Actually there are a lot of lenders working with Canadians these days and some that have programs that can assist with renovations.
I'm not sure what your final goal is... but if you plan on using the home as a Primary Residence, a Second Home or Investment Property I would recommend that you work with an accountant to properly guide you through any possible tax treaties that might be available as well as to see if you need a TIN (Tax Identification Number).
Also, one very important thing that you should be aware of is what the IRS calls FIRPTA (Foreign Investment in Real Property Tax Act), nothing to be afraid of but at least be aware of it in case should you decide to sell in the near future and an accountant that specializes in international real estate can help you with this as well... here's the link to give you a more in-depth idea:
It's important to know all the facts before you buy. If there is anything else I can help you with please feel free to contact me and I'll be more than happy to help you anyway I can.
Coldwell Banker Residential