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  • John's Waterproofing Co
    John's Waterproofing Co
    503.233.0825
    201 Airport Rd, 97381-9602  Silverton

    There are three things that destroy materials in general, and wood in particular: water, heat, and ultra-violet radiation. Of these, water is by far the most important. A dirt, vented or unconditioned concrete crawl space under a home is a very bad idea. The earth has very high humidity in the soil…