Free for your class

Checks, lessons and handouts

Send students to these links, or print the PDFs for the classroom.

Embed the free check

Put the free 10-question check on your own page. Copy the code under an exam and paste it into the HTML of your page. Scores open in a new tab on Rafter Tie, and the code includes a link back to us. Paste both lines; if your site strips scripts, the frame keeps a fixed height.

• ICC inspector certification (start with Residential Building Inspector B1)

  Embed code<iframe src="https://raftertie.com/icc-inspector/diagnostic?embed=1&utm_source=embed&utm_medium=referral&utm_campaign=check_embed&utm_content=icc-inspector" id="ek-check-icc-inspector" title="Free ICC B1 practice check" width="100%" height="900" loading="lazy" style="border:0"></iframe><script>addEventListener("message",function(e){var f=document.getElementById("ek-check-icc-inspector"),d=e.data,h=d&&+d.height;if(f&&h>0&&e.source===f.contentWindow&&e.origin==="https://raftertie.com"&&d.type==="ek-embed-height")f.style.height=Math.min(4000,Math.max(300,h))+"px"})</script> <p><a href="https://raftertie.com/icc-inspector?utm_source=embed&utm_medium=referral&utm_campaign=check_embed&utm_content=icc-inspector">Free ICC B1 practice check by Rafter Tie</a></p>

• ICC B2 Commercial Building Inspector

  Embed code<iframe src="https://raftertie.com/icc-b2/diagnostic?embed=1&utm_source=embed&utm_medium=referral&utm_campaign=check_embed&utm_content=icc-b2" id="ek-check-icc-b2" title="Free ICC B2 practice check" width="100%" height="900" loading="lazy" style="border:0"></iframe><script>addEventListener("message",function(e){var f=document.getElementById("ek-check-icc-b2"),d=e.data,h=d&&+d.height;if(f&&h>0&&e.source===f.contentWindow&&e.origin==="https://raftertie.com"&&d.type==="ek-embed-height")f.style.height=Math.min(4000,Math.max(300,h))+"px"})</script> <p><a href="https://raftertie.com/icc-b2?utm_source=embed&utm_medium=referral&utm_campaign=check_embed&utm_content=icc-b2">Free ICC B2 practice check by Rafter Tie</a></p>

• ICC R3 Residential Plans Examiner

  Embed code<iframe src="https://raftertie.com/icc-r3/diagnostic?embed=1&utm_source=embed&utm_medium=referral&utm_campaign=check_embed&utm_content=icc-r3" id="ek-check-icc-r3" title="Free ICC R3 practice check" width="100%" height="900" loading="lazy" style="border:0"></iframe><script>addEventListener("message",function(e){var f=document.getElementById("ek-check-icc-r3"),d=e.data,h=d&&+d.height;if(f&&h>0&&e.source===f.contentWindow&&e.origin==="https://raftertie.com"&&d.type==="ek-embed-height")f.style.height=Math.min(4000,Math.max(300,h))+"px"})</script> <p><a href="https://raftertie.com/icc-r3?utm_source=embed&utm_medium=referral&utm_campaign=check_embed&utm_content=icc-r3">Free ICC R3 practice check by Rafter Tie</a></p>

Embed the question of the day

A new practice question appears in the frame each day on its own. Paste both lines; if your site strips scripts, the frame keeps a fixed height. Or add the RSS feed to a Teams or Slack channel or a reader: no email, nothing sent.

