Crawlspace Repairs

Sagging Crawlspaces

A surprising number of crawlspaces have an insufficient or poorly designed structural support system and require crawlspace repairs.

As these structural supports begin to fail, it can lead to a long list of problems in the home. Addressing the issue early on is the best and most cost-effective way to protect your home from damage.

When a crawlspace begins to sag and sink, the entire house that rests on it can begin to suffer. If the problem is allowed to develop, the symptoms will become varied and more severe.

Signs Of Issues:

  • Sinking, Sagging Floors
  • Odors Rising From The Crawlspace
  • Mice & Pest Infestations
  • Jamming, Sticking Doors
  • Cracks Forming In Interior Drywall Surfaces

If left long enough, the damage can potentially worsen until the floor caves in entirely.

Why Choose A Crawlspace Professional for Crawlspace Repairs?

A crawlspace expert specializes in this environment, and has seen what works (and what doesn’t) by having observed thousands of crawlspaces over the years.

Because of this, they will be able to provide you with a faster, more reliable, and warrantied repair for your below-grade space.

Drying Your Crawlspace

If your crawlspace is suffering from rot, mold, and moisture damage, the key to preventing new damage is to dry and seal the space with a vapor barrier.

At Dryworx, our technicians can waterproof, dry, and insulate your crawlspace, converting it into a healthier, longer-lasting space that can be used for storage.

Causes Of Crawlspace Issues

In most cases, crawlspaces experience structural issues for four primary reasons:

  • Too Few Crawlspace Supports: Many crawl spaces are built with supports that are spaced too far apart to properly support the weight of the home that’s bearing down upon them.
  • Sinking Crawlspace Supports: When the soils are not strong enough to bear the weight being transferred through the supports, then the soil will compress, and the supports will sink.
  • Rot, Mold, & Moisture Damage: If a crawlspace is wet or humid, it will support the growth of mold, mildew, and rot. As this mold damages the structural wood in your home, the structure can begin to sag.
  • Termites & Pests: Insects such as termites, carpenter ants, wood-destroying beetles, and others love the warm, dark, moist environment that’s common in crawlspaces. Approximately 1 in 30 homes are infested by termites annually.

In each of these cases, the damage can be repaired by sealing the crawlspace, addressing any moisture sources, and adding additional structural supports.

Repairing Your Crawlspace

As with most home improvements, some crawlspace repair methods are good, others are great, and some hardly seem to work at all. There’s a lot of crawlspaces out there, and contractors take many different approaches for repairing them.

What follows is a breakdown of the most common crawlspace repair options for repairing your crawlspace, ordered from least to most effective:

Lift The Foundation And Extend Supports

The floor is lifted upwards, and blocks of wood are used to fill in the gaps between the tops of the supports and the lifted floor.

Additional Shimming For Supports

If crawlspace supports have sunk down into the earth, some contractors will try to extend the height of the supports by adding additional shimming.

This process involves mechanically raising the floor, overlifting it to above its proper position. Pieces of wood or metal are then inserted into the gaps along the tops of the support column. Then, the structure is lowered on top of the “extended” columns.

Repair The Damaged Wood

All rot-damaged wood is ripped out and removed. The crawlspace structure is completely rebuilt using new wood.

Removing & Replacing Damaged Wood

Sometimes, a homeowner will opt to have a contractor rip out all the mold- and rot-damaged wood and replace it.

Of course, hiring a contractor to crawl into a wet, mold-filled crawlspace, rip all the wood out, and replace it in close quarters can get really expensive!

While rot-damaged wood will often need to be replaced or reinforced, this addresses only half of the issue. To ensure a more permanent solution, all sources of water and humidity will also need to be addressed.

Add Concrete Support Columns

The floor is lifted upwards, and supplementary concrete columns are installed in the crawlspace. Shimming is used to fill in the gaps between each column and the floor.

Add Light-Duty Supports

Lightweight, metal, portable support jacks are installed in the crawlspace on crawlspace blocks placed on the floor. Each is adjusted (without shimming) to the appropriate height.

Install Heavy-Duty Supports

Heavy-duty metal supports made from galvanized steel are installed in the crawlspace on a specially-designed base. Each is adjusted (without shimming) to the appropriate height.

Schedule an Inspection Today!

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