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While it’s technically possible to repoint a chimney without scaffolding, it’s not recommended, especially for taller chimneys. Scaffolding provides a stable platform that allows for safer and more precise work. Without it, you might find yourself in a risky situation, and the quality of the repointing could suffer.

Just like when you’re shingling a roof, you can install felt underlayment under a metal roof, but a synthetic underlayment like adhered ice and water shield is the best option. These use adhesives rather than mechanical fasteners, so you have fewer penetrations going through your roof deck and a lower risk of leaks. Ice and water shield is also easier to install because you don’t need additional tools or fasteners to attach it to the roof deck.

Yes, clay and concrete tile roofs will keep your home cooler in the summer for two reasons. First, the material has low heat conductivity, so heat transfer from the sunlight and the outside air to your home will be very slow. Additionally, tile roofs have air gaps between the tiles and the roof decking, which helps further insulate your structure from heat gain. Light-colored tile is especially energy-efficient and will minimize how much outside heat transfers into your home.

While you technically can add a roof over shakes or shingles, it’s not a good idea. Roofing over existing roofing creates a moisture barrier underneath the new roof and since the trapped material is wood, you can expect a moisture problem. While you could get away with installing a new roof over asphalt or steel, wooden roofs should be removed, new underlayment installed, and the new roof installed over that. Also, the extra weight would add strain to your roof structure.