Do Cordwood Walls Require Regular Maintenance Over Time?

Weather Tightness and Mortar Integrity

Cordwood masonry walls are susceptible to weathering, which can compromise their integrity. Regular inspections are necessary to identify areas where the mortar is deteriorating or gaps are forming between the logs. Apply a fresh coat of mortar to damaged areas and seal any gaps using a high-quality sealant, such as a silicone-based caulk. This maintenance should be performed at least once a year, and more frequently in areas with high rainfall or extreme temperatures.

Insulation and Pest Control

As cordwood walls age, the insulation may compress or become dislodged, compromising the energy efficiency of the building. Check the insulation for signs of wear or compression, and replace it as necessary. Additionally, cordwood walls can be vulnerable to pest infestations, such as rodents or insects. Regularly inspect the walls for signs of pest activity, and seal any gaps or holes with steel wool or caulk to prevent re-infestation.

Log End Preservation and Replacement

Over time, the log ends in a cordwood wall may become weathered or damaged, compromising the structural integrity of the wall. Regularly inspect the log ends for signs of decay or damage, and replace them as necessary. To extend the life of the log ends, apply a protective coating, such as a natural oil-based sealant, to the exposed ends of the logs. This maintenance should be performed at least every 5-10 years, depending on the climate and exposure of the building.