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Bone Dry Primer (1 Gallon)
For use on block walls or extremely porous concrete
  • Use prior to Bone Dry Sealers
  • Allows Bone Dry to react with concrete on extremely porous concrete
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Bone Dry Primer

Treat Pervious Concrete and Block Walls with Bone Dry Primer for Ultimate Sealing Power

Pervious concrete is a cost effective building material requiring less cement than materials of lower permeability. The ability of these materials to absorb moisture is useful in an array of applications – its porous characteristics lend to proper absorption of rain in streets and parking lots, reducing flash floods, rainwater pollution, and water table depletion. But in homes and businesses, where these materials will be covered by wood paneling or laminate flooring, the moisture allowed to permeate can cause damage. A moisture mitigation solution is required to prevent problems like:

  • Microbe, mold, and, other organic growth
  • Latex, acrylic, urethane, and water-based adhesive failure
  • Distortion of cement floor and block-wall coverings
  • Warping of hardwood flooring
  • Cupping of linoleum tiling
  • Peeling of carpeting

Bone Dry Primer Prepares Pervious Concrete for Sealing

Bone Dry Primer is a colorless, non-toxic solution. Designed to provide additional alkali bonds, it reacts with Bone Dry Original, Bone Dry Pro, or Bone Dry Plus products to create a permanent moisture seal in pervious concrete structures. These new alkali molecules lend greater bonding strength for Bone Dry’s sealing products by filling the wide interstitial gaps characteristic of pervious cement materials.

Contact the concrete sealing experts at Bone Dry to learn more about Bone Dry Primer and other moisture mitigation solutions.

Use Bone Dry Primer with our Moisture Mitigation Products

Bone Dry Primer is best used with Bone Dry concrete sealers like:

  • Bone Dry Original – Permanent concrete sealer protects concrete coverings
  • Bone Dry Plus – Permanently seals concrete with added anti-microbial protections
  • Bone Dry Pro – The complete concrete moisture mitigation solution, suitable for commercial applications

How to Seal High-Porosity Concrete

Unfortunately, sealing high-porosity concrete with conventional concrete treatment products may not completely mitigate moisture – which means you’ve just spent time and money on an ineffective sealing product.
Bone Dry’s concrete moisture mitigation system offers superior protection from the effects of dampness hiding deep within concrete slabs and subfloors. However, dealing with pervious concrete like Shotcrete, Gunite, or cement block walls requires an additional solution – Bone Dry Primer.

Application of Bone Dry Concrete Primer

Proper application of low viscosity Bone Dry Primer is simple –

  1. Saturate the pervious concrete surface using a hand-pumped garden sprayer for medium areas, or an airless sprayer for larger areas. Disperse pooling liquid on horizontal surfaces with a mop or broom. (If Bone Dry Primer soaks in completely in less than 15 minutes, reapply)
    • Use with unpainted surfaces only – primer cannot penetrate latex, acrylic, or polyvinyl paints
    • Surface cleaning is required for oil, grease, and acidic conditions
  2. When Bone Dry Primer is dried to a damp condition, Bone Dry Concrete Sealers can be applied.
Bone Dry Primer is the solution for sealing extremely porous concrete floors and walls – contact Bone Dry to get a quote on all our products.

Bone Dry Primer penetrates deeply into porous substrates where its active ingredients fill small cracks and voids and interstitial spaces between the matrix particles. These deposits will react with Bone Dry to fill all of the small spaces within the substrate to form a permanent water barrier.


(To ‘Fortify’ Concrete Block, Gunite & Shotcrete With Alkali Prior To Sealing With Bone Dry PCS)

Bone Dry Primer is a colorless, non-toxic, non-flammable, low viscosity, spray applied liquid formulation that adds alkali to porous substrates such as concrete block, shotcrete or gunited concrete prior to subsequent applications of Bone Dry PCS.

Manufactured By:
Bone Dry Products, Inc.
9114 58th Place, STE 400
Kenosha, WI 53144

Product Description

Bone Dry Primer penetrates deeply into porous substrates where its active ingredients fill small cracks and voids and interstitial spaces between the matrix particles. These deposits will react with Bone Dry PCS to fill all of the small spaces within the substrate to form a permanent water barrier.


  • allows porous concrete materials to be internally waterproofed with Bone Dry PCS.

Limitations :

  • Bone Dry Primer is formulated solely for cement based building materials and does not effectively penetrate asphalt, metal or wood, brick or masonry
  • Bone Dry Primer will not penetrate acrylic or nonporous rubber based paints
  • Bone Dry Primer must be applied at full strength to attain the desired results
  • over application of the material may cause white deposits to form on the surface. These deposits should be removed by brushing and/or flushing with water prior to subsequent applications of BONE-DRY.