• ICC inspector certification (start with Residential Building Inspector B1)

  Embed code<iframe src="https://raftertie.com/icc-inspector/daily?embed=1&utm_source=embed&utm_medium=referral&utm_campaign=daily_embed&utm_content=daily-icc-inspector" id="ek-daily-icc-inspector" title="ICC B1 question of the day" width="100%" height="560" loading="lazy" style="border:0"></iframe><script>addEventListener("message",function(e){var f=document.getElementById("ek-daily-icc-inspector"),d=e.data,h=d&&+d.height;if(f&&h>0&&e.source===f.contentWindow&&e.origin==="https://raftertie.com"&&d.type==="ek-embed-height")f.style.height=Math.min(4000,Math.max(300,h))+"px"})</script> <p><a href="https://raftertie.com/icc-inspector/daily?utm_source=embed&utm_medium=referral&utm_campaign=daily_embed&utm_content=daily-icc-inspector">ICC B1 question of the day by Rafter Tie</a></p>RSS feed URL

• ICC B2 Commercial Building Inspector

  Embed code<iframe src="https://raftertie.com/icc-b2/daily?embed=1&utm_source=embed&utm_medium=referral&utm_campaign=daily_embed&utm_content=daily-icc-b2" id="ek-daily-icc-b2" title="ICC B2 question of the day" width="100%" height="560" loading="lazy" style="border:0"></iframe><script>addEventListener("message",function(e){var f=document.getElementById("ek-daily-icc-b2"),d=e.data,h=d&&+d.height;if(f&&h>0&&e.source===f.contentWindow&&e.origin==="https://raftertie.com"&&d.type==="ek-embed-height")f.style.height=Math.min(4000,Math.max(300,h))+"px"})</script> <p><a href="https://raftertie.com/icc-b2/daily?utm_source=embed&utm_medium=referral&utm_campaign=daily_embed&utm_content=daily-icc-b2">ICC B2 question of the day by Rafter Tie</a></p>RSS feed URL

• ICC R3 Residential Plans Examiner

  Embed code<iframe src="https://raftertie.com/icc-r3/daily?embed=1&utm_source=embed&utm_medium=referral&utm_campaign=daily_embed&utm_content=daily-icc-r3" id="ek-daily-icc-r3" title="ICC R3 question of the day" width="100%" height="560" loading="lazy" style="border:0"></iframe><script>addEventListener("message",function(e){var f=document.getElementById("ek-daily-icc-r3"),d=e.data,h=d&&+d.height;if(f&&h>0&&e.source===f.contentWindow&&e.origin==="https://raftertie.com"&&d.type==="ek-embed-height")f.style.height=Math.min(4000,Math.max(300,h))+"px"})</script> <p><a href="https://raftertie.com/icc-r3/daily?utm_source=embed&utm_medium=referral&utm_campaign=daily_embed&utm_content=daily-icc-r3">ICC R3 question of the day by Rafter Tie</a></p>RSS feed URL

Embed the flashcards

The free deck for your class page: students flip the cards in place, and a link under the cards opens the free 10-question check in a new tab. Paste both lines; if your site strips scripts, the frame keeps a fixed height.

• ICC inspector certification (start with Residential Building Inspector B1)

  Embed code<iframe src="https://raftertie.com/icc-inspector/flashcards?embed=1&utm_source=embed&utm_medium=referral&utm_campaign=flashcards_embed&utm_content=flashcards-embed" id="ek-flashcards-icc-inspector" title="Free ICC B1 flashcards" width="100%" height="640" loading="lazy" style="border:0"></iframe><script>addEventListener("message",function(e){var f=document.getElementById("ek-flashcards-icc-inspector"),d=e.data,h=d&&+d.height;if(f&&h>0&&e.source===f.contentWindow&&e.origin==="https://raftertie.com"&&d.type==="ek-embed-height")f.style.height=Math.min(4000,Math.max(300,h))+"px"})</script> <p><a href="https://raftertie.com/icc-inspector/flashcards?utm_source=embed&utm_medium=referral&utm_campaign=flashcards_embed&utm_content=flashcards-embed">Free ICC B1 flashcards by Rafter Tie</a></p>

