UltraStock Lightweight MDF Panels
UltraStock Lightweight MDF Moulding Board
Georgia Pacific UltraStock MDF board

UltraStock® Lite

UltraStock® Lite

  • Lighter panels help reduce the weight of ready-to-assemble products
  • Manufactured with 100% NAF resin
  • Can be used in applications such as moulding, door parts and cabinet doors
Less weight. Lots and lots of versatility.

Ready-to-assemble products are easier to manage when the panels weigh less and UltraStock® Lite is engineered to lighten the load. Manufactured with 100% NAF resins, UltraStock Lite provides outstanding machinability and top-quality finishing at the same time. Ideal for high-performance in a wide-range of non-load bearing applications.

Helps reduce the weight of ready-to-assemble products.

Manufactured with 100% NAF resin.

Panels can be painted, printed, stained, veneered or laminated with excellent results.

Machined edges can be finished smoothly and evenly.

Features MR10 thickness-swell, moisture-resistance designation.

Non-load-bearing components of cabinets, fixtures and furniture or any other application where reduced weight is a significant consideration.

All UltraStock panels are recognized by the California Air Resources Board (CARB) as no added formaldehyde (NAF) products by Executive Order N-15-021a.



3/8” –  3/4”


To 5’


To 16’

Physical Properties
Min Panel Averages (1)
3/8” to <1/2”          1/2” to 3/4”
MOR-Modulus of Rupture (psi)
2800                          2800
MOE-Modulus of Elasticity (kpsi)
280                            280
IB-Internal Bond (psi)
100                            90
Face Screw Holding Capacity (lbs)
222                            222
Edge Screw Holding Capacity (lbs) (2)
NA                             215
Formaldehyde Emissions - CARB II Compliant
✔                             ✔
24-Hour Thickness Swell
<0.0325”                     <5.5%
  1. One-panel minimum average per ANSI 208.2
  2. Not applicable for thinner than 5/8”
Length & Width

± 1/16” per panel


± 1/64” per ft. of length


± 1/64” per ft. of length

Thickness (within panel)

± 0.005”

Thickness (panel to panel)

± 0.005”

Environmental Credits
Recycled Content (MR credit 4)
Awards 1 or 2 points for using products with recycled content that constitute at least 10% or 20%, based on cost, of the total value of project materials.
Regional Materials (MR credit 5)
Awards 1 or 2 points for using materials on a project that are extracted and manufactured within 500 miles that constitute at least 10% or 20%, based on cost, of the total value of project materials.
Environmental Quality (EQ credit 4.4)
Requires composite wood products used on project to demonstrate documented compliance with California Air Resources Board ATCM formaldehyde requirements for ultra-low-emitting formaldehyde (ULEE) resins or no-added-formaldehyde (NAF) resins.
Low-VOC Emitting Materials (G2.9)
Specifies architects to select low-VOC emitting materials
Pre-consumer Recycled Content (604.1(2))
Use recycled content products in major areas such as walls, floor, insulation and roofing.
FSC® Certification (606.2(3))
Wood or wood-based products available that are certified by Forest Stewardship Council™.
Other Certification (606.2(6))
Wood-based components certified in accordance to CPA ECC 4-11.
Low Formaldehyde/VOC Emissions (901.4(a))
In compliance with ANSI A208.1.
Low Formaldehyde/VOC Emissions (901.4(c))
In compliance with CPA ECC 4-11.
Low Formaldehyde/VOC Emissions (901.4(d))
Composite wood contains no urea formaldehyde.

UltraStock products produced in the Georgia-Pacific facility in Mt. Jewett, Pennsylvania, have been awarded the Composite Panel Association (CPA) Eco-Certified Composite (ECC) grademark which verifies compliance with the CPA 4-11 ECC Sustainability Standard, the California Air Resources Board (CARB) Airborne Toxic Control Measure (ATCM) 93120 and the EPA TSCA Title VI rule.

ECC Eco-Certified Sustainable Use of Wood Fiber

UltraStock that is certified to conform to the requirements of Forest Stewardship Council® standards for FSC Mix Chain of Custody and Controlled Wood manufacturing is available by special order.

FSC Certified Building Products
MR10 Designation

Based on ANSI A208.2-2016 section 3.6, to receive the MR10 designation product samples must demonstrate the 24-hour thickness swell test value of 5.5% or less.


All UltraStock is CARB and EPA TSCA Title VI compliant. This Product contains no Added Formaldehyde.