combustible, mold-, water-, and bug-resistant with high sound attenuation
Applications
Rock Max as structural sheathing
Rock Max is used as a replacement to OSB in shear wall applications, roof sheathing and structural floor sheathing. It can be cut with conventional carbide saws, nailed and screwed in the same way and offers fire rating, water resistance and is mold proof and bug proof. Rock Max functions in place of multiple substrates in floor and exterior sheathing applications when stucco, stone veneer and tile work is performed. There is no need for backer board in case of tile applications and no need for expensive lath and plaster for stucco finishes or backer board for stone veneers.
Rock Max as backer board
Rock Max is used as backer board in dry and wet locations alike. It has a water proof screed together with a water-resistant core. It can be tiled over directly in every application, kitchen or bath or on floors. Rock Max combines backer board with the structural capability of OSB and that means that your backer board applications can become shear resistant in walls and structurally sound flooring.
Rock Max as dry wall
As a direct replacement to Gypsum board on walls and ceilings, Rock Max can function not only as a finish board like drywall but also in a structural capacity. Rock Max is hugely labor saving. Because of its density and toughness there is no need for corner bead in the finish process. Further yet, again because of its density and toughness there is no need for cumbersome labor-intensive mudding of seams. All seams are beveled ready to receive a flexible joint sealant which creates a smooth finish. And, if that’s not enough, there is no need for blocking or finding a stud when installing cabinetry as Rock Max receives screws like wood directly.
A Solution To Demanding Building Codes
Building codes are placing higher demands on fire safety, moisture resistance, and structural performance, making conventional materials insufficient on their own and increasing construction cost and complexity. Traditional solutions rely on multiple layers of materials to meet code requirements. Rock Max simplifies this by serving as a single, non-combustible, mold- and bug-resistant, water-resistant structural replacement for OSB, delivering all required performance in one durable solution.
