[dsm_breadcrumbs show_home_icon=”off” items_bg_color=”RGBA(255,255,255,0)” admin_label=”Supreme Breadcrumbs” _builder_version=”4.23.1″ _module_preset=”default” items_text_color=”gcid-cd1279dd-8cbf-4f0f-bdb9-fb095ab96652″ custom_margin=”0px||0px||true|false” custom_padding=”0px||0px||true|false” locked=”off” global_colors_info=”{%22gcid-cd1279dd-8cbf-4f0f-bdb9-fb095ab96652%22:%91%22items_text_color%22%93}”][/dsm_breadcrumbs]

Ensure the wood is adequately coated with the preservative

How to Check the Moisture Content of Wood Without a Meter?

Confirming that wood is effectively coated with preservative is imperative to maintain its integrity and durability. One crucial aspect of this process is determining the moisture content of the wood. Without a moisture meter, this can be achieved through several reliable methods:

Visual Inspection

  • Color Changes: As wood absorbs moisture, darker streaks or patches may appear.
  • Warping or Cupping: Excessive moisture can cause wood to warp or cup.
  • Mold or Mildew: Moisture provides an ideal environment for mold and mildew growth.

Weighing the Wood

  • Obtain the dry weight of the wood before treatment.
  • Weigh the wood again after treatment.
  • Calculate the weight gain as a percentage of the dry weight. This should align with the preservative manufacturer’s recommended moisture content range.

Electrical Resistance

  • Use an electrical resistance meter with two probes.
  • Insert the probes into the wood at varying depths.
  • Higher resistance readings indicate lower moisture content.

Hydrometer Test

  • Extract a small core sample from the wood.
  • Weigh the sample.
  • Submerge the sample in water and weigh it again.
  • The moisture content can be calculated using a formula based on the weight difference and sample volume.

Other Methods

  • Microwave Oven Test: Wood containing excess moisture may spark or smoke in a microwave oven.
  • Ping Test: Tap the wood with a screwdriver or hammer. A hollow or “pinging” sound may indicate high moisture content.

By utilizing these methods, you can effectively assess the moisture content of wood and ensure adequate coating with the preservative, thus extending its lifespan and protecting it from decay.