24 pocket-sized reference cards. One topic each. Printable and laminatable.
The quick-reference stuff you always forget when you need it. Free to use and print.
Every card is designed to print cleanly on one A4 page. Hit the print button on any card, laminate it, and stick it where you need it, van glovebox, cabin wall, toolbox lid, first aid kit.
Safety & Emergency
The cards you hope you never need.
Site Emergency and OSHA Reporting
The numbers to call and the deadlines that start running the moment something goes badly wrong on site. Print it, laminate it, put it in the truck.
Fall Protection: The 6-Foot Rule Is Not One Rule
Six feet is the general construction trigger, and it is wrong for scaffolds, wrong for steel erection, and wrong twice over for holes and dangerous equipment, where there is no minimum height at all.
Trenches and Excavations: The Depths That Change the Rules
Four feet, five feet and twenty feet each switch on a different duty, and the one most people get wrong is that the ladder comes before the trench box.
Ladders: The Numbers OSHA Actually Checks
Three feet above the landing, a quarter of the working length out at the base, and a top step that is not a step. The dimensions are easy; the rules people get cited for are the last three on this card.
Fire Extinguishers: Class, Placement, Paperwork
Which extinguisher fights which fire, what OSHA actually requires on a jobsite, and the records an inspector asks for.
First Aid: Do You Need a Trained Person On Site?
The answer turns on how far you are from real medical care, and OSHA has a number in mind that is not in the rule text.
Scaffolds: Who Signs It Off, and When
The competent-person rule, the inspection triggers, and the fall-protection height that is not the one you think.
Buried Services: 811, and the First Ten Minutes
The call before you dig, the color code, the hand-dig zone, and exactly what to do in the minutes after you hit something.
Compliance & Inspections
Checklists that keep you inspection-ready.
OSHA Citation: The 15-Day Clock
What a citation actually costs, the deadline that starts the day it lands, and the three things you can do about it before the window shuts.
HazCom: The Nine Pictograms and Your Duties
What each symbol means, what a compliant label and safety data sheet must carry, and how long the paperwork has to survive.
Technical & Materials
Sizes, ratios, colors and values you look up every week.
Lumber: What a 2x4 Actually Measures
A US nominal size is a class, not a dimension. Every dressed size here, plus the dry-versus-green rule that decides which one turns up on the truck.
Drywall: Which Type the Code Actually Requires
The difference between a board that is suitable for a location and one the code requires there, with the garage separation rules people most often get wrong.
Wire Colors: What the NEC Requires vs What Is Just Habit
Neutral and ground colors are code. Hot colors are not, and most people think they are. Here is the line between them.
Insulation: R-Values, and the Table Number That Moved
Prescriptive minimums by climate zone, plus the edition trap that sends people to the wrong table entirely.
Drain Slope: The Minimum Fall by Pipe Size
How much fall a horizontal drain needs so it self-cleans, and an honest answer on the maximum that everyone argues about.
Brick and Block: Sizes, and Why One Tolerance Figure Cannot Exist
Every specified dimension and how it courses out, the nominal-equals-specified-plus-joint rule, and the reason nobody can honestly quote you a single tolerance number for brick.
Concrete: The Strength the Code Requires, and the State That Doubles It
US concrete is specified by compressive strength and exposure, not by a UK-style mix ratio. Here is the free code's minimum table, the air-entrainment footnotes people skip, and the state amendment that catches everyone out.
Money, Tax & Legal
Rates, deadlines and escalation steps.
Getting Paid: The Escalation Ladder
What to send and in what order when an invoice goes unpaid, which lien waiver is safe to sign, and the paperwork that stops problems before they start.
Lien Waivers: What Your State's Form Actually Does
Eight states, and they do not agree. In three a non-standard waiver is worth nothing. In one it binds you exactly as written. In one, demanding it before paying you is prohibited. In one there is no unconditional waiver at all. Know which you are standing in before you sign.
Lien Deadlines: The Date on the Calendar Is Not the Date to Act
The state with the longest filing window has the shortest enforcement window. Owners can shorten your deadline with a document you never see. And in a dozen states somebody else can start a 30-day clock on you. Read this before you trust a number.
License Thresholds: Three Questions, Not One
Am I over the threshold? That is three separate questions, and no two states answer them the same way. The boundary word, what the figure measures, and whether the number you found is even about a license.
How Long Can You Be Sued? The Cutoff Fifteen States Do Not Give You
A statute of repose is the year the door shuts regardless of when a defect turns up. In fifteen jurisdictions it does not shut on a contract claim at all, and in the rest the start date matters more than the number of years.
Minimum Wage: $7.25 Is Three Different Rules
Twenty states sit at the federal $7.25, and they get there three different ways. Two set a lower floor of their own, and one permits $4.00 an hour outside federal coverage.
Insurance & Vehicles
What to check, what to ask, what's probably not covered.
Print the lot
Every card prints cleanly on one A4 page.
Stick them where they matter
Cabin wall. Van glovebox. Toolbox lid. First aid kit.
Missing a card?
Email hello@kilnguides.co.uk.