Rim joists
Rim joist insulation.
A cold floor or a draft at the bottom of your basement walls often comes from the rim joist. We seal and insulate it in a single application, usually in half a day.
The problem
One of the main sources of cold in a house.
The rim joist is where the floor meets the foundation. It is one of the main sources of air leakage and cold in a house.
When it is poorly sealed, cold air comes straight in at the bottom of the basement walls.
What spray foam changes
Seal and insulate in a single application.
Closed-cell spray foam seals and insulates in a single application. Applied as a foam, it expands to fill every corner of the rim joist and stop air leakage at the source.
The thickness applied is specified in your written quote. Spray foam provides up to R-6 per inch.
How it works
How the project unfolds.
Typical duration
The work is done from the basement, usually in half a day.
Preparation
You clear about one metre around the basement perimeter. Thermik sends you a preparation sheet before the work.
Re-entry
Occupants and pets leave the premises during the application and for a re-entry period that is generally 24 hours, according to the instructions of the manufacturer of the product used.
All year round
Interior work is done all year round, winter included.
What's included
The Zero Risk Guarantee
Every Thermik project is covered by the Zero Risk Guarantee, at no extra cost.
Written, detailed, fixed quote
The written price is the price you pay. No extras, no surprises. Your quote is guaranteed for 30 days.
Thermal proof before and after
Every project is documented with a thermal camera before and after the work. You receive the full report by email within 24 hours of the work being completed.
Comfort guarantee
If the installed insulation does not deliver the result agreed in writing, we come back and fix it at our expense.
One point of contact, from start to finish
Noah follows every project personally, from the first message to the final thermal report. You get a name and a direct number, not a call centre.
Frequently asked questions
Your questions about this project.
Do you need to visit to quote a rim joist?
Not always. A few photos and measurements are often enough for a written quote without a visit.
How long does the work take?
The work is done from the basement, usually in half a day.
Can it be done in winter?
Yes. The work is done from the inside, all year round, winter included.
Ready to fix the problem?
Free, written, fixed quote. We get back to you in under 24 business hours.