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Tips & Techniques: Types of Caulking November 22, 2008


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Types of Caulking

MSU Extension
Types of Caulking

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Silicone

Butyl

Acrylic Latex Silicone

Acrylic

Latex

Oil Base Asphalt

Caulking Cord

Oakum

Glazing Compound


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Silicone
  • lasts 12-30 years
  • best adhesion>/li>
  • use in seams, cracks, gaps up to 1/4"
  • good for all surfaces
  • may not take paint
Butyl
  • lasts 8-10 years
  • some shrinkage
  • use in seams, cracks, gaps up to 1/4"
  • available in many colors
Acrylic Latex Silicone
  • lasts 12-20 years
  • easiest application
  • use in seams, cracks, gaps up to 1/4"
  • may not take paint
Acrylic
  • lasts 8-10 years
  • water clean-up
  • use in seams, cracks, gaps up to 1/4"
  • no odor
Latex
  • lasts 2-10 years
  • water clean-up
  • use in seams, cracks, gaps up to 1/4"
  • most are paintable
  • available in many colors
Oil Base Asphalt
  • lasts 1-4 years
  • soft and tar-like
  • use in seams and gaps on roof around chimneys, stacks and pipes to 1/4"
  • hardens rapidly
  • cracks
Caulking Cord
  • lasts 1-2 years
  • peel from roll then push in place
  • temporary filler around storms, air conditioner
  • comes in rolls, unused portion can be stored for years
Oakum
  • twisted hemp treated with tar
  • cut to needed length then push in place
  • stuff large gaps then caulk over the oakum
Glazing Compound
  • lasts indefinitely
  • application requires some practice with a putty knife
  • use as a seal between window glass and frame
  • often overlooked as an area needing repair

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