One of the easiest approaches to new ideas for inventions is to check at what already exists and find a means to make it better. You can begin with things in your own personal home. Like with anything else, that old adage "you get everything you pay for" holds especially true with regard to roof repairs. That's never to claim that a small business who may be installing roofs for 3 years will be less able to meet your requirements when compared to a company who has held gutter cleaning surrey it's place in business for 20 years.
It's always tempting to overlay old roofing materials with new because of this initial savings in labor it could otherwise cost to accomplish an entire tear-off. If the salesman is great you'll not really ask for any reference. If you never recognize anything untoward at first, have someone climb in your roof and visually examine it. Britvic required to repair both roofs, as they were suffering from deterioration, including holes causing water ingress to roofing joints.
When you meet a roofer you might be taking his word that water sandblasting his company and workers are able to accomplish the installation, repair or replacement you need. Then work your way down the list, thinking of some way to improve or re-invent each item. However, good salesman may be great or they might be hiding dissatisfied customers or poor workmanship. Use a contract and protect your assets.
Contracts help not only you but additionally the company owner. Have them walk around a bit to see if there are areas that feel spongy sandblasting concrete or who have significant share with them. Then work your path along the list, thinking of some method to improve or re-invent each item. If your old shingles are full of warps, cracks or curls, you'd probably be much better off to simply start from scratch using a complete tear-off.
Contract. It also isn't too hard to train yourself to look at problems as opportunities. It also isn't too difficult to train yourself to appear at problems as opportunities. Ultimately, should you intend to keep onto a property, you will always save money over the long term in the big event you can afford to consider this approach from the beginning.