Bone Dry Primer is a non-toxic, (water based) blend of inorganic suspended solids which extend throughout porous substrates to provide the additional alkali required to react with the Bone Dry PCS. Bone Dry Primer contains no organic materials or inorganic heavy metals. Bone Dry Primer is neither flammable or explosive and does not emit any harmful fumes.


  • 5 Gallon Plastic Pails
  • 55 Gallon Steel or Plastic Drums


Physical Properties

Appearance Colorless Odor Negligible Toxicity None Flash Point None Resistivity 50 Ohms pH 9.0 pH Scale Units Total Solids 5.1 % Specific Gravity 1.045


Preparatory Work:
No preparatory work is generally required. However, if the surface is coated with heavy wax, thick grease, recently applied surface sealer, rubber or acrylic paint or other impervious material, remove such materials so that the Bone Dry Primer can reach the surface where it will be allowed to penetrate into the substrate. Accidental over application will not discolor the surface.

Method of Application:

  1. Dampen surface to be treated (do not saturate) using a fine mist water spray.
  2. Saturate the surface thoroughly with Bone Dry Primerat an approximate rate of 100 – 150 square feet per gallon, depending upon porosity of the substrate. Low pressure spray equipment, such as a hand pumped garden type sprayer works well for medium sized areas. For large areas, airless spray equipment is very efficient. Small areas can be effectively treated using a spray bottle.
    Brushes or rollers are not recommended because of the low viscosity of the Bone Dry Primer.
    Do not allow the Bone Dry Primer to pond or puddle on horizontal surfaces, as a white residue will likely form on the surface. Move the excess material from the low spots on the floor to the high spots with a squeegee, mop or broom. Any remaining material should be picked up with a wet vac or mop. 

    The time for additional applications can be judged by observing the time it takes for the Bone Dry Primer to soak into the substrate. If the Primer soaks in quickly, generally less than fifteen minutes after application, additional material should be applied. 

  3. Bone Dry Primer will not penetrate latex, polyvinyl or acrylic based paints.
    Unpainted surfaces: Generally, no surface preparation is necessary.
  4. For surfaces such as basement and outside walls,follow standard procedures as described above.
  5. Oil, grease or acid conditions: Preliminary cleaning ofthe surface is necessary before Bone dry primer isapplied. Heavy deposits may require scraping, followed by thorough cleaning with a commercial degreaser. After the surface has been cleaned, apply Bone Dry Primer until the substrate has been thoroughly soaked with the material.
  6. Allow the substrate to dry to a damp condition beforeapplying Bone Dry PCS.


Bone Dry Primer should not be applied to glazed floor or wall tile, or glazed or hard fired brick where the glaze will prevent the penetration of the material. However, Bone Dry Primer may be applied over these materials if the intent is to seal the grout joints. In such cases, after the PRIMER has sufficiently soaked into the grout, remove all excess material from the surface with a wet vac, squeegee or mop. Wipe the surface with a damp cloth or sponge to remove any remaining film. This will greatly minimize the possibility of a white deposit or film from forming on the tile or brick.

Bone Dry Primer should not be applied to masonry structures having a mortar or grout containing a latex binder.

Bone Dry Primer should not be applied or stored at freezing temperatures. 45 degree minimum surface temperature.

If freezing occurs during storage, agitate the thawed material thoroughly to assure uniform solution.

During outside applications, care should be taken to protect vegetation and adjacent areas from direct spray or overspray.


The information and data contained herein are believed tobe accurate and reliable; however, it is the user’s responsibility to determine suitability of use. Since Bone Dry Products, Inc. cannot know all of the uses to which its products may be put, or the conditions of use, it makes no warranty concerning the fitness or suitability of its products for any particular purpose.

The user should thoroughly test any proposed use of our products and independently conclude satisfactory performance for the given application. Likewise, if the manner in which our products are used requires agency or government approval, user must obtain it.

Bone Dry Products, Inc. warrants only that its products will meet its current specifications. There is no warrant of merchantability of fitness for use, nor any other expressed or implied warranties. The user’s exclusive remedy and the sole liability of Bone Dry Products, Inc. is limited to refund of the purchase price or replacement of any product shown to be otherwise than as warranted. Bone Dry Products, Inc. will not be liable for consequential or incidental damages of any kind.

Suggestions of previous users should not be taken as inducements to infringe on any patents.