Home Additions in Cascade, Quebec

"I had multiple quotes for the attic, and Gary provided by far the most thorough assessment, including pointing out..."

"The designer was very responsible for all wishes and recommended the best technical proposals! A good company,..."

"I had a small leak in my house when it rained a lot. Altech responded fast and efficiently. In addition to sealing..."

"We can sincerely and without hesitation fully endorse Holland Homes & Renovations to anyone considering a home..."