Order by 24/7 by web, contact our sales reps or call by phone.
What you need, when you need it, all in one place.
Most orders ship same day.
Advice and support from knowledgeable professionals.
UltraStock MR50 MDF board is a Georgia-Pacific MDF panel designed as a sheet stock solution for woodworking projects that face moisture and humidity. The 3/4 inch thickness creates a substantial core for cabinet components or casework where a standard MDF panel is desired but added moisture resistance is important. The 61 x 145 inch size provides a large format sheet, which helps lay out bigger parts with fewer seams and joints during cutting. This UltraStock MR panel is classified as moisture resistant, so it withstands exposure to moisture and humidity better than conventional MDF, supporting stability where intermittent damp conditions are present. The board is described as Ultra-Low Emitting Formaldehyde, which helps meet demand for environmental-sensitivity in woodworking spaces. The MDF is also identified as FSC, which supports projects that require material with a recognized forest certification.
This UltraStock MR MDF board is supplied as sheet stock in a 61 x 145 inch format, so it enters the workflow like other MDF panels and can be broken down on panel saws designed for large sheets. The 3/4 inch standard core thickness lets the panel integrate smoothly into layouts that already assume common MDF thickness, simplifying dimensioning for cabinets or fixtures. As a moisture resistant MDF classified as MR, the panel is suited for interior environments where humidity and occasional moisture exposure are present, aligning with projects that demand better performance than conventional MDF in those conditions. The ULEF description supports use where lower formaldehyde emission characteristics are valued in occupied interiors. The Georgia-Pacific UltraStock MR product identity and FSC designation help align this panel with specifications that name moisture resistant MDF from a recognized manufacturer and seek certified sheet goods.
The UltraStock MR50 MDF panel, identified as moisture resistant MR MDF 3/4X61X145, is built for interior projects where exposure to moisture and humidity is part of normal conditions. By combining 3/4 inch thickness with the UltraStock MR moisture resistant core, the panel supports use in casework, cabinet components, or other MDF-based assemblies that benefit from added resistance to damp air. The extended 61 x 145 inch size functions well in shops cutting oversized parts, allowing tall or wide elements to be nested from a single Georgia-Pacific UltraStock MR MDF sheet. Because the panel is described as ULEF, it meets demand for environmental-sensitivity related to formaldehyde emissions, which matters in finished interiors where occupants spend significant time. The FSC identification further connects this moisture resistant MDF sheet stock to projects that track certified wood products, streamlining documentation requirements on commercial or institutional work.
The MR MDF 3/4X61X145 dimensioning gives installers and fabricators a predictable starting point when planning cut lists, because the 3/4 inch thickness aligns with common hardware and joinery assumptions used around MDF sheet stock. The larger 61 inch width compared to many standard panels can improve yield on wide cabinet sides or long runs, which can reduce the number of seams or joints across a bank of cabinets. UltraStock MR moisture resistant MDF responds to environments with moisture and humidity better than non-MR MDF, supporting panel performance where intermittent dampness can occur in service. The Ultra-Low Emitting Formaldehyde ULEF description reflects a panel engineered to address formaldehyde emission concerns, which ties into specifications calling for environmentally sensitive sheet materials. The FSC designation supports repeatable compliance on jobs that consistently require certified Georgia-Pacific MDF products across multiple phases of work.
The UltraStock MR MDF panel is specified as MR MDF 3/4X61X145, giving a 3/4 inch thick sheet measuring 61 inches by 145 inches for large-format layout and cutting.
The moisture resistant MR classification means the UltraStock MR MDF is designed to withstand exposure to moisture and humidity better than standard MDF, supporting performance in damp-prone interiors.
The UltraStock MR MDF board is described as Ultra-Low Emitting Formaldehyde, which supports environmentally sensitive projects where lower formaldehyde emission characteristics are important.
This Georgia-Pacific UltraStock MR MDF is identified as FSC, which supports projects that require sheet stock carrying a Forest Stewardship Council certification reference.
The 3/4 inch thickness on this UltraStock MR MDF panel suits cabinet components, casework, and similar assemblies that are designed around a standard MDF core thickness.
The 61 x 145 inch size provides an oversized MDF sheet, which helps nest tall or wide parts from a single panel, reducing seams across large cabinet or fixture sections.
The Georgia-Pacific UltraStock MR50 MDF board in 3/4 inch thickness and 61 x 145 inch format combines moisture resistant MR performance with ULEF and FSC identification, aligning with projects that demand environmental-sensitivity and certified sheet stock. Using this MR MDF 3/4X61X145 panel as sheet stock supports large, continuous parts where moisture and humidity are factors. For woodworking, cabinet, or interior fixture jobs that specify moisture resistant MDF and value documented emission and certification attributes, this UltraStock MR moisture resistant MDF sheet stock offers a clearly defined option.
Sold In: 1 Sheet
