Walking on any roofing material is dangerous, so you should avoid it if you can, but if the need arises, you should know that you can walk on a concrete tile roof without damaging it. Try to step on the bottom portions of the tile that are supported by the lower layer, and distribute your weight evenly across both feet and hands, if possible.

Yes, installing a new metal or tin roof can increase your home's value. A metal roof's longevity and durability are major selling points for prospective buyers, as it means they likely won't have to worry about a roof replacement. These roofs can last 40 to 80 years, which is significantly longer than traditional asphalt roofs.

In terms of return on investment (ROI), homeowners may see an increase in home value of around $7,000 to $8,000, which can represent 60% to 70% of the installation cost. Another way to measure ROI is per square foot, which can range from $3.00 to $8.40, with higher returns in areas where a durable roof is particularly beneficial.

Sometimes. Professionals may be able to remove the old roof and re-attach it when completed, depending on your blueprints. That can help you save money. But this method is not without its risks. Larger roofs may crack during the transportation process. And if the roof is old or has problems, it may be better to replace it entirely. Keeping the old roof isn’t always possible if you are making significant alterations to the roofline.

In some cases, yes, you can put a second roof layer over architectural shingles, but it depends on your home’s structural stability and the local building codes where you live. Architectural shingles are thicker and heavier than standard asphalt shingles, so you may need structural reinforcement or a structural engineer’s inspection before proceeding. Additionally, some building departments don’t allow for two roof layers, regardless of the roof type. You should ask a professional if ripping the old roof off before installing the new one is the best option for you.