• ICC B2 Commercial Building Inspector

  Embed code<iframe src="https://raftertie.com/icc-b2/flashcards?embed=1&utm_source=embed&utm_medium=referral&utm_campaign=flashcards_embed&utm_content=flashcards-embed" id="ek-flashcards-icc-b2" title="Free ICC B2 flashcards" width="100%" height="640" loading="lazy" style="border:0"></iframe><script>addEventListener("message",function(e){var f=document.getElementById("ek-flashcards-icc-b2"),d=e.data,h=d&&+d.height;if(f&&h>0&&e.source===f.contentWindow&&e.origin==="https://raftertie.com"&&d.type==="ek-embed-height")f.style.height=Math.min(4000,Math.max(300,h))+"px"})</script> <p><a href="https://raftertie.com/icc-b2/flashcards?utm_source=embed&utm_medium=referral&utm_campaign=flashcards_embed&utm_content=flashcards-embed">Free ICC B2 flashcards by Rafter Tie</a></p>

• ICC R3 Residential Plans Examiner

  Embed code<iframe src="https://raftertie.com/icc-r3/flashcards?embed=1&utm_source=embed&utm_medium=referral&utm_campaign=flashcards_embed&utm_content=flashcards-embed" id="ek-flashcards-icc-r3" title="Free ICC R3 flashcards" width="100%" height="640" loading="lazy" style="border:0"></iframe><script>addEventListener("message",function(e){var f=document.getElementById("ek-flashcards-icc-r3"),d=e.data,h=d&&+d.height;if(f&&h>0&&e.source===f.contentWindow&&e.origin==="https://raftertie.com"&&d.type==="ek-embed-height")f.style.height=Math.min(4000,Math.max(300,h))+"px"})</script> <p><a href="https://raftertie.com/icc-r3/flashcards?utm_source=embed&utm_medium=referral&utm_campaign=flashcards_embed&utm_content=flashcards-embed">Free ICC R3 flashcards by Rafter Tie</a></p>

Tools to embed

Copy the code under a tool and paste it into the HTML of your page. The tool runs inside a frame on your page, and the code includes a link back to us. Or just link to the tool.

• Code navigation drill: find the section in your own IRC against the clock

  Open the tool

  Embed code<iframe src="https://raftertie.com/tools/code-navigation-drill?embed=1&utm_source=embed&utm_medium=referral&utm_campaign=tool_embed&utm_content=code-navigation-drill" id="ek-tool-code-navigation-drill" title="Code navigation drill: find the section in your own IRC against the clock" width="100%" height="1500" loading="lazy" style="border:0"></iframe><script>addEventListener("message",function(e){var f=document.getElementById("ek-tool-code-navigation-drill"),d=e.data,h=d&&+d.height;if(f&&h>0&&e.source===f.contentWindow&&e.origin==="https://raftertie.com"&&d.type==="ek-embed-height")f.style.height=Math.min(4000,Math.max(300,h))+"px"})</script> <p><a href="https://raftertie.com/tools/code-navigation-drill?utm_source=embed&utm_medium=referral&utm_campaign=tool_embed&utm_content=code-navigation-drill">Code navigation drill: find the section in your own IRC against the clock by Rafter Tie</a></p>

• ICC B1 lookup drill: find the 2024 IRC section on a clock

  Open the tool

  Embed code<iframe src="https://raftertie.com/tools/icc-b1-lookup-drill?embed=1&utm_source=embed&utm_medium=referral&utm_campaign=tool_embed&utm_content=icc-b1-lookup-drill" id="ek-tool-icc-b1-lookup-drill" title="ICC B1 lookup drill: find the 2024 IRC section on a clock" width="100%" height="1500" loading="lazy" style="border:0"></iframe><script>addEventListener("message",function(e){var f=document.getElementById("ek-tool-icc-b1-lookup-drill"),d=e.data,h=d&&+d.height;if(f&&h>0&&e.source===f.contentWindow&&e.origin==="https://raftertie.com"&&d.type==="ek-embed-height")f.style.height=Math.min(4000,Math.max(300,h))+"px"})</script> <p><a href="https://raftertie.com/tools/icc-b1-lookup-drill?utm_source=embed&utm_medium=referral&utm_campaign=tool_embed&utm_content=icc-b1-lookup-drill">ICC B1 lookup drill: find the 2024 IRC section on a clock by Rafter Tie</a></p>

