How can you waterproof brick foundations without trapping moisture or damaging historic mortar?
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To keep your brick walls in good shape, here’s what you can do:
Outside, dig around the area and add footing drains. Use a waterproof coating that lets the brick breathe. Skip hard cement or non-breathable stuff that traps water. Fix the mortar with a lime mix so it moves with the wall. Then, refill with gravel that drains well, plus a fabric layer to keep out small particles.
Inside, think about adding something to stop water and a dehumidifier instead of completely sealing the brick.
Waterproofing brick foundations without trapping moisture or damaging historic mortar requires careful consideration and the right techniques.
-Apply a waterproofing agent: Use a paint roller or garden sprayer to apply the waterproofing agent, ensuring even coverage and penetration.
-Follow manufacturer instructions: Adhere to the manufacturer’s guidelines for application, drying time, and recommended coats.
-Test and inspect: Perform a thorough inspection after application to ensure the waterproofing material is evenly applied and functioning as expected.
Use a vapor‑permeable, breathable masonry coating or sealerd that repels liquid water but allows trapped moisture to escape.
Also Avoid impermeable membranes or coatings that block evaporation, and repair historic mortar with compatible lime‑based repointing to prevent sealing in water.
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