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Home systems · HS-20
Crawl Space Inspection Checklist
A free printable crawl space inspection checklist: water, vapour barrier, joists, vents, pests and services marked OK or Action, with moisture readings.
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One page. Choose your paper size — both versions are laid out identically, so neither one gets shrunk to fit.
Print it and write on it
Fill it in type and save
The fillable versions have real form fields — open them in any PDF reader, type into them and save. Printing help.
What this sheet is for
Find standing water, a torn vapour barrier or damp joists under the house early. Readings at the same named points show whether the space is getting wetter.
Who it is for
Owners and landlords of homes with a crawl space, and anyone checking under a house before buying it.
How to use it
- Note the access point, your light and kit, and tell someone before you go under.
- Tick OK or Action against each item as you go; leave both blank for anything you could not reach.
- Take moisture readings at the same named points as last time with the same meter, and copy the last visit's readings across.
- Write each Action, and any reading that has risen, at the foot with who will deal with it.
What is on the sheet
One page, top to bottom:
Printed under the title: A look under the house: OK or Action for each item, readings at the same points as last time, and every Action at the foot.
Write-on lines: Property · Date · Checked by · Weather lately · Access point · Light and kit · Who knows you are under · Moisture meter
Also printed: GROUND AND WATER · Action · No standing water or puddles · Soil dry, not wet or muddy · No silt or tide marks on walls or piers · VAPOUR BARRIER · Covers all the ground · No tears, holes or lifted seams · Edges held down at walls and piers · STRUCTURE · Joists and beams sound, no rot or sag · Sill plates and piers sound and upright · No new cracks in the foundation walls · AIR AND INSULATION · Vents open and clear, if it is vented · Insulation in place, not hanging down · PESTS · No droppings, nests or shed skins · No mud tubes, or chewed or bored timber · No gaps where animals can get in · SERVICES · Pipes and joints dry, no drips · Ducts joined up, not crushed or torn · Cables clipped up, clear of water and soil · Dryer and fan ducts run outside
Moisture readings — same points, same meter; its maker says what a reading means
Table, 2 rows: No. · Where · Today · Last · No. · Where · Today · Last
Actions — every item marked Action, and any reading that has risen
Table, 3 rows: Item or point · Action · By whom · By when · Done
Questions
Why are no moisture limits printed?
Because what a reading means depends on the meter, its scale and the material it is pushed into, and the meter's maker gives that. The sheet compares this visit with the last at the same points, which shows a change whatever the scale.
Should the crawl space vents be open or closed?
It depends on how the space was designed: some are vented, others are sealed. The sheet only asks whether vents are clear where the space is meant to be vented; ask a builder or surveyor if you are not sure which yours is.
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