• IRC stair riser and tread check: 2021 vs 2024 limits

  Open the tool

  Embed code<iframe src="https://raftertie.com/tools/irc-stair-check?embed=1&utm_source=embed&utm_medium=referral&utm_campaign=tool_embed&utm_content=irc-stair-check" id="ek-tool-irc-stair-check" title="IRC stair riser and tread check: 2021 vs 2024 limits" width="100%" height="1500" loading="lazy" style="border:0"></iframe><script>addEventListener("message",function(e){var f=document.getElementById("ek-tool-irc-stair-check"),d=e.data,h=d&&+d.height;if(f&&h>0&&e.source===f.contentWindow&&e.origin==="https://raftertie.com"&&d.type==="ek-embed-height")f.style.height=Math.min(4000,Math.max(300,h))+"px"})</script> <p><a href="https://raftertie.com/tools/irc-stair-check?utm_source=embed&utm_medium=referral&utm_campaign=tool_embed&utm_content=irc-stair-check">IRC stair riser and tread check: 2021 vs 2024 limits by Rafter Tie</a></p>

• IRC egress window requirements: 2021 vs 2024 check

  Open the tool

  Embed code<iframe src="https://raftertie.com/tools/egress-opening-check?embed=1&utm_source=embed&utm_medium=referral&utm_campaign=tool_embed&utm_content=egress-opening-check" id="ek-tool-egress-opening-check" title="IRC egress window requirements: 2021 vs 2024 check" width="100%" height="1500" loading="lazy" style="border:0"></iframe><script>addEventListener("message",function(e){var f=document.getElementById("ek-tool-egress-opening-check"),d=e.data,h=d&&+d.height;if(f&&h>0&&e.source===f.contentWindow&&e.origin==="https://raftertie.com"&&d.type==="ek-embed-height")f.style.height=Math.min(4000,Math.max(300,h))+"px"})</script> <p><a href="https://raftertie.com/tools/egress-opening-check?utm_source=embed&utm_medium=referral&utm_campaign=tool_embed&utm_content=egress-opening-check">IRC egress window requirements: 2021 vs 2024 check by Rafter Tie</a></p>

• Rafter length calculator: run, pitch and overhang

  Open the tool

  Embed code<iframe src="https://raftertie.com/tools/rafter-length-calculator?embed=1&utm_source=embed&utm_medium=referral&utm_campaign=tool_embed&utm_content=rafter-length-calculator" id="ek-tool-rafter-length-calculator" title="Rafter length calculator: run, pitch and overhang" width="100%" height="1500" loading="lazy" style="border:0"></iframe><script>addEventListener("message",function(e){var f=document.getElementById("ek-tool-rafter-length-calculator"),d=e.data,h=d&&+d.height;if(f&&h>0&&e.source===f.contentWindow&&e.origin==="https://raftertie.com"&&d.type==="ek-embed-height")f.style.height=Math.min(4000,Math.max(300,h))+"px"})</script> <p><a href="https://raftertie.com/tools/rafter-length-calculator?utm_source=embed&utm_medium=referral&utm_campaign=tool_embed&utm_content=rafter-length-calculator">Rafter length calculator: run, pitch and overhang by Rafter Tie</a></p>

