The question and answer period is now closed for this grant cycle. All questions and answers are posted on this site.

Questions about the Tire Incentive Program grant application were accepted in writing only, no later than March 23, 2017. Similar or related questions were grouped together or reworded for clarity and responded to as one question.


  1. Can an applicant have more than one open Tire Incentive Payment (TIP) grant?

    Yes. Products included in one TIP grant cannot be included in another open TIP grant. Additionally, any products receiving a TIP incentive may not receive any other CalRecycle incentive or grant (including a Tire-Derived Product grant).

  2. I am a California manufacturer capable of purchasing truck tire buffings from a California waste tire processor and further processing the material to produce a fine (≤50) mesh product. May I use the material and claim the fine mesh incentive? If I sell the material to another manufacturer, can they claim the fine mesh incentive?

    Yes. With CalRecycle’s prior approval, a manufacturer may further reduce larger rubber material originally purchased from a California waste tire processor to produce their own fine (≤50) mesh for use in their Tire Incentive Program products or for sale to another applicant/grantee. Documentation must be provided if the original crumb material came from a California waste tire processor. The crumb rubber (≤50) mesh is subject to verification by CalRecycle or a CalRecycle contractor.

  3. Test Method ASTM D5644 defines the process for screening and determining particle size and particle distribution but does not provide a definition of what constitutes a specific mesh size. This may result in different interpretations of the amount of material that is larger or smaller than the identified size. For example, what constitutes fine (≤50 mesh) mesh crumb rubber?

    Particle size and particle size distribution as well as the screening process will be calculated according to ASTM D5644 and ASTM 5603, as appropriate. ASTM 5603 determines a minimum size designation, but not an upper limit on the mesh size. For example, material designated as 50 mesh (ASTM 5603 designation Class 50-X) would have zero material on a 40 mesh zero screen and not more than 10 percent retained on the 50 mesh designation screen.

    It may be useful for a manufacturer to specify (and a processor to provide) a mesh range (such as 50 to 80 mesh) and the percentage of material that must fall within that range. It is strongly suggested that manufacturers request a distribution table reflecting the sieve analysis of material provided.

  4. Does a grantee need to provide actual invoices of products sold to customers to claim reimbursement?

    No. However, invoices (and other supporting documentation) are required to be retained with the grantee’s onsite audit file. Every grantee will be audited after the grant term and may be subject to a review during the grant term.

  5. Our company will be substituting calcium carbonate with 40 mesh crumb rubber in our product. Does this qualify for the feedstock conversion rate of 40 cents per pound?

    Yes. The product must be currently produced and commercially sold using calcium carbonate. Products currently manufactured with virgin rubber, plastic or other material, which will be substituted with a minimum of 5 percent crumb rubber and may be co-extruded, injected, calendered or otherwise combined qualify for the feedstock conversion rate.

  6. Our company is currently receiving an incentive payment for a product under the TIP2 grant. Can this product be included in TIP4?

    Yes. Since the TIP2 grant term ends April 1, 2017, which is prior to the TIP4 application due date, an applicant may include the same product(s) in the TIP4 application.

  7. We have a product that received an incentive under the feedstock conversion category in the TIP2 grant. When applying for the TIP4 grant, would this product qualify under the feedstock conversion category at 40 cents per pound or as an existing tire-derived product category at 10 cents per pound?

    Products that were previously identified as feedstock conversion or a tire-derived product retain their prior designation. This may be revised in future cycles.


  1. I am interested in starting a manufacturing company that will produce an eligible Tire Incentive Product. Am I eligible to receive a grant?

    No. An eligible applicant must be fully operational for at least three years. Start up businesses or individuals (without an otherwise eligible manufacturing business) with an idea for a new or improved product are not eligible.

  2. If an applicant is approved for a new eligible product based on a concept drawing with title matching the product description, and subsequent changes are made to the product differing from the original concept drawing, would the changed product still be eligible?

    Yes. Provided the modification does not change the nature of the product and there is a legitimate business and marketing rationale to support the modification. For example, a flooring product cannot be “modified” to be a lawn-edging product, but a round delineator base may be changed to a square base to facilitate shipping.


  1. At what point is the incentive paid?

    Incentive payments are paid quarterly for the use of crumb rubber in sold (net of returns) eligible tire-derived products starting from the Notice to Proceed date through the end of the grant term.

  2. We currently have inventory of crumb rubber on hand. Can this be used for manufacturing awarded grant products?

    Yes. Inventory of crumb rubber on hand prior to the Notice to Proceed date is eligible for incentive payment.

  3. How much money is available?

    There is $3,000,000 available for this solicitation. This was revised to $3,000,000 during the end-of-the-year reallocation process for the Tire Fund. Grant awards range from $25,000 (minimum) to $500,000 (maximum).


No questions were submitted in this category.


  1. What materials qualify for the program incentive?

    Products manufactured using either crumb rubber from recycled California-generated waste tires or using California-generated truck tire buffings are eligible under the Tire Incentive Program. Additionally, end-of-life materials (typically, synthetic turf crumb rubber infill and playground or landscaping rubber nuggets/mulch) may be used to produce an eligible product. Refer to the Application Guidelines and Instructions for more information.

  2. Would a product manufacturer that uses crumb rubber in the asphalt material (as a substitute for oil or other material) qualify?

    Asphalt binder containing crumb rubber used in paving products (rubberized pavement, rubberized chip seal, etc.) is not eligible. Please refer to CalRecycle’s Rubberized Pavement Grant Program for more information. However, asphalt base stock used in non-paving applications (such as various roofing products and roadway patch products such as crack seal, etc.) may be eligible, if the binder contains at least five percent crumb rubber, by weight.

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