At Alta Aluminum Inc.in Lethbridge, we are a team of building contractors specializing in renovation & home improvement. We distribute Humphrey "Tension Sealed" aluminum windows and doors, construct and install sunroom enclosures, build and renovate decks and patios. We offer free estimates, so call us if you're considering adding a sunroom to your house, upgrading doors and windows or other repairs. Please visit our website for our complete offer.