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Hardboard and trim

Siding Repair and Trim in Pearland

Hardboard, a pressed-wood lap siding, went on the gables and upper floors of a great many Pearland houses through the 1990s. Once water gets into its bottom edge, it swells, softens and flakes. This page is for those houses.

How to Recognize It

  1. Lap siding with an embossed wood-grain texture that is lighter than it looks and dents under a thumbnail when soft.
  2. Swelling and flaking along the bottom edges of the planks, worst on the lowest course and under windows.
  3. Paint that keeps failing in the same places, because water is getting in behind it.
Swollen, flaking hardboard lap siding at the lower edge of a wall above a flower bed, paint peeling

Patch, Section or Whole Wall

ConditionUsual approach
A few soft planks, the rest soundReplace those planks; hardboard-profile replacements or fiber cement cut to match
One elevation bad, the others fineRe-side that wall, often in fiber cement, and repaint to blend
Soft planks on every sideFull replacement of the hardboard; check the sheathing and framing behind it

Trim Is Usually Part of It

Corner boards, window trim and frieze boards on houses of this age were often the same pressed-wood material, and they rot for the same reasons. Replacing siding and leaving a soft corner board beside it just moves the next repair a few inches.

On Green Tee Terrace, Country Place and Southdown houses from the 1970s and 1980s, expect some of the original siding to have been patched already, sometimes in a different product. That is fine if it was flashed and painted properly.

Soft Siding on the Gables?

Call with the build year. The contractor will say whether it is a patch or a wall.

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