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Material Comparison

Choose the right door for your home.

Look at it. Touch it. Knock on it. A Therma-Tru fiberglass door looks and feels just like real wood. But it won’t warp or rot like a wood door – or dent or rust like a steel door.

With very little maintenance, a Therma-Tru fiberglass door can bring your home years of durability, curb appeal and energy efficiency. Find out why it’s the right choice for your home.

Compare for yourself.

Fiberglass Doors Fiberglass Doors Steel Doors Steel Doors Wood Doors Wood Doors
Energy Efficiency ••• •••
Weather Resistance ••• ••
Stained or Painted ••• •••
Low Maintenance ••• ••
Durability ••• ••

Get the details.

Fiberglass Doors

  • Energy efficient – offer up to four times the insulating R-Value of wood.*
  • Require minimal maintenance – won’t warp or rot like wood, or dent or rust like steel.
  • Offer beautiful wood-grain or smooth finish looks – can be stained or painted.
  • Feel warm and inviting to the touch – like a real wood door.

Fiberglass & Wood Comparison Brochure

  • Offer the best advantages of wood and steel – without the limitations.

Steel Doors

  • Energy efficient – offer good insulating value.
  • Less maintenance, depending on the environment – won’t warp or rot like wood.
  • Can be less expensive.
  • Easily dented and scratched – which can lead to rust.
  • Can only be painted, not stained – and paint chipping can be common.
  • Conduct temperature – can feel cold or hot to the touch.

Wood Doors

  • Offer beautiful wood grains for a high-end look – can be stained or painted.
  • Feel warm and inviting to the touch.
  • Scratches can be easily repaired.
  • Require regular maintenance. Finish will fade – refinishing recommended every 1–2 years.
  • Absorb moisture – which can cause finish to peel or bubble, and doors to warp or rot.
  • Least energy-efficient option compared to our fiberglass and steel doors.
  • Can be more expensive.

Don’t take our word for it.

Read what these home improvement pros have to say about the benefits of fiberglass doors over wood and steel.

*Comparison of fiberglass to wood doors (both without glass).

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