Q: Can acoustical ceilings be repainted? How?

A: Most Armstrong ceilings and walls can be repainted by spraying, for touch-up refer to Touch-up Paint.

Please Note: Vinyl or Mylar laminated products should not be painted.

Painting Precautions
Armstrong cannot guarantee that the published surface burning characteristics, fire resistance ratings, acoustical performance, dimensional stability/sag, or light reflectance will remain the same after repainting. Field painting will void the warranty.

Armstrong recognizes that ceilings are occasionally repainted and will make recommendations for the type of paint that may be used. Armstrong cannot be responsible for the finished appearance or performance for the field-painted acoustical material.

Spray Painting Method
When painting acoustical materials, the painter should be very careful that he does not close up the acoustical surfaces; perforations, fissures or the DuraBrite acoustical membrane on the Ultima and Optima products. It is through these openings in the surface that sound waves enter the body of the acoustical material and are absorbed. Care should be taken that these perforations are not clogged. At minimum repainting will result in a .05 to .10 reduction in NRC.

First remove loose dust from the material with a brush or vacuum cleaner attachment. Thin the paint only as much as necessary. If it is too thick for proper spraying, follow the paint manufacturerýs recommendations for thinning paint. When spray painting, apply the paint with a stream directed perpendicularly to the surface of the material, moving the gun back and forth to get a uniform coating. Under normal conditions, one coat should be sufficient.

Spray painting will result in a more uniform coating on embossed or irregular surfaces. For best results, panels should be removed from the grid suspension system, laid flat for painting, and allowed to dry thoroughly while still flat before reinstallation. This method eliminates the costly operations of masking walls and covering furniture. It also provides for easier cleaning and/or repainting of the grid while the panels are out being repainted.

Type of Paint
A good grade of paint from a reputable manufacturer should be used. An example of a recommended paint type for Armstrong ceiling panels and wall panels is:

ICI - Dulux Ultra Velvet Sheen
Pure Brilliant White
Stock Number - 1201-0120 - For all container sizes
Quart size is smallest.

ICI (Imperial Chemical Industries) paint can be purchased at ICI company owned professional paint stores (formerly known as Glidden, Decratrend, Fuller OýBrien, Sinclair, Ameritone & Devoe)

For the name of the nearest company owned paint store in your area call the ICI Hotline phone number at 800 984-5444.

With the computerized color matching systems now available, it is recommended that a sample of the ceiling panel to be color matched be taken to the paint store.

Touch Up Paint - #5760 White Latex Paint
Armstrong #5760 Touch Up Paint is intended to hide minor scratches and nicks in the surface and to cover field tegularized edges. See the following color match matrix for surface touch up:

Color complements Fair color match Not a good color match
Cirrus Armatuff Graphis
Cortega Crossgate Highspire
Designer Dune Natural Fissured
Fine Fissured Georgian Sanserra
Fissured Optima Stratus
  Painted Nubby Tincraft
  Ultima Tundra
  Fine Fissured (Ceramaguard)  

Treating Cut Tegular Edges
Apply Armstrong #5760 Touch Up Paint to cut tegular edges of mineral fiber or fiberglass products if the edges are exposed to view.

Directions For Applying #5760

  • Remove loose dirt
  • Stir paint before and occasionally during use
  • Apply to damaged areas; avoid filling in fissures and pin holes
  • Quickly wipe off excess paint
  • Drying time is approximately 15 minutes

An alternative method for treating fiberglass products with tegular cut edges would be to use a white, latex base, tub and tile caulk. Lay a 1/4" bead of caulk in the reveal joint. Then tool the caulk with a wet wood stick such as a tongue depressor. Allow caulk to set up prior to installation to protect against smearing. Drywall joint compound can also be used to fill the cut edges.

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