• ICC B1 study plan builder: your exam date

  Open the tool

  Embed code<iframe src="https://raftertie.com/tools/b1-study-plan-builder?embed=1&utm_source=embed&utm_medium=referral&utm_campaign=tool_embed&utm_content=b1-study-plan-builder" id="ek-tool-b1-study-plan-builder" title="ICC B1 study plan builder: your exam date" width="100%" height="1500" loading="lazy" style="border:0"></iframe><script>addEventListener("message",function(e){var f=document.getElementById("ek-tool-b1-study-plan-builder"),d=e.data,h=d&&+d.height;if(f&&h>0&&e.source===f.contentWindow&&e.origin==="https://raftertie.com"&&d.type==="ek-embed-height")f.style.height=Math.min(4000,Math.max(300,h))+"px"})</script> <p><a href="https://raftertie.com/tools/b1-study-plan-builder?utm_source=embed&utm_medium=referral&utm_campaign=tool_embed&utm_content=b1-study-plan-builder">ICC B1 study plan builder: your exam date by Rafter Tie</a></p>

• Which ICC inspector exam? B1, B2 or R5

  Open the tool

  Embed code<iframe src="https://raftertie.com/tools/icc-exam-picker?embed=1&utm_source=embed&utm_medium=referral&utm_campaign=tool_embed&utm_content=icc-exam-picker" id="ek-tool-icc-exam-picker" title="Which ICC inspector exam? B1, B2 or R5" width="100%" height="1500" loading="lazy" style="border:0"></iframe><script>addEventListener("message",function(e){var f=document.getElementById("ek-tool-icc-exam-picker"),d=e.data,h=d&&+d.height;if(f&&h>0&&e.source===f.contentWindow&&e.origin==="https://raftertie.com"&&d.type==="ek-embed-height")f.style.height=Math.min(4000,Math.max(300,h))+"px"})</script> <p><a href="https://raftertie.com/tools/icc-exam-picker?utm_source=embed&utm_medium=referral&utm_campaign=tool_embed&utm_content=icc-exam-picker">Which ICC inspector exam? B1, B2 or R5 by Rafter Tie</a></p>

• ICC exam cost calculator: fees, retakes and total budget

  Open the tool

  Embed code<iframe src="https://raftertie.com/tools/icc-exam-cost-calculator?embed=1&utm_source=embed&utm_medium=referral&utm_campaign=tool_embed&utm_content=icc-exam-cost-calculator" id="ek-tool-icc-exam-cost-calculator" title="ICC exam cost calculator: fees, retakes and total budget" width="100%" height="1500" loading="lazy" style="border:0"></iframe><script>addEventListener("message",function(e){var f=document.getElementById("ek-tool-icc-exam-cost-calculator"),d=e.data,h=d&&+d.height;if(f&&h>0&&e.source===f.contentWindow&&e.origin==="https://raftertie.com"&&d.type==="ek-embed-height")f.style.height=Math.min(4000,Math.max(300,h))+"px"})</script> <p><a href="https://raftertie.com/tools/icc-exam-cost-calculator?utm_source=embed&utm_medium=referral&utm_campaign=tool_embed&utm_content=icc-exam-cost-calculator">ICC exam cost calculator: fees, retakes and total budget by Rafter Tie</a></p>

• IRC guard and handrail check: height, opening and trigger tests

  Open the tool

  Embed code<iframe src="https://raftertie.com/tools/guard-handrail-check?embed=1&utm_source=embed&utm_medium=referral&utm_campaign=tool_embed&utm_content=guard-handrail-check" id="ek-tool-guard-handrail-check" title="IRC guard and handrail check: height, opening and trigger tests" width="100%" height="1500" loading="lazy" style="border:0"></iframe><script>addEventListener("message",function(e){var f=document.getElementById("ek-tool-guard-handrail-check"),d=e.data,h=d&&+d.height;if(f&&h>0&&e.source===f.contentWindow&&e.origin==="https://raftertie.com"&&d.type==="ek-embed-height")f.style.height=Math.min(4000,Math.max(300,h))+"px"})</script> <p><a href="https://raftertie.com/tools/guard-handrail-check?utm_source=embed&utm_medium=referral&utm_campaign=tool_embed&utm_content=guard-handrail-check">IRC guard and handrail check: height, opening and trigger tests by Rafter Tie</a></p>